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Technical content
Features
– Connection of eight RTD temperature sensors and linear resistors in 4-wire technology – High precision and noise immunity – Temperature stability – High-resolution temperature and resistance measurement – Resistance values (R 0) can be preset separately using configuration bits – Channels are configured in dependently of one another using the bus system – Configuring the open circui t detection sensitivity (firm- ware 1.10 or later) – Additional representation in float format according to IEEE 754 – Diagnostic and status indicators – Channel scout functionality, e.g., for optical channel identification during startup – IB IL TEMP 4/8 RTD/EF-PAC, IB IL TEMP 4/8 RTD/EF: Hardware version 02 or later: IB IL TEMP 4/8 RTD/EF 2MBD-PAC Hardware version 01 or later: Approved for use in zone 2 potentially explosive areas (observe the notes on page 12) This data sheet only is valid in connection with the IL SYS INST UM E user manual (see “Documentation” on page 3). Make sure you always use the latest documentation. It can be downloaded at www.phoenixcontact.net/catalog This data sheet is valid for all products listed on page 3. Inline terminal with eight analog input channels for the connection of resistive temperature detectors (RTD)
IB IL TEMP 4/8 RTD/EF ... 7567_en_07 PHOENIX CONTACT 2 Table of contents
IB IL TEMP 4/8 RTD/EF ... 7567_en_07 PHOENIX CONTACT 3 2O r d e r i n g d a t a Products Description Type Order No. Pcs./Pkt. Inline terminal for resistive temperature detectors, without accessories, transmission speed: 500 kbps IB IL TEMP 4/8 RTD/EF 2897305 1 Inline terminal for resistive temperature detectors, complete with accessories (connectors and labeling fields) transmission speed: 500 kbps IB IL TEMP 4/8 RTD/EF-PAC 2897402 1 Inline terminal for resistive temperature detectors, complete with accessories (connectors and labeling fields) transmission speed: 2 Mbps IB IL TEMP 4/8 RTD/EF 2MBD-PAC 2897606 1 Four of the connectors listed below are needed for the fitting of the IB IL TEMP 4/8 RTD/EF terminal. Accessories: Connectors Description Type Order No. Pcs./Pkt. Inline connector, with color print IB IL SCN-8-GY-CP 2861179 10 Inline connector with shield connection IB IL SCN-6 SHIELD-TWIN 2740245 5 Accessories: Other Description Type Order No. Pcs./Pkt. Shield connection clamp for applying the shield on busbars, contact resistance < 1 mOhm 8 mm diameter SK8 3025163 10 14 mm diameter SK14 3025176 10 20 mm diameter SK20 3025189 10 35 mm diameter SK35 3026463 10 Support, Length: 77.35 mm, Width: 6.2 mm, Color: gray AB-SK 3025341 10 Support, Length: 95.5 mm, Width: 6.2 mm, Color: gray AB-SK 65 3026489 10 Support, Length: 10 mm, Width: 56 mm, Height: 20 mm, Color: silver AB-SK/E 3026476 10 Neutral busbar, Width: 10 mm, Height: 3 mm, Length: 1000 mm, Color: silver NLS-CU 3/10 0402174 10 Power terminal block, Connection method Screw connection, Load current : 41 A, Cross section: 0.5 mm² - 6 mm², Width: 7 mm, Color: silver AK 4 0404017 50 Power terminal block, Connection method?Screw connection, Load current : 41 A, Cross section: 0.5 mm² - 6 mm², Width: 7 mm, Color: green-yellow AK G GNYE 0421029 50 Power terminal block, Connection method?Screw connection, Load current : 41 A, Cross section: 0.5 mm² - 6 mm², Width: 7 mm, Color: black AKG 4 BK 0421032 50 Documentation Description Type Order No. Pcs./Pkt. "Automation terminals of the Inline product range" user manual IL SYS INST UM E – – "Inline terminals for use in zone 2 potentially explosive areas" application note AH EN IL EX ZONE 2 – –
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3 Technical data
Housing dimensions (width x height x depth) 48.8 mm x 120 mm x 72 mm Weight 126 g without connectors; 190 g with connectors Operating mode Process data mode with 5 words/1 PCP word Connection method for sensors 4-wire technology Permissible ambient temperature (operation) At 500 kbps -25°C to +60°C At 2 Mbps -25°C to +55°C Permissible ambient temperature (storage/transport) -25°C to +85°C Permissible humidity (operation/storage/transport) 10% to 95% according to DIN EN 61131-2 Permissible air pressure (operation/storage/transport) 70 kPa to 106 kPa (up to 3000 m above sea level) Degree of protection according to IEC 60529 IP20 Class of protection III, EN 61131-2, IEC 61131-2 Connection data for Inline connectors Connection method Spring-cage terminals Conductor cross-section 0.08 mm² to 1.5 mm² (solid or stranded), 28 - 16 AWG Interface Local bus Data routing Transmission speed IB IL TEMP 4/8 RTD/EF, IB IL TEMP 4/8 RTD/EF-PAC 500 kbps IB IL TEMP 4/8 RTD/EF 2MBD-PAC 2 Mbps Power consumption 500 kbps 2 Mbps Communications power UL 7.5 V 7.5 V Current consumption from UL, typical 95 mA 115 mA I/O supply voltage UANA 24 V DC 24 V DC Current consumption at UANA 6.0 mA 6.0 mA Total power consumption 0.85 W 1.01 W Supply of the module electronics and I/O through the bus coupler/power terminal Connection method Potential routing Analog inputs Number Eight inputs (4-wire RTD) for resistive temperature detectors Resolution of the analog/digital converter 24 bits Measured value representation 16 bits (IL standard 15 bits + sign bit) Standardized representation for Degrees Celsius (°C), degrees Fahrenheit (°F) and as linear resistance in Ohms (Ω) Resolution (quantization) Standardized representation of temperature measurement values In the °C range 0.1 K/LSB (default setting) 0.01K/LSB In the °F range 0.1°F/LSB 0.01°F/LSB In the linear Ohm range 0.01 Ω/LSB 0.1 Ω/LSB 1 Ω/LSB Connection of signals 4-wire, shiel ded sensor cable (e.g., LiYCY (TP)) Maximum permissible cable length 250 m (4-wire termination with LiYCY (TP) 2 x 2 x 0.5 mm²)
IB IL TEMP 4/8 RTD/EF ... 7567_en_07 PHOENIX CONTACT 5 Crosstalk attenuation (channel/channel) in the sensor type operating mode: Pt100 (resolution 0.01 K/LSB) 98.6 dB, typical RLIN500 (resolution 0.01Ω/LSB) 100 dB, typical RLIN5000 (resolution 0.1Ω/LSB) 88 dB, typical Sensor types that can be used Pt , Ni, Cu, KTY, linear resistors Characteristics standards According to DIN EN 60751: 07/1996 / According to SAMA RC 21-4-1966 Process data update Depending on the filter time Analog inputs (continued) Scan filter times Set filter time Typical scan time for each measuring channel Typical scan repeat time for all eight measuring channels 480 ms (default) 482 ms 3300 ms 200 ms 201 ms 2190 ms 120 ms 121 ms 1874 ms 100 ms 100 ms 1800 ms Differential non-linearity (typical) In all ranges 1 ppm or ±0.0001% Integral non-linearity (typical) In the input ranges Pt100 30 ppm or ±0.003% RLin 500 Ω 20 ppm or ±0.002% RLin 5000 Ω 200 ppm or ±0.02% Supported measuring ranges Sensor type Standard or manufacturer specification Measuring range Lower limit Upper limit Pt sensors (e.g., Pt100, Pt500, Pt1000) DIN IEC 60751 or SAMA RC 21-4-1966 -200°C +850°C Ni sensors (e.g., Ni100, Ni1000) DIN IEC 60751 or SAMA RC 21-4-1966 -60°C +180°C Ni500 (Viessmann) (Viessmann) -60°C +250°C Ni1000 (Landis & Gyr) (Landis & Gyr) -50°C +160°C KTY81-110 (Philips) -55°C +150°C KTY81-210 (Philips) -55°C +150°C KTY84 (Philips) -40°C +300°C Cu10 SAMA RC 21-4-1966 -70°C +500°C Cu50 SAMA RC 21-4-1966 -50°C +200°C Cu53 SAMA RC 21-4-1966 -50°C +180°C Linear resistor RLin 500 Ω (linear range 1) 0 Ω 525 Ω Linear resistor RLin 5000 Ω (linear range 2) 0 Ω 5250 Ω Linear resistor RLin 30000 Ω (linear range 3) 0 Ω 31500 Ω Tolerances (typical/maximum) at TA = +25°C Sensor type (4-wire termination) Measuring range (nominal range) Absolute tolerance Relative tolerance (of measuring range final value) Lower limit Upper limit Typical Maximum Typical Maximum
IB IL TEMP 4/8 RTD/EF ... 7567_en_07 PHOENIX CONTACT 6 Linear resistor RLin 500 Ω 0 Ω 500 Ω ± 0.12 Ω ± 2.05 Ω ± 0.02% ± 0.41% Linear resistor RLin 5000 Ω 0 Ω 5000 Ω ± 1.50 Ω ± 10.2 Ω ± 0.03% ± 0.20% Linear resistor RLin 30000 Ω 0 Ω 30000 Ω No information No information ± 3% No data, since this range is not calibrated 1) Specified separately, since the measuring range of ±200°C is used for many applications. 2) In the more limited measuring range, the relative tolerance is also related to the measuring range final value of +200°C. Tolerances (typical/maximum) at TA = +25°C (continued) Sensor type (4-wire termination) Measuring range (nominal range) Absolute tolerance Relative tolerance (of measuring range final value) Lower limit Upper limit Typical Maximum Typical Maximum The data contains the offset error, gain error, and linearity error in its respective setting (4-wire technology). See separate table for additional temperature values and possible tolerances under EMI. All errors indicated as a percentage are related to the positive measuring range final value. The data is related to nominal operation (preferred mounting position, US = 24 V, etc.) using 4-wire operation for RTD inputs. The maximum tolerance values represent the worst case measurement inaccuracy. They contain the maximum tolerances in the corresponding measuring ranges, which are theoretically possible. The maximum tolerances of calibration and test equipment, which are theoretically possible, have also been taken into consideration. This data is valid for at least 24 months. Temperature and drift response at TA = -25°C to +55°C (+60°C)3) Sensor type Measuring range Typical drift Maximum drift Based on TA = 25°C Pt100 sensor -200°C … +850°C 5 ppm/K 18 ppm/K Pt1000 sensor -200°C … +850°C 20 ppm/K 65 ppm/K Ni100 sensor -60°C … +180°C 5 ppm/K 20 ppm/K Ni1000 sensor -60°C … +180°C 20 ppm/K 65 ppm/K RLin1 range 0 Ω ... 500 Ω 8 ppm/K 20 ppm/K RLin 2 range 0 kΩ ... 5 kΩ 25 ppm/K 80 ppm/K Absolute tolerance values for the ambient temperature range TA = -25°C to +55°C (60°C)3) Sensor type Measuring range Typical tolerance Maximum tolerance Pt100 DIN and SAMA sensors -200°C … +200°C ±0.10°C ±0.37°C 3) Temperature indication is only valid for Inline terminals with 500 kbps.
IB IL TEMP 4/8 RTD/EF ... 7567_en_07 PHOENIX CONTACT 7 EMI behavior Type of electromagnetic interference Standard Level Additional tolerances of measuring range final value (MRFV) Criterion Electromagnetic fields EN 61000-4-3 IEC61000-4-3 10 V/m < 0.1% A Fast transients (burst) EN 61000-4-4 IEC61000-4-4 1,1 kV No additional tolerances A Conducted interference EN 61000-4-6 IEC 61000-4-6 150 kHz ... 80 MHz, 10 V, 80% AM (1 kHz) No additional tolerances A Conducted interference (with parameterized ODS = 3, see note) EN 61000-4-6 IEC 61000-4-6 150 kHz ...300 MHz, 30 V, 80 % AM (1 kHz) No additional tolerances A The values are valid for the default settings of the module (Pt100, resolution 0.1 K/LSB). Even under EMI indicated above is the accuracy class of 0.1 retained. Additional low tolerances may occur due to the influence of high-frequency electromagnetic interference caused by radio transmission systems in the near vicinity. The values specified refer to nominal operation in the event of direct interference to components without additional shielding such as a steel cabinet, etc. The above tolerances can be reduced by further shielding the I/O module (e.g., use of a shielded control box/control cabinet, etc.). Please refer to the recommended measures in the IL SYS INST UM E Inline system manual. Activation of the "open circuit detection sensitivity" (ODS) function is possible with firmware version 1.10 or later. When activating this func- tion, please observe the “Notes on diagnostic behavior in the event of an error” on page 33. Common mode rejection with different filter times Filter process data encoding Filter time Optimization for common mode interference with FInterfer Typical common mode rejection for measuring inputs of analog/digital converters (CMRR) 00 480 ms 50 Hz and 60 Hz 74 dB 01 120 ms 50 Hz 80 dB 10 101 ms 60 Hz 90 dB 11 200 ms 50 Hz and 60 Hz 69 dB Safety equipment Transient protection Measuring inputs Yes Sensor supply Yes Electrical isolation/isolation of the voltage areas To provide electrical isolation between the logic level and the I/O area, it is necessary to supply the station bus coupler and the sensors connected to the analog input terminal described here from separate power supply units. Interconnection of the power supply units in the 24 V area is no t permitted (see also IL SYS INST UM E user manual). Common potentials The 24 V main voltage, 24 V segment voltage, and GND have the same potential. FE is a separate potential area. Separate potentials in the system consisting of bus coupler/power terminal and I/O terminal Test distance Test voltage 5 V supply incoming remote bus/7.5 V supply (bus logic) 500 V AC, 50 Hz, 1 min 5 V supply outgoing remote bus/7.5 V supply (bus logic) 500 V AC, 50 Hz, 1 min
7.5 V supply (bus logic), 24 V supply UANA / I/O 500 V AC, 50 Hz, 1 min
7.5 V supply (bus logic), 24 V supply UANA / functional earth ground 500 V AC, 50 Hz, 1 min
I/O / functional earth ground 500 V AC, 50 Hz, 1 min
IB IL TEMP 4/8 RTD/EF ... 7567_en_07 PHOENIX CONTACT 8 Error messages to the higher-level control or computer system Failure of the internal, electrically isolated I/O voltage supply Yes, peripheral fault Failure of or insufficient communications power UL Yes, peripheral fault Error messages via process data Peripheral fault/user error Yes (see Section 16 “Formats for representing measured values” ) Approvals For the latest approvals, please visit www.phoenixcontact.net/catalog.
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4 Internal circuit diagram
Figure 1 Internal wiring of the terminal points Key: Local bus UL+ UANA UL- + 2 4V( U )M + 2 4V( U)S Input protection and signal filtering / open circuit detection / multiplexer Supervisor µC SRE 1OPC IB protocol chip 24 V DC IN +5 V UL +3,3 V +5 V +7,5 V IK1 IK3 IK5 IK7IK2 IK4 IK6 IK8 Voltage monitoring 7567B002 Protocol chip Register expansion Hardware monitoring Hardware monitoring Microcontroller Optocoupler Analog/digital converter OPC /G53 /G52 /G45 /G20 /G31 /G53 /G75 /G70 /G65 /G72 /G76 /G69 /G73 /G6F /G72 IB protocol chip /GB5 /G43 Amplifier Voltage monitoring DC/DC converter with electrical isolation Input protection and signal filter, open circuit detection, multiplexer Constant current source Other symbols used are explained in the IL SYS INST UM E user manual. Voltage monitoring /G78 /G78 /G78 /G58 /G58 /G58 Input protection and signal filtering open circuit detection multiplexer
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5 Local diagnostic and status
indicators and terminal point assignment Figure 2 Terminal with an appropriate connector
5.1 Local diagnostic and status indicators
5.2 Function identification
2 Mbps: white stripe in the vicinity of the D LED
5.3 Terminal point assignment with 4-wire
7 Installation instructions
High current flowing through potential jumpers UM and US leads to a temperature rise in the potential jumpers and inside the terminal. To keep the current flowing through the potential jumpers of the analog terminals as low as possible, always place the analog terminals after all the other terminals at the end of the main circuit (for the sequence of the Inline terminals: see also IL SYS INST UM E user manual). Des. Color Meaning D Green Diagnostics TR Green PCP LED 1 ... 8 Green ON Measuring channel in operation Red ON Open circuit, over-/underrange Orange Channel scout Flashing at 0.5 Hz Channel "n" is selected for startup purposes with the PCP object (see Section “Channel Scout object (0090hex)” on page 26). TR D TEMP 4/8 RTD EF 1 2 3 4 5 6 7 8 1.1 1.2 1.3 1.4 2.1 2.2 2.3 2.4 7567B003 D TR TEMP 4/8 RTD EF 1 2 3 4 5 6 7 8 Terminal points Signal Assignment
1.1 U 1+ RTD sensor 1
1.2 I 1+ Constant current supply1.3 I 1-
1.4 U 1- RTD sensor 1
2.1 U 2+ RTD sensor 2
2.2 I 2+ Constant current supply2.3 I 2-
2.4 U 2- RTD sensor 2
WARNING: Electric shock During configuration, ensure that no isolating voltage for safe isolation is specified between the analog inputs and the bus. During thermistor detection, for example, this means that the user has to provide signals with safe isolation, if applicable.
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8 Electrical isolation
Figure 3 Electrical isolation of the individual function areas
9 Connection notes
Always connect temperature detectors using shielded, twisted-pair cables. The connection examples show how to connect the shield (Figure 4). Insulate the shield at the sensor. Short-circuit unused channels (see Figure 4 on page 13, channel 4). 7567A004Analog inputsFE potential A B Electrical isolation between area A and B U (24 V DC)ANA Local bus (IN) I/O interface Bus interface OPC and microcontroller Local bus (OUT) U (7.5 V DC)L U (24 V DC)ANA U (7.5 V DC)L 24 V
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10 Notes on using the terminal in potentially explosive areas
Approval according to directive 94/9/EC X II 3 G Ex nA II T4 X Installation notes – This Inline terminal can be installed in zone 2. 1. The Inline terminal must on ly be installed, operated, and maintained by qualified personnel. 2. Please follow the installation instructions given in the IL SYS INST UM E user manual and the package slip. 3. Observe all applicable safety directives (even national safety regulations), accident prevention regulations, as well as general rules of technology when installing and operating the equipment. 4. Please refer to the corresponding documentation (user manual, data sheet, package slip) and the certificates (EC type examination and other approvals, if applicable) for safety-related data. 5. It is not permitted to access the circuits inside the Inline terminal. Do not repair the Inline terminal by yourself but replace it with a terminal of the same type. Repairs may only be carried out by the manufacturer. 6. IP20 (EN 60529) protection of the device is provided for a clean and dry environment. 7. Do not subject the Inline terminal to mechanical strain and/or thermal loads, which exceed the limits specified in the product documentation. 8. The Inline terminal has not been designed for use in dust potentially explosive atmospheres. Installation in zone 2 1. Observe the specified condit ions for use in potentially explosive areas. 2. When installing the termin al, use an appropriate and approved housing with a minimum protection of IP54. Please observe the EN 60079-14 requirements, e.g., a steel housing with a wall thickness of 3 mm. 3. In potentially explosive ar eas, only snap the Inline terminal onto the rail and connect the cables when the power is switched off. 4. In zone 2, only connect devi ces to the supply and signal circuits that are suitable for operation in potentially explosive areas of zone 2 and the conditions at the installation location. Restrictions/limit values 1. Only Inline terminals that are approved for use in potentially explosive areas may be snapped next to this Inline terminal. Before using an Inline terminal in a zone 2 potentially explosive area, first check that the terminal has been approved for installation in this area. For a list of terminals approved for use in zone 2 potentially explosive areas, please refer to the AH EN IL EX ZONE 2 application note. 2. Please make sure that the maximum permissible current of 4 A flowing through potential jumpers U M and US (total current) is not exceeded when using the Inline terminals in potentially explosive areas. 3. Also ensure that the maximum permissible current of 2 A flowing through potential jumper UL is not exceeded. 4. The maximum permissible current for each tension spring contact is 2 A.
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11 Connection examples
11.1 4-wire termination Figure 4 4-wire termination example Example assignment: 11.2 3-wire termination Figure 5 3-wire termination example Connect the braided shield of the sensor cable at one end only. For the assignments illustrated below, it is absolutely necessary to connect the cable shield at a central point in the control cabinet. The braided shield can be connected to a shield busbar using, for example, a shield connection clamp of SK8 type, Order No. 3025163. Channel Connection method Remark 1 4-wire termination 2 ... 8 Not used Insert the short-circuit jumper. D TR 1 2 3 4Slot Channel 12345678 RL RL RL RTD RL 7567B009 12 34 56 78 TEMP 4/8 RTD EF Manufacturer recommendation To improve the measured results of a 3-wire sensor on long sensor cables, Phoenix Contact recommends always combining 4-wire termination with the 3-wire sensor (see Figure 6 on page 14). 7567B008 D TR 1 2 3 4Slot Channel 12345678 RTD RL RL RL 12 34 56 78 TEMP 4/8 RTD EF
IB IL TEMP 4/8 RTD/EF ... 7567_en_07 PHOENIX CONTACT 14 11.3 4-wire termination using a sensor in 3-wire technology According to the assignment example illustrated below, RTD 3-wire sensors can also be used for long sensor cables with optimum accuracy using 4-wire termination of the terminal. This compensates for possible cable interferences, which may occur in conjunction with very long sensor cable lengths due, for example, to cable resistances, capacitances and inductances. In addition, the temperature drift of the connection cable is eliminated. Figure 6 4-wire termination example using a sensor in 3-wire technology 11.4 2-wire termination Figure 7 2-wire termination example
12 Programming data/
Local bus (INTERBUS) Other bus systems D TR 12 34 56 78 TEMP 4/8 RTD EF 7567B010 Max. length of sensor cable RTD RL RL RL RL 1 2 3 4Slot Channel 12 3 4 5 6 7 8 ID code DF hex (223dec) Length code 05 hex Process data channel 80 bits Input address area 5 words Output address area 5 words Parameter channel (PCP) 1 word Register length (bus) 6 words For the programming/configuration data of other bus systems, please refer to the corresponding electronic device data sheet (e.g., GSD, EDS). RTD D TR 1 2 3 4Slot Channel 12345678 7567B007 RL RL 12 34 56 78 TEMP 4/8 RTD EF
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13 Process data
The module has five process data words. The first word is the control word, which is used to execute all actions. As confirmation for an action, the first input word contains a partial copy of the control word. The error bit indicates whether a command was carried out without errors. For the command codes 4x, 5x and 60, a set error bit indicates an invalid configuration. For the commands used to read the measured values (command codes 00 ... 09), the error bit represents a group error message. If the error bit is set, there will be an error message on one or more channels. The terminal has five process data words and one PCP word. Figure 8 Order of the PCP word and the process data words
14 Process data output words OUT
Five process data output words are available. Configure the terminal channels via the process data output words OUT1 and OUT2. In this context, the output word OUT1 contains the command and output word OUT2 the parameters belonging to this command. Configuration errors are indicated in the status word. The configuration settings are stored in a volatile memory. If you change the configuration, the message "Measured value invalid" appears (diagnostic code 8004hex), until new measured values are available. Please note that extended diagnostics is only possible if the IB IL format is configured as the format for the representation of measured values. As this format is preset on the terminal, it is available immediately after the voltage has been applied. Process data control PCP PD 0 OUT 1 PD 1 OUT 2 PD 2 OUT 3 PD 3 OUT 4 PD 4 OUT 5 PCP PD 0 IN 1 PD 1 IN 2 PD 2 IN 3 PD 3 IN 4 PD 4 IN 5 Output Input Communication via compact PCP Process data for measured value transmission 7567A011 Polling (cyclic)Polling (acyclic)
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14.1 Output word OUT1 (control word)
Bit 15 to bit 8 (command code): CCC = channel number Channel assignment: Bits 5 and 4 (ODS: open circuit detection sensitivity; firmware version 1.10 or later) OUT1 B i t 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 Assignment C o m m a n d c o d e 00 O D S 0000 Bit OUT1 Command function 15 14 13 12 11 10 9 8 0 0 0 0 0 C C C 0x00hex Read measured value in IN2 channel-by-channel. 0 0 0 0 1 0 0 0 0800 hex Read measured values of channels 1 to 4 in IN2 to IN5. 0 0 0 0 1 0 0 1 0900 hex Read measured values of channels 5 to 8 in IN2 to IN5. 0 0 0 1 0 C C C 1x00hex Read configuration in IN2 channel-by-channel. 0 0 1 1 1 1 0 03 C 0 0 hex Read device data. The firmware version and the device ID number are represented in IN2 (see Section 15.2 “Input words IN2 to IN5” ). 0 1 0 0 0 C C C 4x00hex Configure channel, configuration in OUT2. 0 1 0 1 0 C C C 5x00hex Configure channel and read measured value of the channel, configuration in OUT2, measured value in IN2. 0 1 1 0 0 0 0 0 6000 hex Configure entire terminal (all channels); configuration in OUT2. Bit Channel number 10 9 8 0 0 01 0 0 12 0 1 03 0 1 14 1 0 05 1 0 16 1 1 07 1 1 18 Bit ODS: open circuit detection sensitivity5 4 0 0 High sensitivity 0 1 Medium sensitivity 1 0 Reserved 1 1O F F Please also observe the “Notes on diagnostic be- havior in the event of an error” on page 33.
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14.2 Output word OUT2 (parameter word)
The parameters for the commands 4x00hex, 5x00hex, and 6000hex must be specified in OUT2. This parameter word is only evaluated for these commands.
14.3 Parameters for configuration
The module can be configured either via process data or PCP. The error code "Measured value invalid" is output during configuration. If the configuration is invalid, the error bit is set in the status word. The configuration is only stored in a volatile memory. The first output word must contain the command, the second output word must contain the configuration value. Default settings are marked in bold. Bits 14 and 13: Bits 11 to 8: Bits 7 and 6: Bits 5 and 4: OUT2 B i t 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 Assignment 0 Filter time 0 R0 Resolution Format Sensor type R0 Selection of sensor resistance at 0°C. Here, for example, you can select whether Pt100, Pt500 or Pt1000 are to be used for the platinum sensor type. Resolution Quantization of the measured valu e, select between °Celsius or °Fahrenheit. Format Representation of the measur ed value in the IN process data Sensor type Sensor type setting If invalid parameters are specified in the parameter word, the command will not be executed. The command is acknowledged in the input words with the error bit set. OUT2 B i t 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 Assignment 0 Filter time 0 R0 Resolution Format Sensor type Code Filter time 00 480 ms 01 120 ms 10 101 ms 11 200 ms Code R0 [Ω] Code R0 [Ω] dec bin dec bin 0 0000 100 8 0008 240 1 0001 10 9 0009 300 2 0010 20 10 000A 400 3 0011 30 11 000B 500 4 0100 50 12 000C 1000 5 0101 120 13 000D 1500 6 0110 150 14 000E 2000 7 0111 200 15 000F 10000 Code Resolution for sensor type dec bin All temperature sensors Linear R 0 ... 500 Ω Linear R 0 ... 5k Ω Linear R 0 ... 30 kΩ 0 00 0.1°C 0.1 Ω 1 Ω 1 Ω 10 1 0 . 0 1 ° C 0.01 Ω 0.1 Ω res. 21 0 0 . 1 ° F Reserved31 1 0 . 0 1 ° F Code Format dec bin 0 00 IB IL format (15 bits + sign bit with extended diagnostics) 1 01 Reserved 2 10 S7 format compatible (15 bits + sign bit) 3 11 Reserved
IB IL TEMP 4/8 RTD/EF ... 7567_en_07 PHOENIX CONTACT 18 Bits 3 to 0: Code Sensor type dec bin 0 0000 Pt DIN 1 0001 Pt SAMA 2 0010 Ni DIN 3 0011 Ni SAMA 4 0100 Cu10 5 0101 Cu50 6 0110 Cu53 7 0111 Ni1000 (Landis & Gyr) 8 1000 Ni500 (Viessmann) 9 1001 KTY 81-110 10 1010 KTY 84 11 1011 KTY 81-210 12 1100 Linear R 0 ... 30 k Ω 13 1101 Reserved 14 1110 Linear R 0 ... 500 Ω 15 1111 Linear R 0 ... 5 k Ω
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15 Process data input words IN
15.1 Input word IN1 (status word)
Input word IN1 performs the task of a status word. EB: Error bit Mirroring of the command code: A command code mirrored from the control word. Here, the MSB is suppressed.
15.2 Input words IN2 to IN5
The measured values, the configuration or the firmware version are transmitted to the controller board or the PC using the process data input words IN2 to IN5 in accordance with the configuration. For the control word 3C00hex, IN2 supplies the firmware version and the module ID. Example: Firmware version 1.23: Basically two formats are available for the representation of the measured values. For more detailed information on the formats, please refer to Section “Formats for representing measured values” on page 20. IN1 B i t 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 Assignment EB M i r r o r i n g o f t h e c o m m a n d c o d e 00000000 EB = 0 No error has occurred. EB = 1 An error has occurred. IN2 B i t 1 51 41 31 21 11 0 9 8 7 6 5 4 3 2 1 0 A s s i g n m e n t ( h e x ) 123 E hex Meaning Firmware version 1.23 Module ID MSB LSB 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 SB Analog value IB IL format, S7 format compatible MSB Most significant bit LSB Least significant bit SB Sign bit AV Analog value
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16 Formats for represen ting measured values
16.1 IB IL format (default setting)
The measured value is represented in bits 14 to 0. An additional bit (bit 15) is available as a sign bit. This format supports extended diagnostics. Values >8000hex and <8100hex indicate an error. Measured value representation in IB IL format, 15 bits The following diagnostic codes are supported: MSB LSB 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 SB Analog value SB Sign bit IB input word All temperature sensors [°C/°F] R0 up to 500 Ω R0 up to 5 kΩ Code (hex) dec Resolution Resolution Resolution Resolution 8001 Overrange > Limit value > Li mit value >525 >325.12 >5250 >3251.2 0000 0 0 0 ≤ 0 ≤ 0 ≤ 0 ≤ 0
8080 Underrange < Limit value < Limit value – – –
Code (hex) Error
8001 Overrange
8002 Open circuit
8004 Measured value invalid/no valid measured value available (e.g., because the channel has not been configured)
8010 Invalid configuration
8020 I/O supply voltage faulty
8040 Terminal faulty
8080 Underrange
If the measured value is outside the representation area of the process data, the error message "Overrange" or "Underrange" is displayed.
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16.2 S7 format compatible
The measured value for temperature and resistance values is represented in bits 14 through 0. An additional bit (bit 15) is available as a sign bit. Measured value representation in S7 format, 15 bits The following diagnostic codes are possible: MSB LSB 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 SB Analog value SB Sign bit IB input word All temperature sensors [°C/°F] 0 to 500 Ω 0 to 5 kΩ Code (hex) dec Resolution Resolution Resolution Resolution 7FFF Overrange > Limit value > Li mit value >525 >325.12 >5250 >3251.2 0000 0 0 0 ≤ 0 ≤ 0 ≤ 0 ≤ 0
8000 Underrange < Limit value < Limit value – – –
Code (hex) Error 7FFF Overrange 8004 Measured value invalid/no valid measured value available (e.g., because the channel has not been configured)
8000 Underrange
If the measured value is outside the representation area of the process data, the error message "Overrange" or "Underrange" is displayed.
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17 PCP communication
By default upon delivery, the terminal is configured according to the default settings. To adapt the configuration, the terminal can be configured via process data or PCP. In PCP mode, the terminal is configured using the "Config Table" object.
17.1 Object dictionary
18 Object descriptions
18.1 DiagState object (0018 hex)
Object description: The object is used for structured error reporting and is defined in the basic profile. For information on PCP communication, please refer to the IBS SYS PCP G4 UM E (Order No. 2745169) and IBS PCP COMPACT UM E (Order No. 9015349) user manuals. The programs IBS CMD (for standard controller boards) and IBS PC WORX (for Field Controllers [FC] and Remote Field Controllers [RFC]) are available for the configuration and parameterization of your INTERBUS system. For additional information, please refer to the IBS CMD SWT G4 UM E user manual and the documentation for the version of PC WorX used. Index Object name Meaning Data type N L Rights 0018hex DiagState Diagnostic status Record 6 rd 0080hex Config Table Configuration table Array of Unsigned 16 12 2 rd/wr 0081hex Analog Values Measured value in 16-bi t format Array of Unsigned 16 8 2 rd 0082hex Measured Value Float Measured value in extended float format Record 8 6 rd 0090hex Channel Scout Channel scout Unsigned 8 1 1 rd/wr N: Number of elements rd: Read access permitted L: Length of an element in by tes wr: Write access permitted Subindex Data type Meaning Contents 1 Unsigned 16 Error number 0 ... 65535
2 Unsigned 8 Priority ErrorCode = 0000 hex -> prio: 00hex, otherwise 02hex
3 Unsigned 8 Channel ErrorCode = 0000 hex -> channel: 00hex,
otherwise 01hex ... 08hex
4 Unsigned 16 Error code 0000 hex: OK,
8910hex: Overrange, 8920hex: Underrange, 7710hex: Open circuit, 5160hex: Powerfail, 5010hex: Hardware fault
5 Unsigned 8 More follows 00
6 OctetString Text (10 characters) ErrorCode=0000-> Text: 'Status OK', otherwise error-specific
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18.2 Config Table object (0080 hex)
Configure the terminal using this object. Object description: Value range: ODS (firmware 1.10 or later) Bits 5 and 4 (ODS: open circuit detection sensitivity) Object Config Table Access Read, write Data type Array of unsigned 16 12 x 2 bytes Index 0080 hex Subindex 00 hex 01hex 02hex 03hex 04hex 05hex 06hex 07hex 08hex 09hex 0Ahex 0Bhex 0Chex Write all elements Configuration of channel 1 Configuration of channel 2 Configuration of channel 3 Configuration of channel 4 Configuration of channel 5 Configuration of channel 6 Configuration of channel 7 Configuration of channel 8 Reserved ODS (open circuit detection sensivity) Reserved Reserved Length (bytes) 18 hex 02hex Subindex 00hex Subindex 01hex to 0Chex Data Terminal configuration B i t 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 A s s i g n m e n t 0000000000 O D S 0000 Bit ODS: open circuit detection sensitivity5 4 0 0 High sensitivity 0 1 Medium sensitivity 1 0 Reserved 1 1O F F
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18.3 Analog Values object (0081 hex)
The elements of this object contain the analog values of the channels in a format that has been selected for this channel. Object description: Object Analog Values Access Read Data type Array of unsigned 16 8 x 2 bytes Index 0081 hex Subindex 00 hex 01hex 02hex 03hex 04hex 05hex 06hex 07hex 08hex Read all elements Analog value of channel 1 Analog value of channel 2 Analog value of channel 3 Analog value of channel 4 Analog value of channel 5 Analog value of channel 6 Analog value of channel 7 Analog value of channel 8 Length (bytes) 10 hex 02hex Subindex 00hex Subindex 01hex to 08hex Data Analog values of the channels
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18.4 Measured Value Float object (0082 hex)
Object description: The extended float format is a specific format from Phoenix Contact and consists of the measured value, the status and the unit code. The status is required as there are no patterns informing about the status of the value defined in the float format. The status corresponds to the lower bytes of the Inline error codes. For example, if status = 01 with overrange, the Inline error code is 8001 hex. If status = 0, the measured value is valid. Measured value record: Structure of the float format according to IEEE 754 S = 1 sign bit, 0: positive, 1: negative E = 8 bits, exponent with offset 7Fhhex M = 23 bits, mantissa Example values for the float format This format provides the highest internal module accuracy and is independent of the configured resolution. Object Measured Value Float Access Read Data type Array of record 8 x 6 bytes Index 0082 hex Subindex 01 hex 02hex 03hex 04hex 05hex 06hex 07hex 08hex Analog value of channel 1 Analog value of channel 2 Analog value of channel 3 Analog value of channel 4 Analog value of channel 5 Analog value of channel 6 Analog value of channel 7 Analog value of channel 8 Length (bytes) 30 hex 06hex Subindex 00hex Subindex 01hex to 08hex Data Analog values of the channels Element Data type Length in bytes Meaning .1 Float 4 Measured value in float format according to IEEE 754 .2 Unsigned 8 1 Status .3 Unsigned 8 1 Unit code: 32: °C, 33: °F, 37: Ω Bit 25 17 9 1 Assignment SEEE EEEE EMMM MMMM MMMM MMMM MMMM MMMM 1.0 3F 80 00 00 hex -1.0 BF 80 00 00 hex 10 41 20 00 00 hex 1.03965528 3F 85 13 6D hex
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18.5 Channel Scout object (0090 hex)
The channel scout function supports the fast discovery of a measuring channel on the Inline terminal (e.g., during startup). Object description: Value range: The channel scout functionality is superior to all diagnostic messages of the selected LED and must be disabled separately by the user. In comparison, the configuration of a channel automatically causes this functionality to be aborted. Object Channel Scout Access Read/write Data type Unsigned 1 bytes Index 0090 hex Length (bytes) 01 hex Subindex 00hex Data Control of the channel LED
0 Disable all channel scout processes
1 ... 8 Orange LED of the channel is flashing at
0.5 Hz (1 second ON, 1 second OFF)
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19 Configuration and analog values
The terminal only needs to be configured if the channels are not to be operated with the default values (see “Parameters for configuration” on page 17). You can configure the terminal either using process data or using PCP and transmit the analog values accordingly. If you have configured the terminal via PCP, the configuration can no longer be modified using the process data. Examples for the terminal configuration via process data
20 Temperature and resistance
20.1 Measuring ranges depending on the resolution
(IB IL format) Where:
21 Measuring errors due to
21.1 4-wire technology The terminal provides 4-wire technology for all eight channels and supports the maximum connection length of 250 meters for each sensor. Additional measuring tolerances caused by the cable length do not occur.
21.2 Systematic errors during temperature
measurement using 2-wire technology Figure 9 Systematic temperature measuring error ΔT depending on the cable length l Curves depending on the cable cross-section A (Measuring error valid for: copper cable χ = 57 m/Ωmm TA = 25°C and Pt100 sensor) Figure 10 Systematic temperature measuring error ΔT depending on the cable cross-section A (Measuring error valid for: copper cable χ = 57 m/Ωmm2, TA = 25°C, l = 5 m and Pt100 sensor) For easy terminal configuration a function block can be downloaded at www.phoenixcontact.net/catalog. Resolution Temperature sensors 00 -273°C up to +3276.8°C Resolution: 0.1°C 01 -273°C up to +327.68°C Resolution: 0.01°C 10 -459°F up to +3276.8°F Resolution: 0.1°F 11 -459°F up to +327.68°F Resolution: 0.01°F Temperature values can be converted from °C to °F with this formula: T [°F] Temperature in °F T [°C] Temperature in °C /G54 /G20 /G5B /GB0 /G46 /G5D /G20 /G3D /G20 /G54 /G20 /G5B /GB0 /G43 /G5D /G20 /G78 /G20 /G20 /G20 /G20 /G20 /G20 /G20 /G2B /G20 /G33 /G32 /G20 /G39 /G35 (1) Temperature measuring error for A = 0.14 mm 2 (2) Temperature measuring error for A = 0.25 mm 2 (3) Temperature measuring error for A = 0.50 mm 2 0.0 3.0 6.0 9.0 12.0 15.0 K l m 57551014 (1) (2) (3) /c68T 0.0 1.0 2.0 3.0 4.0 5.0 6.0 K A mm² 7567A012 /c68T
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22 Calculation examples
22.1 Typical temperature behavior
Task: Temperatures of up to +45°C are achieved in the control cabinet. 1. What typical drift values of the measuring inputs are to be expected for temperature measurement with a Pt100 sensor using 4-wire technology at a measuring temperature of +180°C for this terminal? 2. What typical measuring tolerance is to be expected at +45°C? Calculation of typical drift values: The temperature difference is calculated using the formula (1): Where: According to formula (1) The temperature drift of the Pt100 sensor is calculated according to formula (2): Where: According to formula (2) Solution: Under these marginal conditions, a typical temperature drift of 0.02 K is to be expected. Calculation of the typical measuring tolerance: The measuring tolerance is calculated using the formula (3): Where: According to formula (3) Solution: With an ambient temperature of +45°C, a typical measuring tolerance of ±0.07 K is to be expected. ΔT A = TS - 25 °C (1) ΔTA Temperature difference (difference between current switch cabinet temperature and reference temperature of +25°C) TS Current temperature in the switch cabinet Value for this example: TS = 45°C ΔTA = TS - 25°C = 45°C - 25°C = 20 K TDrift = ΔTA x TC x TM (2) TDrift Temperature drift of the Pt100 sensor ΔTA Temperature difference; from formula (1) TC Temperature coefficient; see “Temperature and drift response at TA = -25°C to +55°C (+60°C)3)” on page 6 TM Measuring temperature Values for this example: ΔTA = 20 K TC = ±5 ppm/K (typical drift) TM = 180°C TDrift = ΔTA x TC x TM = 20 K x ±5 ppm/K x 180°C = 20 x ±5 x 10-6 x 180°C = ±0.018 K TDrift = ±0.02 K ΔTTot = ΔT25 + TDrift (3) ΔTTot Total tolerance ΔT25 Tolerance at 25°C; see “Tolerances (typical/ maximum) at TA = +25°C” on page 5 TDrift Drift at 45°C; from formula (2) Values for this example: ΔT 25 = ±0.05 K TDrift = ±0.02 K ΔTTot = ΔT25 + TDrift = ±0.07 K
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22.2 Maximum temperature behavior (worst case)
Task: Temperatures of up to +40°C are achieved in the control cabinet. What typical drift values of the measuring inputs are to be expected for temperature measurement with a Pt100 sensor using 4-wire technology at a measuring temperature of +200°C for this terminal? Calculation: The measuring tolerance is calculated using the formula (3): To calculate the drift, proceed as described in the example for the typical temperature response. The temperature difference is calculated using the formula (1): According to formula (1) The maximum temperature drift of the Pt100 sensor is calculated according to formula (2): According to formula (2) The measuring tolerance is calculated using the formula (3): According to formula (3) Solution: With an ambient temperature of +40°C, a maximum worst case measuring tolerance of 0.24 K is to be expected. ΔTTot = ΔT25 + TDrift (3) Values for this example: ΔT25 = ±0.19 K TDrift Must be calculated ΔTA = TS - 25°C (1) Value for this example: TS = 40°C ΔTA = TS - 25°C = 40°C - 25°C = 15 K TDrift = ΔTA x TC x TM (2) Values for this example: ΔTA = 15 K TC = ±18 ppm/K (maximum drift) TM = 200°C TDrift max. = ΔTA x TC x TM = 15 K x ±18 ppm/K x 200°C = 15 x ±18 x 10-6 x 200°C = ±0.054 K TDrift max. = ±0.05 K ΔTTot = ΔT25 + TDrift (3) Values for this example: ΔT25 = ±0.19 K TDrift = ±0.05 K ΔTTot = ΔT25 + TDrift = ±0.24 K
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23 Configuration example
All eight channels of the terminal are preset to a Pt100 sensor and a filter time of 480 ms. In order to change default settings, the new configuration data should be transferred to the terminal. Please refer to the following examples for the configuration procedure. Channel No. Sensor type Filter time Resolution Configuration 1 Pt100 DIN 480 ms 0.1°C 0000 hex 2 Ni100 DIN 480 ms 0.1°C 0002 hex
3 Lin 500 Ω 480 ms 0,01 Ω 004Ehex
4 Cu10 480 ms 0.1°C 0004 hex 5 Pt100 DIN 480 ms 0.01°C 0040 hex 6 Pt1000 DIN 480 ms 0.1°C 0C00 hex 7 Ni500 DIN 480 ms 0.1°C 0B02 hex 8 Lin 500 k Ω 480 ms 1.0 Ω 000Fhex Step No. Process data Configuration
1 Out1 = 0000 hex, 0800hex or 0900hex Specify a passive command first
2 Wait until In1 = Out1 Wait for confirmation
3 Out2 = 0000 hex
Out1 = 4000hex Configuration for channel 1
4 Wait until In1 = Out1 Wait for confirmation
5 Out2 = 0002 hex
Out1 = 4100hex Configuration for channel 2
6 Wait until In1 = Out1 Wait for confirmation
7 Out2 = 004E hex
Out1 = 4200hex Configuration for channel 3
8 Wait until In1 = Out1 Wait for confirmation
9 Out2 = 0004 hex
Out1 = 4300hex Configuration for channel 4
10 Wait until In1 = Out1 Wait for confirmation
11 Out2 = 0040 hex
Out1 = 4400hex Configuration for channel 5
12 Wait until In1 = Out1 Wait for confirmation
13 Out2 = 0C00 hex
Out1 = 4500hex Configuration for channel 6
14 Wait until In1 = Out1 Wait for confirmation
15 Out2 = 0B02 hex
Out1 = 4600hex Configuration for channel 7
16 Wait until In1 = Out1 Wait for confirmation
17 Out2 = 000F hex
Out1 = 4700hex Configuration for channel 8
18 Wait until In1 = Out1 Wait for confirmation
19 Wait 4 seconds Wait until all channels have settled
20 Out1 = 0800
hex Request measured values of channels 1 - 4
21 Wait until In1 = Out1 Wait for confirmation
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22 Measured value channel 1 = In2
Measured value channel 2 = In3 Measured value channel 3 = In4 Measured value channel 4 = In5 Read measured values of channels 1 - 4
23 Out1 = 0900
hex Request measured values of channels 5 - 8
24 Wait until In1 = Out1 Wait for confirmation
25 Measured value channel 5 = In2
Measured value channel 6 = In3 Measured value channel 7 = In4 Measured value channel 8 = In5 Read measured values of channels 5 - 8 Step No. Process data Configuration
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24 Notes on diagnostic behavior in the event of an error
24.1 Diagnostic behavior in the event of an error with ODS = 0 or ODS = 1
The following error states are detected and indicated by the terminal itself. The errors are partly represented via the process input data and/or the corresponding diagnostic LEDs on the module.
24.2 Diagnostic behavior in the event of an error with ODS = 3
For applications with particularly high EMC requirements (significantly higher than the standardized limit values) the ODS function can be set to value 3. This deactivates the open circuit detection function and allows for error-free measurements even under particularly high EMI conditions. The diagnostic system detects and reports single interrupted sensor wires or multiple interrupted sensor wires as well as completely disconnected sensor cables, see sections 24.1 to 24.4. No. Malfunction/error Indication in the process data or other messages Diagnostic and status indicators 1U L (7.5 V) missing None, bus error No LED is ON.
2 Measured value is above the valid
measuring range (e.g., 500 Ω at Pt100 input). 8001hex, overrange Error bit set in the first process data input word. The LED of the relevant channel (1 ... 8) is red.
3 Sensor connector is not plugged in
and/or the sensor cable is completely interrupted. 8002hex, open circuit Error bit set in the first process data input word. The LED of the relevant channel (1 ... 8) is red. 4 Measured value invalid (e.g., during the reconfiguration of a channel). 8004hex, measured value invalid Error bit set in the first process data input word. The LED of the relevant channel (1 ... 8) is temporarily red. 5U ANA (+24 V) is missing or failure of internal I/O voltages. I/O error message is triggered. Th e D LED is green and flashes at 2H z . 6 Internal component faulty. 8040 hex, self diagnostics Component error and error bit set in the first process data input word.
7 Measured value is below the valid
measuring range (e.g., 5 Ω at Pt100 input). 8080hex, underrange Error bit set in the first process data input word. The LED of the relevant channel (1 ... 8) is temporarily red.Malfunction/error Indication in the process data or other messages Diagnostic and status indication Sensor connector is not plugged in and/ or the sensor cable is completely interrupted. 8001hex, overrange Error bit set in the first process data input word. The LED of the relevant channel (1 ... 8) is red.
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24.3 Diagnostics response times in the event of an open circuit
The following table lists the typical diagnostics response times if the sensor connector is not plugged in and/or the sensor cable is completely interrupted.
24.4 Diagnostics response times if single sensor wires are interrupted
The following table lists the typical diagnostics response times if single sensor wires are interrupted. Settings for ODS (open circuit detection sensitivity) Settings recommended for Diagnostic message in the process data Typical response time of all eight channels hex / High sensitivity Interference coupling within the standardized level 8002hex (open circuit) 2 s ... 5 s 1hex / Medium sensitivity Interference coupling slightly above the standardized level 8002hex (open circuit) 6 s 3hex / OFF Interference coupling significantly higher than the standardized level 8001hex (overrange) 15 s ... 17 s The typical response time of the diagnostic messages was determined between the error event and the message in the process data. The time also includes transmission of the data to the control system/controller board in the test system used. Settings for ODS (open circuit detection sensitivity) Settings recommended for Diagnostic message in the process data Typical response time of all eight channels hex / High sensitivity Interference coupling within the standardized level 8002hex (open circuit) or 8080hex (underrange) 2 s ... 5 s 1hex / Medium sensitivity Interference coupling slightly above the standardized level 8002hex (open circuit) or 8080hex (underrange) 2 s ... 5 s 3hex / OFF (see note below the table) Interference coupling significantly higher than the standardized level 8001hex (overrange) or 8080hex (underrange) 2 s ... 60 s CAUTION: In the event of an ODS = 3 configuration: Please note that the response time of the diagnostic message can be up to 60 seconds longer in your application if a single wire is broken. During this time the measured values are either rising or falling.