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Technical content

© PHOENIX CONTACT - 2010-07-236754_en_05 AUTOMATION IB IL IMPULSE-IN ... Data sheet 1D e s c r i p t i o n The terminal is designed for use within an Inline station and is used to evaluate magnetostrictive position transducers with START/STOP interface (digital inpulse interface). The time between a request pulse and its reply pulse is directly proportional to the position of the position encoder on the measurement path. Impulses are transmitted without interference via a differential driver according to RS-422. The terminal has a channel in the local bus protocol, which is requested and configured via two process data words.

1.1 Features

– 24 V DC encoder supply – Diagnostic and status indicators

1.2 Applications

Encoders with START/STOP interface can be connected. This data sheet is only valid in association with the IL SYS INST UM E user manual. Make sure you always use the latest documentation. This can be downloaded at www.phoenixcontact.net/catalog This data sheet is valid for the products listed on the following page: Inline Modular position detection terminal, input for magnetostrictive position transducers with START/STOP interface D F 24V IMPULSE-IN

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3 Technical data

Description Type Order No. Pcs./Pkt. Inline Modular position detection terminal, input for magnetostrictive position transducers with START/STOP interface, without accessories, transmission speed of 500 kbps IB IL IMPULSE-IN 2819231 1 Inline Modular position detection terminal, input for magnetostrictive position transducers with START/STOP interface, complete with accessories (connectors and labeling fields), transmission speed of 500 kbps IB IL IMPULSE-IN-PAC 2861768 1 Inline Modular position detection terminal, input for magnetostrictive position transducers with START/STOP interface, without accessories, transmission speed of 2 Mbps IB IL IMPULSE-IN-2MBD 2819817 1 Inline Modular position detection terminal, input for magnetostrictive position transducers with START/STOP interface, complete with accessories (connectors and labeling fields), transmission speed of 2 Mbps IB IL IMPULSE-IN-2MBD-PAC 2819804 1 The connector listed below is needed for the complete fitting of the IB IL IMPULSE-IN and IB IL IMPULSE-IN-2MBD terminals. Accessories Description Type Order No. Pcs./Pkt. Inline shield connector for analog Inline terminals IB IL SCN-6 SHIELD 2726353 5 Documentation Description Type Order No. Pcs./Pkt. "Automation terminals of the Inline product range" user manual IL SYS INST UM E 2698737 1 General data Housing dimensions (width x height x depth) 12.2 mm x 136 mm x 72 mm (with connector) Weight (without connectors) 50 g (without connector), 71 g (with connector) Operating mode Process data mode with 2 words Ambient temperatures (operation) -25°C ... +55°C Ambient temperature (storage/transport) -25°C ... +85°C Permissible humidity (operation/storage/transport) 10% ... 95% according to DIN EN 61131-2 Permissible air pressure (operation/storage/transport) 70 kPa ... 106 kPa (up to 3000 m above sea level) Degree of protection IP20 Protection class III, IEC 61140 Connection data for Inline connectors Connection method Spring-cage terminals Interface Local bus Inline data jumper START/STOP interface Comprising a differential input and a differential output according to RS-422 Transmission speed IB IL IMPULSE-IN, IB IL IMPULSE-IN-PAC 500 kbps IB IL IMPULSE-IN-2MBD, IB IL IMPULSE-IN-2MBD-PAC 2 Mbps

IB IL IMPULSE-IN ... 6754_en_05 PHOENIX CONTACT 3 Power consumption 500 kbps 2 Mbps Communications power UL 7.5 V 7.5 V Current consumption from UL 70 mA, maximum 100 mA, maximum Power consumption from UL 0.525 W 0.750 W Main supply voltage UM 24 V DC, typical 24 V DC, typical Current consumption from UM 150 mA, typical (with connected encoder) 150 mA, typical (with connected encoder) Supply of the module electronics and I/O through bus coupler/power terminal Connection method Through potential routing Magnetostrictive encoder Interface START/STOP interface Signal voltage level Differential signal (signal – inverted signal) ±0.5 V, minimum; ±6.0 V, maximum Common mode range: signal – ground -10 V ... +13.2 V Length measuring range > 0 mm to 3850 mm Resolution 5 µm 2750 m/s ... 2898 m/s (Firmware 1.22 or later) Encoder supply Short-circuit protection Electronic and thermal Current carrying capacity 250 mA, maximum The status of the encoder supply is indicated by the green 24 V LED. If the internal voltage for the encoder electronics fails or is overloaded, an I/O error is generated. This error is indicated by the diagnostic LED flashing at 2 Hz and transmitted to the higher-level control system. Error messages to the higher-level control or computer system Failure or overload of the encoder supply Yes, I/O error message sent to the controller board Limitation of simultaneity, derating No derating Electrical isolation/isolation of the voltage areas Electrical isolation of the logic level from the I/O area is ensured by the optocoupler. 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 Test distance Test voltage 7.5 V supply (bus logic)/ I/O 500 V AC, 50 Hz, 1 min. 7.5 V supply (bus logic)/functional earth ground 500 V AC, 50 Hz, 1 min. 24 V supply (I/O)/functional earth ground 500 V AC, 50 Hz, 1 min.

IB IL IMPULSE-IN ... 6754_en_05 PHOENIX CONTACT 4 Conformance with EMC directive 2004/108/EC Noise immunity test according to EN 61000-6-2 Electrostatic discharge (ESD) EN 61000-4-2 (IEC 61000-4-2) Criterion B: Temporary impairment of operating behavior that is corrected by the device itself. 6 kV contact discharge 8 kV air discharge Electromagnetic HF field EN 61000-4-3 (IEC 61000-4-3) Criterion A: Normal operating behavior within the specified limits. Field strength: 10 V/m Fast transients (burst) EN 61000-4-4 (IEC 61000-4-4) Criterion B: Temporary impairment of operating behavior that is corrected by the device itself. Signal: 2 kV Supply: 2 kV Surge current load (surge) EN 61000-4-5 (IEC 61000-4-5) Criterion B: Temporary impairment of operating behavior that is corrected by the device itself. Signal: Up to ±1 kV asymmetrical Supply: ±0.5 kV symmetrical, ±0.5 kV asymmetrical Conducted interference EN 61000-4-6 (IEC 61000-4-6) Criterion A: Normal operating behavior within the specified limits. Test voltage 10 V Noise emission test according to EN 61000-6-4 Noise emission of housing EN 55011 (corresponds to CISPR11) Class A: Industrial application, without special installation measures. Class A Approvals For the latest approvals, please visit www.phoenixcontact.net/catalog.

IB IL IMPULSE-IN ... 6754_en_05 PHOENIX CONTACT 5 4B a s i c c i r c u i t d i a g r a m Figure 1 Internal wiring of the terminal points 6754A004 +24 V (U )M +24 V (U )S Local bus OPC UL+ UANA UL- /c109P ASIC 3.6 V 7.5 V Key: Protocol chip (bus logic including voltage conditioning) Microprocessor ASIC chip Power supply unit without electrical isolation Power supply unit with electrical isolation Optocoupler RS-422 interface Terminal point Fuse Ground (GND) Functional earth ground Electrically isolated area OPC /GB5 /G50 /G41 /G53 /G49 /G43 /G78 /G56 /G78 /G56 /G78 /G56 /G78 /G56

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5 Local diagnostic/status indicators

and terminal point assignment Figure 2 Local diagnostic and status indicators

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

6 Connection example

Figure 3 Typical connection Legend: Des. Color Meaning D Green LED Diagnostics (bus and logic supply) 24V Green LED

24 V encoder supply

ON: 24 V encoder supply present OFF: 24 V encoder supply not present or short circuit F Yellow LED Measurement ON: Invalid measurement OFF: Valid measurement 6754A007 D F 24V IMPULSE-IN IMPULSE-IN D F 24V 1.1 1.2 1.3 1.4 2.1 2.2 2.3 2.4 Termi- nal point Signal Assignment

1.1 INIT INIT output

2.1 /INIT Inverted INIT output

1.2 START-STOP START/STOP input

2.2 /START-STOP Inverted START/STOP input 1.3 24 V Encoder supply (250 mA, maximum)

2.3 GND Ground

1.4, 2.4 Shield Encoder cable shield Impulse encoder IMPULSE-IN D F 24V 6754C005 Start Stop /INITGND /START-STOP

24 VINIT

/G53 /G74 /G61 /G72 /G74 /G53 /G74 /G6F /G70

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7 Connection notes

The terminal is used to evaluate magnetostrictive position transducers with START/STOP interface. These systems operate absolutely in the measuring range from > 0 mm to 3850 mm with a resolution of 5 µm. An external power supply unit for the position encoder is not required, as power is provided by the terminal. The data width in the bus system is 32 bits. The IN register has seven bits for status indicators and messages and 25 bits for actual position values (see "IN process data" on page 8). The OUT register has seven bits for control codes, three bits for the encoder length, and 20 bits for the ultrasonic speed (see "OUT process data" on page 9).

8.1 Error messages

The terminal has monitoring mechanisms, which trigger in the event of the following errors and generate an I/O error message: – I/O error (monitoring of the position encoder power supply) If the encoder supply fails or is overloaded, an I/O error is triggered and a corresponding message code is generated.

8.2 Actual value acquisition

On each firmware cycle (measuring cycle) the position of the position sensor is acquired. The firmware cycle depends on the set encoder length. For actual value acquisition, an impulse (START) is sent to a position transducer, which leads to a reply impulse (STOP) through reflection at the magnetic field of the position sensor. The terminal measures the time that elapses until the reply impulse is returned. In the terminal, the return path is calculated by multiplying with the propagation rate of the impulse in the position transducer, and stored in the process data.

9 Programming and configuration

9.1 Local bus (INTERBUS)

9.2 Other bus systems

Encoders should always be connected using shielded twisted pair cables. Unshielded cables may lead to erroneous results in environments with heavy noise. On the terminal side, the shield is capacitively connected to functional earth ground (FE) via the shield connector. On the encoder side, the shield must be connected with the grounded encoder housing. If the encoder does not have a shield connection, the shield can also be directly connected in the control cabinet to functional earth ground via an additional shield connection clamp. For additional information about shielding and connecting the shielded cables, please refer to the IL SYS INST UM E user manual. Please also observe the manufacturer's installation instructions for the position encoder. ID code 5F hex (95dec) Length code 02 hex (133dec) Process data channel 32 bits Input address area 2 words Output address area 2 words Parameter channel (PCP) 0 bytes Register length (bus) 2 words For the configuration data of other bus systems, please refer to the corresponding electronic device data sheet (e.g., GSD, EDS).

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10 Process data

10.1 IN process data

Absolute actual value of the current position with a resolution of 5 µm. Example: 12.05 cm = 120500 120500 µm / 5 µm = 24100 = 5E24 hex (Word.bit) view Word Word 0 B i t 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 (Byte.bit) view Byte Byte 0 Byte 1 B i t 7654321076543210 IN[0] Assignment Status Actual position value (bits 16 to 24) (Word.bit) view Word Word 1 B i t 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 (Byte.bit) view Byte Byte 2 Byte 3 B i t 7654321076543210 IN[0] Assignment Actual position value (bits 0 to 15) IN[0] Description Position actual value Bit 15 to Bit 9 bin hex 000 0000 00 Offline: The module is in the idle state. The configuration data is checked by sending the "Read position" command. If this is valid, the module changes to the "operation" state. Invalid 000 0001 01 Operation: If bit 9 = TRUE, the measured value (the position) of the position sensor is valid, i.e., the configuration data is valid and valid position values have been read by the encoder. Valid X1X XXX0 XX Acknowledgment for the "Acknowledge error" control code. Once the control code at "Read position" has been modified, the terminal changes to the "Read position" state (if the error has been removed) or returns to one of the error states. Invalid 100 0010 42 Error: Encoder supply not present or short circuit. Invalid 100 0100 44 Error: Encoder error After sending the START impulse, no STOP impulse was received by the encoder within the maximum measuring time (dependent on the configured encoder length, see OUT[0] Bit4 ... Bit6). Invalid 100 1000 48 Error: Invalid configuration data The configuration data is outside the limit values. Invalid 101 0000 50 Error: Invalid control code An unknown or invalid control code was transferred. Invalid 101 1000 58 Error: Cycle time too short No reliable position measurement is possible because the INTERBUS cycle time is too short. Invalid

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10.2 OUT process data

The OUT process data is evaluated as soon as the control code is mirrored in the IN process data. Control code The control code is used to select terminal operating states. When the terminal has detected the control code, it is mirrored in the status (see Section "Status" ). The terminal supports various error codes, which are generally reported as encoder errors. The causes are: –N o e c h o (Encoder not connected correctly; position encoder faulty; position encoder too far from position transducer; position encoder has exited the valid range of the position transducer) –I n c o r r e c t e c h o (Position transducer itself is strongly accelerated; strongly bundled magnetic field affecting the position transducer) In the event of an encoder error that is to be removed or ignored, the encoder error can be acknowledged by the control code 010 0001 bin. After an acknowledgment, normal operation must be set (control code 000 0001bin). If the error remains after the acknowledgment has been removed, a new error is indicated (status 1xx xxxxbin). "0" (unused): These bits should not be set (unknown configuration). The OUT process data specifies the output values in each bus cycle. The configuration data must be complete. Without complete configuration data, the terminal will not change to the ready state. (Word.bit) view Word Word 0 B i t 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 (Byte.bit) view Byte Byte 0 Byte 1 B i t 7654321076543210 OUT[0] Assignment Control code 0 0 Encoder length Ultrasonic speed (bits 19 to 16) (Word.bit) view Word Word 0 B i t 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 (Byte.bit) view Byte Byte 0 Byte 1 B i t 7654321076543210 OUT[1] Assignment Ultrasonic speed (bits 15 to 0) NOTE: Misinterpretation of values when data is not consistent Ensure data consistency of two words to prevent the possibility of misinterpreting the values. OUT[0] Bits 15 to 9 Control code bin hex 000 0000 00 No action (ignored) 000 0001 01 Read position: On the transition from the "Offline" state to the "Operation" state, the configuration data is checked and the terminal is configured. When position acquisition is successful, the module changes to the "Operation" state. 000 0010 02 Switch "Offline": The terminal changes from the "Operation" state to the "Offline" state; the configuration is reset. 010 0001 21 Acknowledge error: On the transition from the "Error" state to the "Operation" state, the configuration is maintained.

IB IL IMPULSE-IN ... 6754_en_05 PHOENIX CONTACT 10 Encoder length In order to optimize the time required for the acquisition of a position, the terminal should know the encoder length (position transducer length). This is divided into increments of 0.5 m and rounded up if required, i.e., if the encoder length is between two values, the next highest length should always be specified. If the values of the encoder length are outside the limit value range, the terminal outputs the message code "Invalid configuration data" (1000100 bin). Ultrasonic speed During configuration, the ultrasonic speed of the pulse in the position transducer (indicated on the rating plate of the position transducer) must be sent to the terminal, so that the terminal can correctly calculate the position of the position transducer. If the values of the ultrasonic speed are outside the limit value range, the terminal outputs the message code "Invalid configuration data" (1000100 bin). Since the terminal internally adds an offset of 2000 m/s, the value specified on the rating plate is sent to the terminal as a hexadecimal value without the highest integer position. Example: Ultrasonic speed in the position transducer = 2835.45 m/s Value sent to terminal: 835.45 = 83545hex OUT[0] Bit 4 to Bit 6 Encoder length bin hex 0000 0 0.5 m 0001 1 1.0 m 0010 2 1.5 m 0011 3 2.0 m 0100 4 2.5 m 0101 5 3.0 m 0110 6 3.5 m 0111 7 4.0 m Encoder length Limit values dec hex bin Minimum 0.5 m 0 0000 Maximum 4.0 m 7 0111 NOTE: Inaccurate measurement owing to incorrect encoder length If the specified encoder length (position transducer length) is too short, measurements will be inaccurate. Ultrasonic speed Limit values dec [m/s] hex bin Firmware 2.01 or later Minimum 2500.00 50000 0101 0000 0000 0000 0000 Maximum 2999.99 99999 1001 1001 1001 1001 1001 Firmware 1.21 or earlier Minimum 2750 75000 0111 0101 0000 0000 0000 Maximum 2898 89800 1000 1001 1000 0000 0000

IB IL IMPULSE-IN ... 6754_en_05 11PHOENIX CONTACT GmbH & Co. KG • 32823 Blomberg • Germany • Phone: +49-(0) 5235-3-00 PHOENIX CONTACT • P.O.Box 4100 • Harrisburg • PA 17111-0100 • USA • Phone: +717-944-1300 www.phoenixcontact.com 10.3 "Read Firmware Version and Sub ID" special function The terminal has a special function, which can be used to read its firmware version and sub ID. The sub ID can be used to distinguish between other Inline terminals with the same ID code. The terminal has the sub ID "F hex". Status with mirrored control code Firmware version (e.g., 100) and sub ID (F) The firmware version and sub ID can only be requested in the "Offline" state. During operation, this control command generates an error message. Word OUT[0] B i t 1 5 1 4 1 3 1 2 1 1 1 09876543210 B i n 0 0 1 1 1 1 0000000000 Hex 3 C 0 0 Word OUT[1] B i t 1 5 1 4 1 3 1 2 1 1 1 09876543210 B i n 0 0 0 0 0 0 0000000000 Hex 0 0 0 0 Word IN[0] B i t 1 5 1 4 1 3 1 2 1 1 1 09876543210 B i n 0 0 1 1 1 1 0000000000 Hex 3 C 0 0 Word IN[1] B i t 1 5 1 4 1 3 1 2 1 1 1 09876543210 B i n 0 0 0 1 0 0 0000001111 Hex 1 0 0 F