CR5000

CR5000 CAMPBELL | Alldatasheet

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Technical content

Measurement & Control System A rugged, high-performance data acquisition system

• Stand-alone unit off ering high performance and an environmentally rugged design
• Maximum throughput of 2k to 5k measurements per second (confi guration dependant)
• Powerful instruction set that supports measure- ment of most sensor types, on-board processing, data reduction, and intelligent control
• Backlit display allowing numerical or graphical display of stored data
• PCMCIA card slot for extended data storage and transporting data to a PC
• Battery-backed SRAM memory and clock ensuring data, programs, and accurate time are maintained while the CR5000 is discon- nected from its main power source
• Robust ESD protection
• Low power, 12 Vdc operation
• Data values stored in tables with a time stamp and record number Operating System/Logic Control Th e on-board operating system includes measurement, processing, and output instructions for programming the datalogger. Th e programming language, CRBasic, uses a BASIC-like syntax. Measurement instructions specific to bridge configurations, voltage outputs, thermocouples, and pulse/frequency signals are included. Processing instructions support algebraic, statistical, and transcendental functions for on-site processing. Output instructions process data over time and control external devices. Th ese instructions include averages, maximums, minimums, standard deviations, histograms, rainfl ow histograms, level crossings, and Fast Fourier Transfers (FFTs). Data Storage Capacity Data and multiple programs are stored on-board in battery-backed SRAM. Data is stored in a table for- mat. Up to 900,000 low-resolution data points can be stored in its CPU memory. Storage capacity can be increased by using a PC or CompactFlash card. CR5000 Measurement and Control System The CR5000 Measurement and Control System is a self-contained, low power, rugged datalogger that is capable of a maximum throughput of 5 kHz. S tandard operating range is -25° to +50°C; an optional extended range of -40° to +85°C is available. Keyboard—allows on-site program editing and command entries. 128 x 64 Backlit LCD— provides a graphical or 8-line numeric data display. Computer RS-232—provides a ted DCE port. 9-pin electrically isola CS I/O Port—connects data transfer peripherals. PCMCIA Card Slot—accepts a single Type I, Type II, or Type III card or the CFI adapter and a CompactFlash card. Removable Input/ Output Connections— Individually confi gured for ratiometric resistive bridge, thermocouple, switch closure, high frequency pulse, low- level ac, serial sensors, and more. {

Twenty diff erential (40 single-ended) input channels support fi ve full-scale ranges (±20 mV to ±5000 mV) at 16-bit measurement resolution. Larger signal volt- ages are accommodated with precision 2:1 and 10:1 input voltage divider modules. Pulse Counters Two 16-bit pulse channels count switch closures, low level ac pulses, and high frequency square waves. Switched Excitation Outputs Four switched voltage and four switched current outputs provide precision excitation for ratiometric sensor/bridge measurements. Digital I/O Ports Eight ports have multiple functions including digi- tal control output, interrupt, pulse counting, switch closure, frequency/period measurements, and edge timing communication. One other port is dedicated for SDI-12 measurements, and three additional ports are dedicated for measuring SDM devices. Continuous Analog Outputs Two continuous analog outputs provide voltage levels to displays or proportional controllers. RS-232 Port Th e RS-232 port is for connecting a PC, serial sensor, or RS-232 modem. Th e PC attaches to the CR5000 via an RS-232 cable—no interface required. Th is port isolates the PC’s electrical system from the datalogger, thereby protecting against ground loops, normal static discharge, and noise. CS I/O Port Many communication devices connect with the CR5000 via this port. A PC may also connect with this port, but an SC32B or SC-USB interface is required. Power Connections Th e continuous 5 V and 12 V terminals are for connect- ing sensors and non-Campbell Scientifi c peripherals. Two switched 12 V terminals are program controlled. Transient Protection Rugged gas tubes protect all terminal block inputs and outputs from electrical transients. Th e CR5000 is CE compliant under the European Union’s EMC Directive. PCMCIA Card Slot Th e PCMCIA card slot supports one Type I, Type II, or Type III PC Card or the CF1 adapter and one CompactFlash (CF) card. Th e card can be used to expand the CR5000’s storage capacity or transport data or programs to a PC. Th e storage capacity of Type II cards exceeds 1 GB. Type III cards provide data storage capacities exceed- ing 1 GB but may not be suitable for all environments. Campbell Scientifi c off ers CF cards that store up to 2 GB of data. Enclosures Th e CR5000 can be housed in an ENC14/16 and ENC16/18 enclosure. A CR5000 housed in a weather- resistant enclosure can collect data under extremely harsh conditions. Th e enclosure protects the CR5000 from dust, water, sunlight, or pollutants. An internal mounting plate is prepunched for easy system con- fi guration and exchange of equipment in the fi eld. Operating Temperature Ranges Standard operating range is -25° to +50°C; an extended range of -40° to +85°C is available. Th e rechargeable battery base has a diff erent temperature range (see below). Battery Base Options Rechargeable Base Th e rechargeable base includes an internal 7-Ah sealed rechargeable battery that can be charged from vehicle power, solar panels, or ac power. Operating tempera- ture range is -40° to +60°C. Low-Profi le Base (no battery) Th e low-profi le base requires a user-supplied dc source. It is preferred when the system’s power con- sumption needs a larger capacity battery or when it’s advantageous to have a thinner, lighter datalogger. MADE INUSA (11-16) V G 18V G V in DCDC18RBOOST REG ULATO R V out When using vehicle power, our DCDC18R Boost Regu- lator is used to increase the vehicle’s supply voltage to charging levels required by the CR5000.

Data Storage and Retrieval Options To determine the best option for an application, consider the accessibility of the site, availability of services (e.g., cellular phone or satellite coverage), quantity of data to collect, and desired time between data-collection sessions. Some communication options can be combined—increasing the fl exibility, convenience, and reliability of the communications. Keyboard Display Th e CR5000’s integrated keyboard display is used to program the datalogger, manually initiate data trans- fer, and display data. It displays 8 lines x 21 characters (64 x 128 pixels) and has a 16-character keyboard. Custom menus are supported allowing customers to set up choices within the datalogger program that can be initiated by a simple “toggle” or “pick list” . Direct Links A PC or laptop can be connected directly to the data- logger’s RS-232 port (no interface required). Th is port provides optical isolation. Alternatively, the PC or laptop can be connected to the CR5000’s CS I/O port via an SC32B or SC-USB interface. PC Cards or CF Cards Th e CR5000 can store data and programs on a PC card or CF card. Th e card can then be carried to a computer. Th e computer directly reads PC cards via its PCMCIA card slot. CF cards are read using either a CF1 adapter or the 17752 Reader/Writer. Please note that the CF card should be industrial-grade with a storage capacity of 2 GB or less. Ethernet Th e NL100 interface enables a CR5000 datalogger to communicate over a local network or a dedicated Internet connection via TCP/IP . Short Haul Modems Th e SRM-5A RAD Short Haul Modem supports com- munications between the datalogger and a PC via a four-wire unconditioned line (two twisted pairs). Multidrop Interface Th e MD485 intelligent RS-485 interface allows a PC to address and communicate with one or more dataloggers over a single two-twisted-pair cable. Distances up to 4000 feet are supported. Spread Spectrum Radios Spread spectrum radios provide communications between a base station computer and several fi eld sites over short distances. Line-of-sight is required. Telephone Networks Th e CR5000 can communicate with a PC using land- lines, cellular CDMA, or cellular GPRS transceivers. Telephone networks can be combined with spread spectrum radios, multidrop modems, and Ethernet interfaces, which extends the distance between data- logger and PC. Satellite Transmitters Our NESDIS-certifi ed GOES satellite transmitter sup- ports one-way communications from a Data Collection Platform (DCP) to a receiving station. A GOES satellite system transmits data from a remote weath- er station in Nevado Sajama, Bolivia, to climate researchers in the United States.

Multiplexers increase the number of sensors that can be measured by a datalogger by sequentially connecting each sensor to the datalogger. Several multiplexers can be controlled by a single datalogger. Th e CR5000 is compatible with the AM16/32B and AM25T multiplexers. Synchronous Devices for Measurement (SDMs) SDMs are addressable peripherals that expand the data- logger’s measurement and control capabilities. For example, SDMs are available to add control ports, analog outputs, pulse count channels, interval timers, or even a CANbus interface to the system. Multiple SDMs, in any combination, can be connected to one datalogger. Software Starter Soft ware Our easy-to-use starter soft ware is intended for fi rst time users or applications that don’t require sophisti- cated communications or datalogger program editing. SCWin Short Cut generates straight-forward CR5000 programs in four easy steps. PC200W allows custom- ers to transfer a program to, or retrieve data from a CR5000 via a direct communications link. At www.campbellsci.com/downloads, you can down- load starter soft ware at no charge. Our Resource CD also provides this soft ware as well as PDF versions of our brochures and manuals. Datalogger Support Soft ware Our datalogger support soft ware packages provide more capabilities than our starter soft ware. Th ese soft ware packages contains program editing, commu- nications, and display tools that can support an entire datalogger network. PC400, our mid-level soft ware, supports a variety of telemetry options, manual data collection, and data display. For programming, it includes both Short Cut and the CRBasic program editor. PC400 does not sup- port combined communication options (e.g., phone- to-RF) or scheduled data collection. RTDAQ is an ideal solution for industrial and real- time users desiring to use reliable data collection soft ware over a single telecommunications medium, and who do not rely on scheduled data collection. RTDAQ’s strength lies in its ability to handle the display of high speed data. LoggerNet is Campbell Scientific’s full-featured datalogger support soft ware. It is referred to as “full- featured” because it provides a way to accomplish almost all the tasks you’ll need to complete when using a datalogger. LoggerNet supports combined communication options (e.g., phone-to-RF) and scheduled data collection. The SDM-CAN (left of CR5000) allows a vehicle’s on-board diag- nostic system to output standardized data streams that are syn- chronized with other measurements and stored in the CR5000. Short Cut is available from our website (at no charge) and Resource CD. It is also bundled with PC200W, PC400, Logger- Net, and RTDAQ Software. Both LoggerNet and RTDAQ use View Pro to display historical data in a tabular or graphical format.

Applications

Open Path Eddy Covariance Systems Th ese systems use eddy covariance techniques to cal- culate water vapor, carbon dioxide, and heat fl ux. Below are the sensors used and their measurements:

• CSAT3A Sonic Anemometer—absolute wind and sonic temperature fl uctuations
• KH20 Hygrometer—fl uctuations of atmospheric water vapor
• EC150 Open Path Gas Analyzer—both absolute CO2 and water vapor
• FW05 Fine Wire Thermocouple—absolute temperature Th e CR5000 measures the above sensors and computes fl uxes on-line. Th e raw time-series data can be saved to a PC-card, along with processed data for later analy- sis. A PC at the site is not required. Th e CR5000’s storage capacity can be increased using PC cards. Structural and Seismic Monitoring Th e CR5000 can be used in applications ranging from simple beam fatigue analysis, to structural mechanics research, to continuous monitoring of large, complex structures. The on-board instruction set supports many algorithms and math functions that are useful for structural and seismic monitoring. The datalogger can store data as rainflow or level crossing histograms. Th e rainfl ow and level crossing algorithms can be processed for extended periods of time, not just a fi nite number of cycles. Th e datalogger’s control functions allow it to activate alarms, actuate electrical devices, or shut down equip- ment based on time or measured conditions. Typical sensors used for structural and seismic moni- toring include:
• Carlson strain meters
• Foil strain gages (set up in quarter, half, or full bridge strain confi gurations)
• Inclinometers
• Crack and joint sensors
• Tilt sensors
• Piezoresistive accelerometers
• Piezoelectric accelerometers
• Capacitive accelerometers
• Borehole accelerometers
• Servo force balance accelerometers For eddy covariance applications, the CR5000 can measure the EC150 Open-Path CO2 Analyzer, CSAT3A Sonic Anemometer, and KH20 Krypton Hygrometer then compute fl uxes on-line. Cracks in the walls of Castillo de San Marcos, Florida were in- strumented to determine their genesis and the best course for corrective action.

Vehicle Monitoring and Testing Th e versatile, rugged design and low power require- ments of the CR5000 datalogger make it well suited for vehicle monitoring. It excels in cold and hot tempera- ture, high altitude, off-highway, and cross-country performance testing. Th e CR5000 is compatible with our SDM-CAN interface. Compatible sensors oft en used for vehicle monitoring and testing include thermocouples, pressure transducers, GPS receivers, pulse pick-ups, flow transducers, potentiometers, strain gages, load cells, digital switches, accelerometers, LVDTs, and tilt sensors. Most sensors connect directly to the datalogger, eliminating costly external signal conditioning. Common measurements include:

• Suspension—strut pressure, spring force, travel, mounting point stress, defl ection, ride
• Fuel system—line and tank pressure, fl ow, temperature, injection timing
• Comfort control—ambient and supply air tempera- ture, solar radiation, fan speed, blower currents, ac on/off , refrigerant pressures, time-to-comfort
• Brakes—line pressure, pedal pressure and travel, ABS, fl uid and pad temperature
• Engine—pressure, temperature, crank position, RPM, time-to-start, oil pump cavitation
• General vehicle—chassis monitoring, road noise, traction, payload, vehicle position/ speed, steering, air bag, hot/cold soaks, wind tunnels, CANbus, wiper speed/current, vehicle electrical loads Other Applications
• HV AC Systems— measures inside and outside temperatures, fl ow rates, diff erential pressures, motor tem- peratures, and relative humidity
• Mining—monitors mine ventilation, slope stability, con- vergence, and equip- ment performance.
• Process monitoring and control—pro- vides on-line quality control while mini- mizing production downtime.
• Laboratory—can serve as a monitoring device to record parameters over time and can also be used to regulate and control test conditions.
• Aerospace/aviation—can endure the rigors of space travel and provide acceleration, structural, and equipment performance measurements.
• Utilities and energy—monitors conditions at power generation plants (hydroelectric, solar, and wind), terminals, substations, oil and gas pumping facilities, commercial and residential consumer sites, and along transmission lines. Vehicle monitoring includes not only passenger cars but loco- motives, airplanes, helicopters, tractors, buses, heavy trucks, drilling rigs, race cars, ATVs, and motorcycles. Wide operating temperature ranges, solar-, AC- or battery-powered operation, wireless communications, and reliable performance make our systems ideal for unattended monitoring. The CR5000 can monitor and control pumps, fans, and starter motors in an HVAC system. Photo courtesy Case Corporation

The CR5000 can measure one channel and store the result in 500 µs; all 40 single-ended (SE) channels can be measured in 8 ms (5 kHz aggregate rate). ANALOG INPUTS 20 differential (DF) or 40 single-ended (SE) individually configured. Channel expansion provided by AM16/32B and AM25T multiplexers. RANGES, RESOLUTION, AND TYPICAL INPUT NOISE: Basic Resolution (Basic Res) is the A/D resolution of a single conversion. Resolution of DF with input reversal is half the Basic Res. Noise values are for DF with input reversal; noise is greater with SE. Input Basic 0 Int. 250 µs Int. 20/16.7 ms Int. Rng (mV) Res (µV) (µV RMS) (µV RMS) (µV RMS ) ±5000 167 70 60 30 ±1000 33.3 30 12 6 ±200 6.67 8 2.4 1.2 ±50 1.67 3.0 0.8 0.3 ±20 0.67 1.8 0.5 0.2 ACCURACY1: ±(0.05% of reading + offset), 0° to 40°C ±(0.075% of reading + offset), -25° to 50°C ±(0.10% of reading + offset), -40° to 85°C (-XT only)

1 The sensor and measurement noise is not included and

the offsets are the following: Offset for DF w/input reversal = Basic Res + 1.0 µV Offset for DF w/o input reversal = 2Basic Res + 2.0 µV Offset for SE = 2Basic Res + 10 µV MINIMUM TIME BETWEEN VOLTAGE MEASUREMENTS: Zero Integration: 125 µs 250 µs Integration: 475 µs 16.7 ms Integration: 19.9 ms 20 ms Integration: 23.2 ms INPUT LIMITS: ±5 V DC COMMON MODE REJECTION: >100 dB with input reversal (>80 dB without input reversal) NORMAL MODE REJECTION: 70 dB @ 60 Hz when using 60 Hz rejection SUSTAINED INPUT VOLTAGE W/O DAMAGE: ±16 Vdc INPUT CURRENT: ±2 nA typ., ±10 nA max. @ 50°C INPUT RESISTANCE: 20 Gohms typical ACCURACY OF BUILT -IN REFERENCE JUNCTION THERMISTOR (for thermocouple measurements): ±0.7°C, -40° to 85°C (-XT only) ANALOG OUTPUTS 4 switched voltage; 4 switched current; 2 continuous voltage; switched outputs active only during measure- ments, one at a time. RANGE: Voltage outputs programmable between ±5 V; current outputs programmable between ±2.5 mA RESOLUTION: 1.2 mV for voltage outputs; 0.6 µA for current outputs ACCURACY: ±10 mV for voltage outputs; ±10 µA for current outputs CURRENT SOURCING: 50 mA for switched voltage; 15 mA for continuous CURRENT SINKING: 50 mA for switched voltage; 5 mA for continuous (15 mA w/selectable option) COMPLIANCE VOLTAGE: ±5 V for switched current excitation RESISTANCE MEASUREMENTS Provides voltage ratio measurements of 4- and 6-wire full bridges, and 2-, 3-, 4-wire half bridges. Direct resis- tance measurements available with current excitation. Dual-polarity excitation is recommended. VOLTAGE RATIO ACCURACY 2: Assumes input and excitation reversal and an excitation voltage of at least 2000 mV. ±(0.04% Reading + Basic Res/4) 0° to 40°C ±(0.05% Reading + Basic Res/4) -25° to 50°C ±(0.06% Reading + Basic Res/4) -40° to 85°C (-XT) ACCURACY2 WITH CURRENT EXCITATION: Assumes input and excitation reversal, and an excitation current, I x, of at least 1 mA. ±(0.075% Reading + Basic Res/2I x) 0° to 40°C ±(0.10% Reading + Basic Res/2I x) -25° to 50°C ±(0.12% Reading + Basic Res/2Ix) -40° to 85°C (-XT) 2 The sensor and measurement noise is not included . PERIOD AVERAGING MEASUREMENTS The average period for a single cycle is determined by measuring the duration of a specified number of cycles. Any of the 40 SE analog inputs can be used; signal attenuation and ac coupling may be required. INPUT FREQUENCY RANGE: Input Signal (peak to peak) Min. Max Range Min. Max 3 Pulse W. Freq . ±5000 600 mV 10 V 2.5 µs 200 kHz ±1000 100 mV 2.0 V 5.0 µs 100 kHz ±200 4 mV 2.0 V 25 µs 20 kHz 3 Maximum signals must be centered around datalogger ground. RESOLUTION: 70 ns/number of cycles measured ACCURACY: ±(0.03% of Reading + Resolution) PULSE COUNTERS Two 16-bit inputs selectable for switch closure, high frequency pulse, or low-level ac. MAXIMUM COUNT: 4 x 109 SWITCH CLOSURE MODE: Minimum Switch Closed Time: 5 ms Minimum Switch Open Time: 6 ms Max. Bounce Time: 1 ms open w/o being counted HIGH-FREQUENCY PULSE MODE: Maximum Input Frequency: 400 kHz Maximum Input Voltage: ±20 V Voltage Thresholds: Count upon transition from below 1.5 V to above 3.5 V at low frequencies. Larger input transitions are required at high frequencies because of 1.2 µs time constant filter. LOW-LEVEL AC MODE: Internal ac coupling removes dc offsets up to ±0.5 V. Input Hysteresis: 15 mV Maximum ac Input Voltage: ±20 V Minimum ac Input Voltage: Sine wave (mV RMS) Range (Hz) 20 1.0 to 1000 200 0.5 to 10,000 1000 0.3 to 16,000 DIGITAL I/O PORTS 8 ports selectable as binary inputs or control outputs. OUTPUT VOLTAGES (no load): high 5.0 V ±0.1 V; low < 0.1 V OUTPUT RESISTANCE: 330 ohms INPUT STATE: high 3.0 to 5.3 V; low -0.3 to 0.8 V INPUT RESISTANCE: 100 kohms SWITCHED 12 V Two independent 12 V unregulated sources switched on and off under program control. Thermal fuse hold current = 900 mA @ 20°C, 650 mA @ 50°C, 360 mA @ 85°C. EMI and ESD PROTECTION The CR5000 is encased in metal and incorporates EMI filtering on all inputs and outputs. Gas discharge tubes provide robust ESD protection on all terminalblock inputs and outputs. The following European CE stan- dards apply. EMC tested and conforms to BS EN61326:1998. Details of performance criteria applied are available upon request. Warning: This is a Class A product. In a domestic environment this product may cause radio interference in which case the user may be required to correct the interference at the user’s own expense. CPU AND INTERFACE PROCESSOR: Hitachi SH7034 MEMORY: Battery-backed SRAM provides 2 Mbytes for data and operating system use with 128 kbytes reserved for program storage. Expanded data storage with PCMCIA type I, type II, or type III card, or CF card (requires an adapter). DISPLAY: 8-line-by-21 character alphanumeric or 128 x 64 pixel graphic LCD display w/backlight. SERIAL INTERFACES: Optically isolated RS-232 9-pin DCE port for computer or non-CSI modem connection. CS I/O 9-pin port for Campbell Scientific peripherals. BAUD RATES: Selectable from 1,200 to 115,200 bps. ASCII protocol is eight data bits, one start bit, one stop bit, no parity. CLOCK ACCURACY: ±1 minute per month, -25° to +50°C; ±2 minute per month, -40° to +85°C SYSTEM POWER REQUIREMENTS VOLTAGE: 11 to 16 Vdc TYPICAL CURRENT DRAIN: 400 µA software power off; 1.5 mA sleep mode; 4.5 mA at 1 Hz (200 mA at 5 kHz) sample rate. INTERNAL BATTERIES: 7 Ah rechargeable base (optional); 1650 mAh lithium battery for clock and SRAM backup, 10 years of service typical, less at high temperatures. EXTERNAL BATTERIES: 11 to 16 Vdc; reverse polarity protected. PHYSICAL SPECIFICATIONS Terminal strips extend 0.4” (1.0 cm). WEIGHT: 4.5 lbs (2.0 kg) with low-profile base; 12.2 lbs (5.5 kg) with rechargeable base WARRANTY 3 years against defects in materials and workmanship. Copyright © 2000, 2012 Campbell Scientifi c, Inc. Printed February 2012 Electrical specifi cations are valid over a -25° to +50°C range unless otherwise specifi ed; non-condensing environment required. To maintain electrical specifi cations, Campbell Scientifi c recommends recalibrating dataloggers every two years. We recommend that you confi rm system confi guration and critical specifi cations with Campbell Scientifi c before purchase. Campbell Scientific, Inc. | 815 W 1800 N | Logan, UT 84321-1784 | (435) 227-9000 | www.campbellsci.com AUSTRALIA | BRAZIL | CANADA | COSTA RICA | ENGLAND | FRANCE | GERMANY | SOUTH AFRICA | SPAIN | USA