Modbus & Serial Output Transmitter for Resistance Input in Ohms

Exceptional accuracy at high update rates.DIN Rail mounted, digitally programmable.
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Modbus Transmitter for Resistance in Ohms
Key Features
  • Five precalibrated resistance input ranges from 20.000 Ω to 200.00 kΩ
  • 1 mΩ resolution on 20 Ω scale
  • Exceptional accuracy and repeatability
  • 2, 3 or 4-wire connection with lead resistance compensation
  • RS232 or RS485 serial communications, half or full duplex, isolated
  • Modbus RTU, Modbus ASCII or Laurel ASCII protocol
Laureate Modbus & Serial Output Resistance Transmitter

Range Resolution Accuracy Excitation Current
0-20.000 Ω
0-200.00 Ω
0-2000.0 Ω
0-20000 Ω
0-200.00 kΩ
1 mΩ
10 mΩ
100 mΩ
1 Ω
10 Ω

±0.01% of range
± 2 counts

5 mA
500 µA
50 µA
5 µA
500 nA

Signal Input
Input Resolution
Input Accuracy
Update Rate, Max
16 bits (65,536 steps)
±0.01% of full scale ± 2 counts
50/sec at 50 Hz, 60/sec at 60 Hz
Serial Communications (standard)
Signal Types
Data Rates
Output Isolation
Serial Protocols
Modbus Modes
Modbus Compliance
Digital Addressing
RS232 (default) or RS485, 2 or 4-wire (user selectable)
300, 600, 1200, 2400, 4800, 9600, 19200 baud
250V rms working, 2.3 kV rms per 1 min test
Modbus RTU, Modbus ASCII, Laurel ASCII
RTU or ASCII
Modbus over Serial Line Specification V1.0 (2002)
247 Modbus addresses.
Up to 32 devices on an RS485 line w/o a repeater.
Analog Output (standard)
Output Levels
Compliance, 4-20 mA
Compliance, 0-10V
Output Resolution
Output Accuracy
Output Isolation
4-20 mA, 0-20 mA, 0-10 Vdc (jumper selectable)
10V ( 0-500 ohm load )
2 mA ( 5 kOhm load or higher)
16 bits (65,536 steps)
0.02% of output span plus conversion accuracy
250V rms working, 2.3 kV rms per 1 minute test
Dual Relay Output (standard)
Relay Type
Load Rating
Two solid state relays, SPST, normally open, Form A
130 mA at 140 Vac or 180 Vdc
Power Input
Standard Power
Low Power Option
Power Frequency
Power Isolation
Power Consumption
85-264 Vac or 90-300 Vdc (DC operation not UL approved)
10-48 Vdc or 12-32 Vac
DC or 47-63 Hz
250V rms working, 2.3 kV rms per 1 min test
2W typical
Mechanical
Dimensions
Mounting
Electrical Connections
129 x 104 x 22.5 mm case
35 mm rail per DIN EN 50022
Plug-in screw-clamp connectors
Environmental
Operating Temperature
Storage Temperature
Relative Humidity
Cooling Required
0°C to 55°C
-40°C to 85°C
95% at 40°C, non-condensing
Mount transmitters with ventilation holes at top and bottom.
Leave 6 mm (1/4") between transmitters, or force air with a fan.

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