Modbus & Serial Output Transmitter for AC RMS Voltage or Current Input

Responds in 1 power line cycle response with 0.1% accuracy. DIN Rail mounted, digitally programmable.
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4-20 mA Current Transmitters for AC RMS Voltage or Current
Key Features
  • True AC RMS measurement in one 50/60 Hz AC line cycle
  • AC plus DC, or AC-coupled input, jumper selectable
  • 0.2, 2, 20, 200, 300V & 600V voltage ranges
  • 2, 20, 200 mA and 5A AC RMS current ranges
  • Accuracy 0.1% of full scale from 0% to 100% of FS, 10 Hz to 10 kHz
  • All input ranges selectable & factory calibrated
  • Crest factor of 3.0 at full scale input
  • RS232 or RS485 serial output, half or full duplex, isolated
  • Modbus RTU, Modbus ASCII or Laurel ASCII protocol

Laureate Modbus & Serial Output Transmitter for AC RMS Voltage or Current Input

AC RMS Input Range Resolution Input Ohms Error at 25°C
Voltage Ranges
0% to 100% of FS,
10 Hz to 10 kHz
200.00 mV
2.0000 V
20.000 V
200.00 V
10 µV
100 µV
1 mV
10 mV
1 MΩ ± 0.1% of FS
600.0 V 100 mV 1 MΩ ± 0.3% of FS
Current Ranges
0% to 100% of FS,
10 Hz to 10 kHz
2.0000 mA
20.000 mA
200.00 mA
0.1 µA
1 µA
10 µA
100 Ω
10 Ω
1 Ω
± 0.1% of FS
5.000 A 1 mA 0.01 Ω ± 0.4% of FS
Input Resolution
A/D Conversion Ratae
Max applied voltage
Over-current protection
AC RMS Crest Factor
16 bits (65,536 steps)
50/sec at 50 Hz power, 60/sec at 60 Hz power
600 Vac for 20, 200, 600V ranges, 50 Vac other anges
25x for 2 mA, 8x for 20 mA, 2.5x for 200 mA, 1x for 5A
3.0x at 100% of full scale
Analog Output (standard)
Output Levels
Compliance, 4-20 mA
Compliance, 0-10V
Output Resolution
Output Accuracy
Output Isolation
Update Rate, > 50/60 Hz
Update Rate, 3 to 50/60 Hz
Update Rate, DC to 3 Hz
4-20 mA, 0-20 mA, 0-10 Vdc (jumper selectable)
10V ( 0-500Ω load )
2 mA ( 5 kΩ 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
60/s at 60 Hz power, 50/s at 50 Hz power
One signal cycle
Every 3.333 ms
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
Serial Communications (standard)
Signal Types
Data Rates
Output Isolation
Serial Protocols
Modbus Modes
Modbus Compliance
Digital Addressing
RS232 or RS485 (half or full duplex)
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.
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
2 W
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 Requirement
0°C to 55°C
-40°C to 85°C
95% at 40°C, non-condensing
Leave 6 mm (1/4") between transmitters, or force air with a fan.
Pinouts
Laureate Modbus & Serial Output Transmitter for DC Voltage or Current Input

Pinout for resistance transmitter

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