Laurel Electronics LTE: Ethernet & 4-20 mA Output Transmitter for Resistance in Ohms - Manual (Page 2)

LAUREL ELECTRONICS INC., 3183-G Airway Ave., Costa Mesa, CA 92626, USA • Tel 714-434-6131 • www.laurels.com 2
Specifications
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
Analog Output (standard)
Output Levels
Compliance, 4-20 mA
Compliance, 0-10V
Output Resolution
Output Accuracy
Output Isolation
Step Response Time 0-20 mA or 0-10 Vdc (selectable)
10V ( 0-500Ω load )
2 mA ( 5 kΩ load )
16 bits (65,536 steps)
0.02% of output span plus conversion accuracy
250V rms working, 2.3 kV rms per 1 minute test
50 ms
Serial Communications (standard)
Type
Data Rates
Output Isolation
Serial Protocols
Modbus Compliance
Digital Addresses 10/100Base-T Ethernet per IEEE 802.3
300, 600, 1200, 2400, 4800, 9600, 19200 baud
250V rms working, 2.3 kV rms per 1 min test
Modbus TCP, Modbus RTU, Modbus ASCII, Laurel ASCII
Modbus over Serial Line Specification V1.0 (2002)
247 for Modbus, 31 for Laurel ASCII
Dual Relay Output (standard)
Relay Type
Load Rating Two solid state relays, SPST, normally open, Form A
120 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, 3W with max excitation output
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.