Laurel Electronics LTE: Ethernet & 4-20 mA Transmitter for Load Cell & Microvolt Signals User Manual
Page 2
LAUREL
ELECTRONICS INC.
, 3183-G Airway Ave., Costa Mesa, CA 92626, USA • Tel 714-434-6131 • www.laurels.com 2
Specifications
Analog Input
Range
Input Ohms
Input Ohms
Load Cell Input
±20.000 mV
±50.0000 mV
±100.00 mV
±250.00 mV
±500.00 mV
-99,999 to +99,999
zero adjust.
0 to ±99,999
span adjust.
1 GΩ
Microvolt Input
±20.000 mV
±50.0000 mV
±100.00 mV
±250.00 mV
±500.00 mV
1 µV
2.5 µV
5.0 µV
12.5 µV
25 µV
1 GΩ
Input Resolution
Input Accuracy
Update Rate, Max
Max applied voltage
16 bits (65,536 steps)
±0.01% of full scale ± 2 counts
50/sec at 50 Hz, 60/sec at 60 Hz
100 V
Analog Output (standard)
Output Levels
Compliance, 4-20 mA
Compliance, 0-10V
Output Resolution
Output Accuracy
Output Isolation
Step response time
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
50 ms
Serial Communications Output (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
Transducer Excitation Output (standard)
Output Levels
Output Isolation
5V@100 mA, 10 @120 mA, 24V@50 mA (jumper selectable)
50V from signal ground
Power Input
Standard Power
Low Power Option
Power Frequency
Power Isolation
Power Consumption
85-264 Vac or 90-300 Vdc (DC operation not ETL approved)
10-48 Vdc or 12-32 Vac
DC or 47-63 Hz
250V rms working, 2.3 kV rms per 1 min test
2Watts
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