Appendix: Technical Specifications
36
Wire Size: 12 AWG (up to 2.5 mm
2
)
Terminals Pitch: 5 mm
Update time: 1/2 cycle
Analog Inputs/Outputs (up to 3 I/O Modules)
4 Analog Inputs:
Ranges (upon order):
±
1 mA (
×
200% overload)
0-20 mA
4-20 mA
0-1 mA (
×
200% overload)
Accuracy: 0.5% FS
Scan time: 2 cycles
4 Analog Outputs:
Ranges (upon order):
±
1 mA, maximum load 10 k
Ω
(100% overload)
0-20 mA, maximum load 510
Ω
4-20 mA, maximum load 510
Ω
0-1 mA, maximum load 10 k
Ω
(
×
200% overload)
Accuracy: 0.5% FS
Wire Size: 12 AWG (up to 2.5 mm
2
)
Terminals Pitch: 5 mm
Update time: 2 cycles
Communication Ports
COM1
Serial EIA RS-232 optically isolated port
Connector Type: DB9 male.
Serial EIA RS-422/RS-485 optically isolated port
Connector Type: removable, captured-wire, 5 terminals.
Wire Size: up to 12 AWG (up to 2.5 mm
2
).
Baud Rate: up to 115,200 bps.
Supported Protocols: Modbus RTU/ASCII, DNP 3.0.
COM2
Serial EIA RS-422/RS-485 optically isolated port
Connector type: removable, captured-wire, 5 terminals.
Wire Size: up to 12 AWG (up to 2.5 mm
2
).
Baud Rate: up to 115,200 bps.
Supported Protocols: Modbus RTU/ASCII, DNP 3.0.
COM3
Serial EIA RS-485 optically isolated port with 12VDC supply voltage for the RDM.
Connector Type: removable, captured-wire, 5 terminals.
Wire Size: up to 12 AWG (up to 2.5 mm
2
).
Baud Rate: up to 115,200 bps.
Supported Protocols: Modbus RTU/ASCII, DNP 3.0.
USB Port
Non-isolated USB 1.1 port.
Wire Type: standard USB cable, max. length 2 meters.
Supported protocols: Modbus RTU.