Appendix Technical Specifications
ETC ONE PLUS Network Communicator
29
Baud rate: up to 115.2 kbps.
Protocols: Modbus RTU, Master/Slave
Torque terminal screw: 0.5-0.7 Nm.
Wire size: 14 AWG (up to 1.5 mm2)
COM2
Ethernet Port (Optional module)
Transformer-isolated 10/100BaseT Ethernet port
Protocols: MODBUS/TCP (Port 502
Number of simultaneous connections: 4
Connector type: RJ45 modular.
3G Cellular Port (Optional module)
2G/3G
–
GSM Network
Protocols: MODBUS/TCP (Port 502)
Number of simultaneous connections: 4
Antenna Connector type: SMA.
RS-232/422-485 Port (Optional module)
RS-232 or RS-422/485 optically isolated port
Isolation: 3000V AC 1 min
Baud rate: up to 115.2 kbps.
Protocols: MODBUS RTU, Slave
Connector type: removable, 5 pins for RS-422/485 and DB9 for RS-232.
Torque terminal screw: 0.5-0.7 Nm.
Real-time Clock
Standard Meter Clock
Crystal Clock Accuracy: typical error 13.15 sec per month (2.63 minutes per
year) @ 25
C (±5ppm)
Typical clock retention time: 15 months