SATEC PM174 Manual - Manual (Page 131)

Appendix A Technical
Specifications
Series PM174 Powermeters 131
Update time: 1 cycle
Communication Ports
COM1 (Optional modules)
Serial EIA RS-232 optically isolated port
Isolation: 2,000 V RMS
Connector type: DB9 female.
Baud rate: up to 115.2 kbps.
Supported protocols: Modbus RTU, Modbus ASCII and DNP3.
RS-422/RS-485 optically isolated port
Isolation: 2,000 V RMS
Connector type: DB9 female.
Baud rate: up to 115.2 kbps.
Supported protocols: Modbus RTU, Modbus ASCII and DNP3.
Ethernet Port
Transformer-isolated 10/100BaseT Ethernet port.
Connector type: RJ45 modular.
Supported protocols: Modbus/TCP (Port 502), DNP3/TCP
(Port 20000), GE EGD producer.
Number of simultaneous connections: 4 (4 Modbus/TCP or 2
Modbus/TCP + 2 DNP3/TCP).
Dial-up Modem
Transformer-isolated internal 56K modem.
Connector type: RJ11.
Supported protocols: Modbus RTU, Modbus ASCII and DNP3.
Profibus DP (IEC 61158)
RS-485 optically isolated Profibus interface.
Connector Type: DB9 female.
Baud Rate: 9600 bit/s – 12 Mbit/s (auto detection).
32 bytes input, 32 bytes output.
Supported Protocols: PROFIBUS.
COM2
RS-422/RS-485 optically isolated port
Isolation: 2,000 V RMS
Connector type: removable, 5 pins.
Wire size: up to 14 AWG (up to 1.5 mm
2 ).
Baud rate: up to 115.2 kbps.
Supported protocols: Modbus RTU, Modbus ASCII and DNP3.
Real-time Clock
Accuracy: typical error 30 seconds per month @ 25 ° C
Log Memory
Onboard memory with battery backup: 1 Mbytes.
Display Module
Display: high-brightness seven-segment digital LEDs, two 4-
digit + one 6-digit windows