Satec PM130 PLUS Series - Communication Ports; Real-Time Clock

Appendix A Technical Specifications Communication Ports
PM130 PLUS Powermeter Series_Installation Operation and Manual 150
A.8 Communication Ports
COM1
RS-485 optically isolated port
Isolation: 3000 VAC 1 min
Baud rate: up to 115.2 kbps.
Supported protocols: Modbus RTU, DNP3, and SATEC ASCII.
Connector type: removable, 3 pins.
Wire size: up to 14 AWG (up to 1.5 mm2).
COM2 (Optional module)
Ethernet Port
Transformer-isolated 10/100BaseT Ethernet port.
Supported protocols: Modbus/TCP (Port 502), DNP3/TCP (Port 20000).
Number of simultaneous connections: 4 (2 Modbus/TCP + 2 DNP3/TCP).
Connector type: RJ45 modular.
Profibus DP (IEC 61158)
RS-485 optically isolated Profibus interface.
Connector type: removable, 5 pins.
Baud rate: 9600 bit/s – 12 Mbit/s (auto detection).
32 bytes input, 32 bytes output.
Supported protocols: PROFIBUS.
RS-232/422-485 Port
RS-232 or RS-422/485 optically isolated port
Isolation: 3000 VAC 1 min
Baud rate: up to 115.2 kbps.
Supported protocols: Modbus RTU, DNP3, and SATEC ASCII.
Connector type: removable, 5 pins for RS-422/485 and DB9 for RS-232.
Wire size: up to 14 AWG (up to 1.5 mm2).
A.9 Real-time Clock
Standard Meter Clock
Non-backed clock
Accuracy: typical error 1 minute per month @ 25C
Typical clock retention time: 30 seconds
TOU Module Meter Clock
Battery-backed clock
Accuracy: typical error 7 seconds per month @ 25C (±2.5ppm)
Typical clock retention time: 36 months