Appendix A Technical Specifications
EM13x Series SMART MULTIFUNCTION METER 147
Update time: 1 cycle
Connector type: removable, 5 pins.
A.9 Communication Ports
COM1 (standard)
RS-485 optically isolated port
Isolation: 3000V AC 1 min
Baud rate: up to 115.2 kbps.
Protocols: Modbus RTU, DNP3, SATEC ASCII and IEC 60870-5-101
Connector type: removable, 3 pins
COM2 option
Ethernet Port(Optional module)
Transformer-isolated 10/100BaseT Ethernet port
Protocols: MODBUS/TCP (Port 502), DNP3/TCP (Port 20000),
IEC 60870-5-104
Number of simultaneous connections: 4 (2 MODBUS/TCP + 2 DNP3/TCP).
Connector type: RJ45 modular.
PROFIBUS DP (IEC 61158) (Optional module)
RS-485 optically isolated PROFIBUS interface.
Connector type: removable, 5 pins.
Baud rate: 9600 bit/s – 12 Mb/s (auto detection).
32 bytes input, 32 bytes output.
Protocols: PROFIBUS
CANopen (Optional module)
RS-485 optically isolated CANopen interface.
Connector type: removable, 5 pins.
Protocols: CANopen
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, DNP3, and SATEC ASCII
Connector type: removable, 5 pins for RS-422/485 and DB9 for RS-232.
COM3 (standard)
Infra-Red COM port
Baud rate: up to 38.4 kbps.
Protocols: MODBUS RTU
A.10 Real-time Clock
Standard Meter Clock
Crystal Clock Accuracy: typical error 13.15 sec per month (2.63 minutes
per year) @ 25C (±5ppm)
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