Siemens SICAM P 7KG7750 - Communication Interface (Connector J)

8
8.1 SICAM P 7KG7750
137Power Meter SICAM P 7KG7750/55, Manual
E50417-B1076-C340-A6, Edition 09.2013
Analog inputs (Connector Block A, optional)
Analog outputs (Connector Block A, optional)
Relay outputs (Connector Block A, optional)
8.1.1.3 Communication Interface (Connector J)
Recommended termination of the RS485 Interface see chapter 1.6.3.
Measuring range DC 0 mA to 20 mA
Input range DC 0 mA to 24 mA
Input resistance 50 Ω ± 0.1 %
Accuracy 0.5 % of the measuring range limit
Output current DC 0 mA to 20 mA
Output range DC 0 mA to 24 mA
Max. load resistance 250 Ω
Accuracy 0.2 % (typical); max. 0.5 % of the nomi-
nal value
Max. switching voltage AC 150 V; DC 150 V
Max. permanent current AC 5 A; DC 5 A
Min. permanent current 1 mA at DC 5 V
Rating (resistive) AC 5 A/150 V or DC 5 A/30 V
Max. response time 10 ms
Max. release time 7 ms
Connection Terminal side, 9-pin D-sub socket
RS485
Protocol PROFIBUS DP-V1
Baud rate 9600 bit/s to 12 Mbit/s
Protocol IEC 60870-5-103
Baud rate 9600 bit/s, 19 200 bit/s, 38 400 bit/s
Protocol Modbus RTU/ASCII
Baud rate 300 bit/s, 600 bit/s, 1200 bit/s,
2400 bit/s, 4800 bit/s, 9600 bit/s,
19 200 bit/s, 38 400 bit/s, 57 600 bit/s,
115 200 bit/s