Local serial communication port, Remote control connection, Arc protection interface (option) – Rockwell Automation 865 Differential Protection Relay User Manual
Page 173

Technical Data
10-3
865-UM001A-EN-P – July 2009
Table 10.6 – Local Serial Communication Port
Number of ports
1 on front and 1 on rear panel
Electrical connection
RS 232
Data transfer rate
1200 - 38 400 kb/s
Table 10.7 – Remote Control Connection
Number of ports
1 on rear panel
Electrical connection
TTL (standard)
RS 485 (option)
RS 232 (option)
Plastic fibre connection (option)
Glass fibre connection (option)
Ethernet 10 Base-T (option, external module)
Data transfer rate
1 200 - 19 200 kb/s
Protocols
Modbus, RTU master
Modbus‚ RTU slave
Spabus,
slave
IEC
60870-5-103
Profibus DP (option)
Modbus TCP (option, external module)
Table 10.8 – Arc Protection Interface (Option)
Number of arc sensor inputs
2
Sensor type to be connected
VA 1 DA
Operating voltage level
12 V dc
Current drain, when active
> 11.9 mA
Current drain range
1.3…31 mA (NOTE: If the drain is outside the range,
either sensor or the wiring is defected)
Number of binary inputs
1 (optically isolated)
Operating voltage level
+48 V dc
Number of binary outputs
1 (transistor controlled)
Operating voltage level
+48 V dc
NOTE: Maximally three arc binary inputs can be connected to one arc binary output without
an external amplifier.