Rockwell Automation 865 Differential Protection Relay User Manual
Page 129
Communications
7-3
865-UM001A-EN-P – July 2009
Table 7.1 – Local Port X4 Parameters
Parameter
Value
Unit
Description
Note
Protocol
None
SpaBus
ProfibusDP
ModbusSla
ModbusTCPs
IEC-103
ExternalIO
DNP3
DeviceNet
Protocol selection for the rear panel
local port.
Command line interface for
SetPointPS
SPA-bus (slave)
Profibus DB (slave)
Modbus RTU slave
Modbus TCP slave
IEC-60870-5-103 (slave)
Modbus RTU master for external I/O-
modules
DNP 3.0
Set
Msg# 0
...
2
32
–1
Message counter since the device
has restarted or since last clearing
Clr
Errors 0
...
2
16
–1
Protocol errors since the device has
restarted or since last clearing
Clr
Tout 0
...
2
16
–1
Timeout errors since the device has
restarted or since last clearing
Clr
speed/DPS
Default =
38400/8N1 for
SetPointPS
Display of actual communication
parameters.
speed = bit/s
D = number of data bits
P = parity: none, even, odd
S = number of stop bits
SetPointPS communication (Direct or SPA-bus embedded command line interface)
Tx
bytes/size
Unsent bytes in transmitter
buffer/size of the buffer
Msg# 0
...
2
32
–1
Message counter since the device
has restarted or since last clearing
Clr
Errors 0
...
2
16
–1
Errors since the device has restarted
or since last clearing
Clr
Tout 0
...
2
16
–1
Timeout errors since the device has
restarted or since last clearing
Clr
Set = An editable parameter (password needed)
Clr = Clearing to zero is possible
The communication parameters are set in the protocol specific menus. For the local port
command line interface the parameters are set in configuration menu.