Rockwell Automation 865 Differential Protection Relay User Manual
Page 39

Local Panel User Interface
2-27
865-UM001A-EN-P – July 2009
Protocol Menu Bus
There are three communication ports in the rear panel. In
addition there is a connector in the front panel overruling the
local port in the rear panel.
REMOTE PORT X5
•
Communication protocol for remote port X5 [Protocol].
•
Message counter [Msg#]. This can be used to verify that the
device is receiving messages.
•
Communication error counter [Errors].
•
Communication time-out error counter [Tout].
•
Information of bit rate/data bits/parity/stop bits.
This value is not directly editable. Editing is done in the
appropriate protocol setting menus.
The counters are useful when testing the communication.
LOCAL PORT X4 (pins 2, 3 and 5)
This port is disabled, if a cable is connected to the front panel
connector.
•
Communication protocol for the local port X4 [Protocol]. For
SetPointPS use "None" or "SPABUS".
•
Message counter [Msg#]. This can be used to verify that the
device is receiving messages.
•
Communication error counter [Errors].
•
Communication time-out error counter [Tout].
•
Information of bit rate/data bits/parity/stop bits.
This value is not directly editable. Editing is done in the
appropriate protocol setting menus. For SetPointPS and protocol
"None" the setting is done in menu CONF/DEVICE SETUP.
PC (LOCAL/SPA BUS)
This is a second menu for local port X4. The SetPointPS
communication status is showed.
•
Bytes/size of the transmitter buffer [Tx].
•
Message counter [Msg#]. This can be used to verify that the
device is receiving messages.
•
Communication error counter [Errors]
•
Communication time-out error counter [Tout].
•
Same information as in the previous menu.