Protocol Menu Bus - Allen-Bradley Rockwell Automation 857 User Manual

Protocol Menu Bus

There are three communication ports in the rear panel. The
availability depends on the communication options (see chapter
Ordering code in the technical description). 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. For SETPOINTPS and
protocol "None" the setting is done in menu CONF/DEVICE
SETUP.
LOCAL PORT
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.
Local Panel User Interface
857-UM001A-EN-P – July 2009
2-29