Appendix C—Communication Mode Change
S
WITCHING BETWEEN
BAC
NET AND
M
ODBUS
M
ODE
Changing Communication Mode
Using ViewPoint
Using ViewPoint is the preferred way to change communications modes between Modbus and BACnet.
Note:
The baud rate and serial settings may need to change between Modbus and BACnet.
If communication fails, see the section
Changing Baud Rate or Communication Mode using Address
Switches (between Modbus and BACnet)
on the next page.
Changing the PowerScout from
Modbus to BACnet mode:
1)
Connect to the PowerScout using ViewPoint™.
2)
Go to the Read/Write Registers tab in ViewPoint™.
3)
Enter
44612
into the
Register
field or click
List
to select
from the Register Picker List.
4)
In the
New Value
field, enter
1833
to change to BACnet
mode.
5)
Click
Write
.
The status should say “Writing Value…”
Return to the Communications tab and connect.
Changing the PowerScout from
BACnet to Modbus mode:
1)
Connect to the PowerScout using ViewPoint™.
2)
Go to the Read/Set Objects tab in ViewPoint™.
3)
Enter
10190
into the
Object
field or click
List
to select
from the Object Picker List.
4)
In the
New Value
field, enter
375
to change to Modbus
mode.
5)
Click
Write
.
The status should say “Writing Value…”
Return to the Communications tab and connect.
60
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