User guide

Communication Capabiliites
80
890 USE 108 00 August 2001
Modbus Plus Communications A984-145, E984-245/255
Modbus Plus
Addressing
Each node on a Modbus Plus network must be assigned a unique address in the
range 1 ... 64 using switches 1 ... 6 on the addressing DIP switch on the top front of
the A984-145, E984-245/255 bezel.
6-Position DIP
Switch-Node
Addressing
This is location of the DIP switch.
The following table shows the actual Modbus Plus Node Address Settings for the
A984-145, E984-245/255 PLC switches.
Address Switch Positions
12 3 4 5 678
8
6
5
4
3
2
1
7
Switches Shown in
OFF Position
R = OFF
L = ON
L R