User guide
most significant octal digit = 1
least significant octal digit = 7
Installing the 1785KA5
Communication Adapter Module
Chapter 2
2-3
SW1: DH485 Station Address and DH485 Baud Rate
Use switch assembly SW-1 to select the DH485 station address and baud
rate for the 1785-KA5 module. The following sections show you how.
Setting the DH485 Station Address
Set switches 1-5 of SW-1 to the DH485 station address for the 1785-KA5.
Valid addresses are 0-31 decimal or 0-37 octal. Set the switches as
follows:
Most significant octal digit (switches 12)
To set to Set switch 1 to Set switch 2 to
0 0 0
1 0 1
2 1 0
3 1 1
Least significant octal digit (switches 35)
To set to Set switch 3 to Set switch 4 to Set switch 5 to
0 0 0 0
1 0 0 1
2 0 1 0
3 0 1 1
4 1 0 0
5 1 0 1
6 1 1 0
7 1 1 1
For example
To set the module’s DH485 station address to 15 decimal or 17 octal, set
the SW-1 switches as follows:
Set switch To
1 0
2 1
3 1
4 1
5 1