User guide

Installing the 1785KA5
Communication Adapter Module
Chapter 2
2-4
Setting the DH485 Baud Rate
Set switches 6-8 of SW-1 to the DH485 baud rate as follows:
To set this baud rate Set switch 6 to Set switch 7 to Set switch 8 to
300 0 0 0
600 0 0 1
1200 0 1 0
2400 0 1 1
4800 1 0 0
9600 1 0 1
19200 1 1 0
RESERVED 1 1 1
SW2: Auto Routing and DH+ Station Address
The module has an auto routing feature that broadcasts an information
packet over the Data Highway network every 30 seconds.
The following illustration shows the only two network configurations
that you must use auto routing with:
Data Highway Plus
DH485
DH485
1785KA51785KA5
SLC5/03
SLC5/03
PLC5 PLC5
Desired
Communication
DH+
DH485
1785KA5
PLC5
Desired
Communication
PLC5
1785KA5
DH+