Rockwell Automation 1785-KA5P/B DHP COMM. ADAPATER MOD. - Manual (Page 18)

DH485 LINK_ID = 4
DH+ LINK_ID = 8
Installing the 1785ĆKA5
Communication Adapter Module
Chapter 2
2-7
SWĆ3: DH485 Channel LINK_ID and DH+ Channel LINK_ID
The 1785-KA5 module has two LINK_ID addresses: one for its DH485
side and one for its DH+ side. See the following table to set switches 1-8
of SW-3.
Important: Do not use a LINK_ID of 0 (zero). This address is reserved. If
you have more than one 1785-KA5 module on a single physical network,
the LINK_IDs for the two modules must be the same.
To set the DH485
LINK_ID to
Set switch 1 to Set switch 2 to Set switch 3 to Set switch 4 to
To set the DH+
LINK_ID to
Set switch 5 to Set switch 6 to Set switch 7 to Set switch 8 to
1 0 0 0 1
2 0 0 1 0
3 0 0 1 1
4 0 1 0 0
5 0 1 0 1
6 0 1 1 0
7 0 1 1 1
8 1 0 0 0
9 1 0 0 1
10 1 0 1 0
11 1 0 1 1
12 1 1 0 0
13 1 1 0 1
14 1 1 1 0
15 1 1 1 1
For example
To set the module’s DH485 LINK_ID to 4 and DH+ LINK_ID to 8, set the
switches as follows:
Set switch To
1 0
2 1
3 0
4 0
5 1
6 0
7 0
8 0