Rockwell Automation 1785-KA5P/B DHP COMM. ADAPATER MOD. User 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