Rockwell Automation RECOMM-IBUS Interbus Communications Module - Manual (Page 75)

Using Explicit Messaging (PCP Communications) 7-15
In the sample ladder logic program, the user would load these
registers before calling the subroutine to perform the PCP Write:
Message
CR# = 2 (Station 1.0) N23:0 Request 2 2
SLC Addr
ess
D
es
cr
iption
Va
lu
e
(H
ex)
N23:1 1 1= 20-COMM-I 1
Va
lu
e
(D
ec
)
N23:2 12 12 Parameter # = 12
N23:3
N23:4
N23:5
4
0
2048
4
0
800
4 byte data write
Data Word 1 = 0
Data Word 2 = 2048
1 = RECOMM-IBUS