Rockwell Automation 1747-KE,D17476.12 DH-485/RS-232C Interface Module - Manual (Page 94)

Publication 1747-UM005B-EN-P - March 2006
8-6 Application Examples
Copy DH±485 Config
to the module.
Config handshake
bit to the module. Config handshake
ACK bit from the module.
Config handshake
bit to the module.
EQU
EQUAL
Source A
N10:0
0
Source B 1
COP
COPY FILE
Source
#N10:20
Dest #O:1.0
Length 8
Rung
2:3
This rung copies a new DH±485 Config block to the interface module.
( )
O:1
14
L
14
]/[
O:1
14
]/[
I:1
EQU
EQUAL
Source A
N10:0
0
Source B 1
COP
COPY FILE
Source
#I:1.0
Dest #N11:20
Length 8
Rung
2:4
This rung checks the Modem Init String (1±14) from the interface module.
( )
O:1
14
U
14
] [
O:1
14
] [
I:1
ADD
ADD
Source A
N10:0
0
Source B 1
Dest N10:0
0
MEQ
MASKED EQUAL
Source
N11:20
0
Mask 07F0
Compare 0
Copy Config from
the module.
Config handshake
bit to the module. Config handshake
ACK bit from the module.
Config handshake
bit to the module.
Check status and
point to next
Config block.
EQU
EQUAL
Source A
N10:0
0
Source B 2
COP
COPY FILE
Source
#N10:30
Dest #O:1.0
Length 8
Rung
2:5
This rung copies a new Modem Init String (1±14) Config block to the module.
( )
O:1
14
L
14
]/[
O:1
14
]/[
I:1
Copy Modem Init
String (1±14) Config
to the module.
Config handshake
bit to the module. Config handshake
ACK bit from the module.
Config handshake
bit to the module.