Rockwell Automation 1747-KE,D17476.12 DH-485/RS-232C Interface Module - Manual (Page 100)

Publication 1747-UM005B-EN-P - March 2006
8-12 Application Examples
TON
TIMER ON DELAY
Timer
T4:0
Time Base 0.01
Preset 4000
Accum 0
Rung
2:0
This rung provides a 40 second base timer.
Data echo timer.
(EN)
(DN)
TON
TIMER ON DELAY
Timer
T4:1
Time Base 0.01
Preset 500
Accum 0
DN
] [
T4:0
Rung
2:1
This rung provides a 5 second timer.
Start the response timeout.
Response timer.
(EN)
(DN)
COP
COPY
Source
#N10:0
Dest #O:1.0
Length 8
11
] [
T:4
Turn OFF interface
Reset bit.
Rung
2:2
This rung initializes the interface module.
Start the response timeout.
Copy test echo data to
interface module.
( )
O:1.0
12
U
0
[OSR]
B3
MOV
MOVE
Source
S:4
0
Dest N10:1
123
Get quasi random data.
Turn ON handshake bit
to interface module.
( )
O:1.0
14
L