3 sample slc ladder logic program – Rockwell Automation DeviceNet Communications Module User Manual
Page 57
Using I/O Messaging
6-9
6.5.3 Sample SLC Ladder Logic Program
Figure 6.6 – Sample SLC Ladder Logic Program
SLC 5/03 example program with an MD65 at DeviceNet node address 1.
This rung enables the scanner (changes the scanner to RUN mode).
0000
O:1
0
1747-SDN
1747-SDN
Scanner
Enable bit
This section of rungs control the Logic Command bits for the MD65 drive. The
B3:0 bits would be controlled elsewhere in the user program.
0001
B3:0
0
Node 1
Stop
Command
O:1
16
1747-SDN
Node 1
Logic Command
STOP
0002
B3:0
1
Node 1
Start
Command
O:1
17
1747-SDN
Node 1
Logic Command
START
0003
B3:0
2
Node 1
Jog
Command
B3:0
0
Node 1
Stop
Command
O:1
18
1747-SDN
Node 1
Logic Command
JOG
0004
B3:0
3
Node 1
Clear Faults
Command
O:1
19
1747-SDN
Node 1
Logic Command
CLEAR FAULTS
0005
B3:0
4
Node 1
Forward
Command
O:1
20
1747-SDN
Node 1
Logic Command
FORWARD
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