Rockwell Automation 20-COMM-P Profibus Adapter - Manual (Page 63)

Using I/O Messaging 5-13
Figure 5.6 Example SLC Ladder Logic - Station 1 Program
SLC Ladder Logic Example - Station 1 Program
Controlling the Logic Command word in the drive. B3:20 /* bits are controlled elsewhere in the user program.
0000
B3:20
1
Station 1
Start
Command
N20:0
1
Station 1
Logic Command
START
0001
B3:20
0
Station 1
Stop
Command
N20:0
0
Station 1
Logic Command
STOP
0002
B3:20
2
Station 1
Jog
Command
N20:0
2
Station 1
Logic Command
JOG
0003
B3:20
3
Station 1
Clear Faults
Command
N20:0
3
Station 1
Logic Command
CLEAR FAULTS
0004
B3:20
4
Station 1
Reverse
Command
N20:0
4
Station 1
Logic Command
FORWARD
0005
B3:20
4
Station 1
Reverse
Command
N20:0
5
Station 1
Logic Command
REVERSE
Station 1 Speed Reference
PowerFlex 70 Speed Ref A Sel (Pr.90) needs to be set to 'DPI Port 5'.
N19:1 is controlled elsewhere in the user program.
0006
MOV
Move
Source
N19:1
8192 <
Dest
N20:1
8192 <
MOV
Station 1
Speed Reference
20COMM-UM006A-EN-P.book Page 13 Friday, September 28, 2001 10:43 AM