Rockwell Automation MD65 Profibus Communication Card - Manual (Page 89)

SLC Ladder Logic Examples D-3
D.1.2 Drive 0 Control/Reference/Parameter Access
Routine
0
Controlling the Logic Command word in the drive. B3:20/* bits are controlled elsewhere in the user program.
B3:20
0
Station 1
Stop
Command
N20:0
0
Station 1
Logic Command
STOP
1
B3:20
1
Station 1
Start
Command
N20:0
1
Station 1
Logic Command
START
2
B3:20
2
Station 1
Jog
Command
N20:0
2
Station 1
Logic Command
JOG
3
B3:20
3
Station 1
Clear Faults
Command
N20:0
3
Station 1
Logic Command
CLEAR FAULTS
4
B3:20
4
Station 1
Reverse
Command
N20:0
4
Station 1
Logic Command
FORWARD
0
5
B3:2
4
Station 1
Reverse
Command
N20:0
5
Station 1
Logic Command
REVERSE
6
N20:0
12
Station
Logic Command
E SELECT 0
7
N20:0
13
Station 1
Logic Command
REFERENCE SELECT 1
8
B3:20
5
"Never Closed"
N20:0
14
Station 1
Logic Command
REFERENCE SELECT 2
c e over the Profibus, the e Reference To ontrol the speed referenc thre Select bits (bits 14-12) need to have the values 011.
REFERENC
Station 1 Speed Reference
The MD65 Speed Reference (parameter 38) needs to be set to 5 ("RS485 [MDI] Port").
N19:1 is controlled elsewhere in the user program.
9
MOV
Move
Source N19:1
273<
Dest N20:1
273<
MOV
Station 1
Speed Reference
Write
r
rs
This section of the outine is only needed if the application needs to perform Parameter Protocol Reads or Writes to Station 1.
On power-up, initialize the Parameter Protocol routine.
10
S:1
15
Fi t Pass
U
B3:19
15
Station 1
Par Prot
Messaging
Request