Rockwell Automation 1771-QC , D17716.5.25 SER/B SERVO POS - Manual (Page 194)

Chapter 8
8Ć33
Program Rungs for PLCĆ2/30
Figure 8.16 shows the ladder diagram programming for this application
for a PLC-2/30 system. Rungs 1 thru 4 of the program implement
bidirectional block transfer. The remaining rungs are for data input and
display. Here are individual rung descriptions:
Figure 8.16
PLCĆ2/30 LadderĆdiagram Programming Example for Controlling 2 Axes
451
02
455
02
PUT
0141
400
451
02 02
455 0450
[ ]
400
G
Rung 1
Rung 2
Rung 3
Rung 4
PUT
0141
400
030
EN
17
130
DN
17
030
EN
16
130
DN
16
0044
EN
17
0044
DN
15
041
15
Axis 1 Status
0047
EN
17
0047
DN
15
047
15
Axis 2 Status
Rung 5
Rung 6
BLOCK XFER READ
DATA ADDR:
MODULE ADDR:
BLOCK LENGTH:
FILE:
0040
301
00
0447 - 0546
BLOCK XFER WRITE
DATA ADDR:
MODULE ADDR:
BLOCK LENGTH:
FILE:
0041
301
00
0400 - 0477
FILE TO FILE MOVE
COUNTER ADDR:
POSITION:
FILE LENGTH:
FILE A:
0047
001
02
0455 - 0456
FILE B:
RATE PER SCAN
0022 - 0023
002
FILE TO FILE MOVE
COUNTER ADDR:
POSITION:
FILE LENGTH:
FILE A:
0044
001
02
0451 - 0452
FILE B:
RATE PER SCAN
0020 - 0021
002
0043
[ ]
200
G