Rockwell Automation 1771-QDC, D17716.5.85(Passport) MNL. PLASTIC MOLDING MODULE - Manual (Page 59)

Jog Your Machine
Chapter 5
5-5
Take time now to develop ladder logic (independent of Pro-Set 600
software) to jog the ram (screw) with the QDC module. You need to
monitor switches on your operator control panel, and set corresponding
command bits.
Use word 1 in the dynamic command block (DYC01) to enable and disable
individual jogs. Use word 1 in the system status block (SYS01) to monitor
the QDC module’s reaction to jog commands. Tables 5.A and 5.B identify
command and status bits for jogging the ram (screw).
Table 5.A
Ram (Screw) Jog Enable Bits
Control Block Word: ProĆSet 600 Address: Description:
DYC01ĆB09
B34/393 Execute Screw Rotate Jog
DYC01ĆB10 B34/394 Execute Inject Cylinder Jog Forward
DYC01ĆB11 B34/395 Execute Inject Cylinder Jog Reverse
Table 5.B
Ram (Screw) Jog Status Bits
Status Block Word: ProĆSet 600 Address: Description:
SYS01ĆB09
B34/9 Screw Rotate Jog in Progress
SYS01ĆB10 B34/10 Inject Cylinder Jog Forward in
Progress
SYS01ĆB11 B34/11 Inject Cylinder Jog Reverse in
Progress
We provide a programming example (Figure 5.1) of jog control for
instructional purposes only. Your application-specific programming may
vary significantly from this example.
Important: You may also need to develop ladder logic that changes the
direction of ram (screw) travel hydraulically when you command the QDC
module to jog the ram (screw) in reverse.
Write Ladder Logic