Rockwell Automation 1771-PM , D17716.5.18 U MNL 1771-PM CLUTCH/BRAKE MOD - Manual (Page 8)

Press System Description
Chapter 2
2Ć2
Figure 2.1
Functional Block Diagram
Operator
Station
No. 1
Operator
Station
No. 2
Operator
Station
No. 3
Operator
Station
No. 4
Allen - Bradley Clutch/Brake Controller
- Monitors operator inputs
- Monitors shaft position using cam limit switch feedback
- Controls the press using solenoid triac outputs
Air Supply
Cam
Switch
Assembly
Cam
Switch
Assembly
Shaft at Top Position
Shaft at Bottom Position
Press
Crankshaft
Flywheel
Clutch/Brake Assembly
Cam Switch
Feedback
Inputs
Triac
Outputs
to Main
Solenoids
Main Solenoid Valves
Air to Clutch
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