Pilz PSS SB HYD, Basic license - Manual (Page 223)

Modular Block System: Hydraulic Presses 6-161
Switching diagrams
• Type A
Circuitry:
- Input parameter
NC: N/C contact
- Input parameter NO: N/O contact
Diagrams:
Fig. 6-5: Switching from stage 1 to stage 2 and back or
switching from stage 2 to stage 3
Fig. 6-6: Switching from stage 3 through stage 2 to stage 1
Contact closed
NC
NO
not operated central position fully operated
Stage 1 Stage 2 Stage 3
NC
NO
not operated central position fully operated
Stage 1 Stage 2 Stage 3