Pilz PNOZ s50 C - Manual (Page 56)

Operation
Operating Manual PNOZ s50
1002194­EN­02 56
O2+, O2-
Y20
Y21
Error
Y10/Y11 Q
1 -> 0 On
O1+, O1-
t
O3
Fig.: Reset fault with single­channel load
Legend:
} Error Y10/Y11: Fault at Y10/Y11, load shuts down
} Q 1 ­> 0: Fault: Reset fault at Y11
} On O1+, O1­: Switch load on; before switching on, Y10 and Y11 must both be at "0"
} O3: Fault signal output
Using two power circuits:
} With dual­channel activation, the fault can be reset through a 1/0 pulse edge at Y10/
Y11 or Y20/Y21.
} In order to switch the load on, the relevant inputs must both already be at "0".