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:
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Error Y10/Y11: Fault at Y10/Y11, load shuts down
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Q 1 > 0: Fault: Reset fault at Y11
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On O1+, O1: Switch load on; before switching on, Y10 and Y11 must both be at "0"
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O3: Fault signal output
Using two power circuits:
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With dualchannel activation, the fault can be reset through a 1/0 pulse edge at Y10/
Y11 or Y20/Y21.
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In order to switch the load on, the relevant inputs must both already be at "0".