Pilz PNOZ s50 C User Manual
Page 52

Operation
Operating Manual PNOZ s50
1002194EN02
52
Cat.
No.
Error message
Description
Remedy
21
0
Readback fail
The signal at output O3, O4 or
O5 does not correspond to the
expected value.
Parameter 1:
0x00010000: O3
0x00400000: O4
0x04000000: O5
Ensure that the outputs are wired
correctly
21
1
Test fail
Error during off test of outputs
O3, O4 or O5.
Parameter 1:
0x00010000: O3
0x00400000: O4
0x04000000: O5
Ensure that the outputs are wired
correctly
22
0
Input Not Off
At least one of the inputs Y10/
Y11 or Y20/Y21 has a "1" signal
following a restart or after reset
ting an error
Parameter 1:
0x00000010: Y10
0x00000020: Y11
0x00000100: Y20
0x00000200: Y21
Set the inputs for fast shutdown to
a "0" signal
22
1
Input Sin. On
Prior to the 0/1 pulse edge,
neither of the inputs for fast shut
down were set to a "0" signal.
0x00000010: Y10
0x00000020: Y11
0x00000100: Y20
0x00000200: Y21
Set the inputs for fast shutdown to
a "0" signal
22
2
Test fail
Input for feedback loop Y1 or Y2
was not at "0" during test pulse
Ensure that the test pulses are
wired correctly
Rectify short circuits or shorts
between contacts
23
0
Feedback On
State of the feedback loop is not
as expected when the power cir
cuits are switched on
0x00000080: Y1
0x00000800: Y2
Ensure that the feedback loops
are wired correctly
Ensure that the feedback loops
are configured correctly
Ensure that the load is applied
Ensure that the logic (N/C, N/O)
of the feedback loop is configured
correctly