Operation and diagnostics
Operating Manual PNOZ s30
1001715-EN-19
| 100
Error no. Error message Description Remedy
65535 System error No error present. The
empty error memory
was wrongly interpreted
as an error.
For information only
(1) U
Track S
[mV] = (2
8
x P1 + P2 – 170) x (10000/1204)
P1: Value of error parameter 1
P2: Value of error parameter 2
11.2.3 Open circuit message
If an open circuit error is detected, the "Fault" LED lights up on the device, the outputs are
switched off and an error message appears on the display.
The error message is continually updated. It will be displayed until the error is rectified.
The outputs will not switch back on until all the start-up conditions are met.
Error message Description Remedy
Error
Signal:
A/A B/B Z/Z
No feasible signal at
one or more tracks
- Ensure that there is no open circuit
in the wiring of tracks A... /Z
- Ensure that the correct encoder is
configured and connected
- Ensure that the encoder operates
correctly.
11.2.4 Frequency difference message on proximity switch
If a frequency difference error is detected, the "Fault" LED lights up on the device and a
warning message appears on the display: "AB frequency deviation".
The warning message disappears automatically once valid signals are again present for
both proximity switches. The Fault LED also goes out.
If the warning message appears, it will no longer be possible to carry out configured fre-
quency range monitoring. The output or outputs will react as if the configured range has
been violated.
If the frequency difference is present for an extended period, without a valid signal, greater
than the global standstill frequency, from the two proximity switches, error message 6000
will appear (see "Current error messages"), all outputs will switch off and the Fault LED will
light up.
The error message disappears automatically if
} Valid signals, greater than the global standstill frequency, are detected from both proxim-
ity switches
or
} A falling edge is detected at start input S34
The outputs will not switch back on until all the start-up conditions are met.
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