Nord Drivesystems SK 500P Series - Page 49

6 Operating status messages
BU 0630 en-2020 49
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E018
18.0
Safety circuit
(SafetyCirc)
The Safe Pulse Block safety circuit has triggered during
release.
18.5
Safety SS1
The parameterised trigger time (P423) of the SS1-t
functionality has expired. STO is triggered as the inverter
still sends output pulses.
This error cannot be acknowledged. Restart the frequency
inverter (Power Off  120 s  Power On).
18.6
Safety System
A malfunction has occurred in the safety function.
• Restart the inverter.
• If the fault recurs, read out the extended error number in
the parameter “Actual Operating Status (P700 [-04]) and
contact Support.
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E110
110.0
Safety CRC
A malfunction has occurred in the safety function.
• The CRC checksum does not match the safety
parameters “Safety SS1 max. time” (P423) and “Safe
Dig.input” (P424) and must be adjusted.
110.1
Safety CRC changed
The CRC checksum has been changed. The changes are
only adopted after a restart.
110.2
Parameter password
protection required
For use of the Safety Digital Input, the parameter password
protection “Change safety passw.” (P498) must be set.
When changing the parameterisation of the safe input, the
password in the “Safety password” parameter (P497) must
be set.
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