8 Description of Function Codes NICE3000
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User Manual
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It is the feedback signal when the door lock circuit is shorted if the function of door pre-open upon arrival or
re-leveling at door open is enabled for the elevator conîš¿gured with the pre-open module. This is to ensure
safety during the elevator running.
23: Fireîš¿ghter running signal
It is the îš¿reîš¿ghter switch signal and is used to enable the îš¿reîš¿ghter running. After the elevator returns to
the re emergency oor, the elevator enters the reghter running state if the reghter signal is active.
24: Door machine 1 light curtain signal 25: Door machine 2 light curtain signal
They are used to detect the light curtain signals of door machine 1 and door machine 2 (if existing).
27: Emergency evacuation signal
It is the emergency running signal at power failure. If it is active, it indicates that the elevator is running for
emergency evacuation at power failure. For more details, see section 5.2.1.
28: Elevator lock signal
If this signal is active, the elevator enters the locked state, returns to the elevator lock oor and does not
respond to any calls until the signal becomes inactive. It has the same function as the hall call elevator
lock signal.
30: Shorting PMSM stator feedback
The shorting PMSM stator contactor protects the elevator from falling at high speed in the case of brake
failure. This signal is used to monitor whether the shorting PMSM stator contactor is normal.
65: Door machine 1 safety edge signal 66: Door machine 2 safety edge signal
They are used to detect the safety edge signal state of door machine 1 and door machine 2 (if existing).
67: Motor overheat signal
If this signal remains active for more than 2s, the controller stops output and reports fault Err39 to prompt
motor overheat. After this signal becomes inactive, Err39 is reset automatically and the system resumes to
normal operation.
68: Earthquake signal
If this signal remains active for more than 2s, the elevator enters the earthquake stop state, stops at the
nearest landing oor and opens the door. Then the elevator starts running again after the earthquake
signal becomes inactive.
69: Back door forbidden signal
If double door machines are applied, this signal is used to prohibit the use of door machine 2.
70: Light-load signal
It is used for nuisance judgment in the anti-nuisance function. If F8-08 Bit2 is set to 1, the system performs
nuisance judgment by using the light-load switch. The load below 30% of the rated load is regarded as
light load.
71: Half-load signal
It is used for allocation of elevators in parallel or group mode and judgment of the emergency running
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