CB Watch 3 User Manual v6.3 - May 2019 Page 66 of 100
HMI: Measurements / Last closing results
Figure 104 – Spring rewind data
When installing in a retrofit situation, the initial value for the counters can be entered:
HMI: Settings / Closing
Figure 105 – Spring motor initial values
Spring rewind time alarms
One can compare the spring rewind times recorded after each closing operation with a
minimum and maximum duration threshold. An alarm is triggered if the value recorded
falls outside these limits.
Any shortening of the time may indicate a partially broken spring and any lengthening
may indicate additional friction or a problem with the motor itself.
An alarm can also be set when for the cumulative spring rewind motor run time:
HMI: Settings / Closing
Figure 106 – Spring rewind time thresholds
The alarms can be seen in the HMI:
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