Setting Alarms - GE CSE Uniserve CB Watch 3 Operating Manual

Setting Alarms

Notice: It is the customer's responsibility to decide whether to set alarms or not and to
decide what thresholds to set alarms at, as this will depend on the customer's operational
priorities and risk philosophy. However, here are some guidelines that may prove helpful in
deciding what threshold values to use:
Alarm Summary
This table summarises all the alarms that can be set in terms of operation timing
monitoring.
Without travel sensor present:
Data obtained from CBW3
Number of opening operations, per pole
Number of closing operations, per pole
Pole discrepancy
52a contact switching time, per pole
52b contact switching time, per pole
Opening reaction time (t1), per pole
Opening operation time (t2), per pole
Opening travel time (t2-t1), per pole
Opening reaction time (t1) discordance
Opening operation time (t2) discordance
Opening travel time (t2-t1) discordance
Opening contact separation speed, per pole
Closing reaction time (t1), per pole
Closing operation time (t2), per pole
Closing travel time (t2-t1), per pole
Closing reaction time (t1) discordance
Closing operation time (t2) discordance
Closing travel time (t2-t1) discordance
Additional alarms with travel sensor present:
Data obtained from CBW3
Open position issue (travel sensor vs 52a)
Close position issue (travel sensor vs 52b)
Opening overtravel
Closing overtravel
MA-037 - CB Watch 3 Operating Manual
Thresholds
Min Alarm Max Alarm
No Yes
No Yes
No Yes
No Yes
No Yes
Yes Yes
Yes Yes
Yes Yes
No Yes
No Yes
No Yes
Yes No
Yes Yes
Yes Yes
Yes Yes
No Yes
No Yes
No Yes
Thresholds
Min Alarm Max Alarm
Yes
Yes
No Yes
No Yes
v7.0 - May 2020
Alarms available
Digital Relay
Yes Yes
Yes Yes
Yes Yes
Yes
Yes
Yes
Yes Yes
Yes Yes
Yes Yes
Yes Yes
Yes Yes
Yes Yes
Yes Yes
Yes Yes
Yes Yes
Yes Yes
Yes Yes
Yes Yes
Yes Yes
Alarms available
Digital Relay
Yes
Yes
Yes
Yes Yes
Yes Yes
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