9.29 Buzzer duration (b1)
The table below details the buzzer duration (b1) parameter.
Display
Description
Defines the duration of the buzzer for door open alarm conditions.
If the door remains open after the buzzer duration (b1), the EMS controller
switches off the compressor.
Considerations
The EMS controller switches off the compressor after the duration defined
by alarm delay (Ad) + buzzer duration (b1).
Not used on ems55advanced and ems55Radvanced OFC firmware
Range 1 to 254 seconds
Global default 60 seconds
9.30 Alarm delay (Ad)
The table below details the alarm delay (Ad) parameter.
Display
Description
Defines the maximum time the cooler door can be open before sounding the
alarm buzzer.
Considerations
If disabled, the door switch is also disabled.
The EMS controller does not detect door openings, therefore, the EMS con-
troller does not:
l update the self-learning matrix for door activity.
l manage the evaporator fan management for door activity.
l sound door alarms if the door is left open.
Range 00 to 30 minutes
Global default 00 (disabled)
9.31 Activity frequency (AF)
The table below details the activity frequency (AF) parameter.
Display
Description
Defines the minimum number of door openings or motion counts to indicate
an active 30 minute period in the self-learning matrix, as described below.
Considerations See below.
Range See below
Global default 00 (low frequency)
76 of 86
27 February 2014
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