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INM MTL SUM5 Rev 7
DRAFT - 09 June 2021 DRAFT - 09 June 2021
24.4 Auto Shelving
On systems supplied with the sequence of event recording option a faulty alarm loop or loose
cable can quickly ood the associated event buffers. Auto Shelve allows the user to congure:
Function Description
Alarm Count The maximum number of alarms the user believes will occur with a set
period before the alarm count is considered abnormal.
Count Period The required time period in seconds
If the number of input events exceeds the abnormal count within the time period the input will be
automatically shelved and a dated and timed message will be generated to inform the user that
auto shelving has occurred on the specic channel. Events that occurred prior to the auto shelve
are stored in buffer to aid fault nding and the alarm will return to normal once the input is within
operating parameters.
To implement changes the user must select the “Conrm” icon and download the
conguration to the SmartAlarm using the “Tools” menu – “Send Settings” as required
25 INPUT
The following options are available under the “Input” tab
25.1 Contact Type
A dropdown menu allows the user to assign the non-alarm contact state for each channel. The
default setting is Normally Open (Closed to alarm) with an optional setting to Normally Closed
(Open to alarm). If serial inputs are required please select the tick-box to the left of “Remote”
25.2 Delay Timers
Each channel is equipped with timers allowing the user to delay the activation and/or the return to
normal time period.
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