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RMS Compact II
Version 1.0.7 September 2016
Page 39
Rising & Falling Rates of Change
If the rate of change of this value is exceeded, then a trap will be generated - i.e. if the
rate of change value is set to 1.0, then if the value read by the sensor goes from 22.0
degrees to 23.0 degrees within 1 minute, then a trap will be generated.
Figure 4-11.
Input Sensor Defaults with Open/Close Contacts menu.
The defaults that can be set for Open/Close contacts differ from the Temperature and
Humidity settings.
Normal State
Normal state specifies the condition in which a contact is considered to be ‘Normal’,
‘Non-alarmed’ state.
Devices such as smoke alarms and air conditioning units often have normally open
contacts. In order to receive alarm indications from these types of units setting
normally open would cause alarms to be issued when the monitored contact closes.
Setting normally closed in the case of a rack cabinet door would cause an alarm
condition when the door was opened.
Trigger Type
Trigger type defaults for Open/Close sensors are specified here.
The three available options for trigger types are:-
Level
Level triggering is the default mode. When an input physically transitions from a
Normal to Non-Normal state an alarm will be triggered. However the alarm will only