nVent RAYCHEM Elexant 4010i/4020i User Manual
RAYCHEM-AR-H60624-40X0iOpsManual-EN-1905
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3. Flash:
Figure 86 - Flash Setting
The alarm relay opens and closes alternatively approximately once per second.
IMPORTANT:
If the alarm output is used to drive a pilot light, it is recommended that
Flash
be selected
to enable flashing operation. When the output is also configured for normally closed operation, the pilot
light will be on steady for
Normal
operation,
Flash
in case of alarm and be extinguished due to a bulb
failure or loss of power. If multiple alarm outputs from different controllers are wired in series
(e.g. multi-point panels), set this parameter to
Normal
operation.
5.6.7.4 Digital Input
Figure 87 - Digital Input Setting
Purpose:
The digital input offers the option to generate an alarm or override the electrical heat-tracing mode using
an external dry contact or DC voltage source. The digital input can be configured in the following ways:
• Not Used: no action taken
• Force On when input is open
• Force On when input is closed
• Force Off when input is open
• Force Off when input is closed
• Alarm when input is open
• Alarm when input is closed
• Hand/Off/Auto
Default:
Not Used
5.6.7.5 Cycle Count Alarm
Figure 88 - Cycle Count Setting
Range:
1 to 1,000,000 cycles.
Default:
100000
Purpose:
This generates an alarm if the number of off-to-on transitions of a mechanical contactor reaches or
exceeds the contactor count alarm setting. It serves as a reminder to perform preventive maintenance
on the contactor when the contactor reaches the manufacturer’s recommended maximum number of
cycles.
Default:
Enabled and set at 100,000 cycles.