6500 Series Purge and Pressurization System
I/O Manual
47
TEMP AS INPUT - Used with the 2-wire RTD PT100 sensor, this will take action to control/monitor the
temperature between max and min values. This can be used for cooling where the ON temperature is
higher than the OFF temperature or heating where the ON temperature is lower than the OFF temperature.
The actions of these functions are in the table.
FUNCTION ACTION
DISABLED Nothing happens when pressure is below ON PRESSURE
IMMEDIATE SHUTDOWN When active, enclosure contacts immediately de-energize
regardless of shutdown time
OVERLOAD When active, enclosure contacts de-energize after shutdown time
has timed out
CONTROL PWR RELAY When active, the enclosure contacts energize (but only if in safe
condition after purging and enclosure is pressurized
CONTROL OUTPUT When active, control output contacts energize
CONTROL VALVE When active, either the DV or PV valve output is active. For the PV,
the value will go to 100%.
ALARM When active, the LED is on and if the control output is directed to
any alarm, the contacts will energize
ON SET POINT – The temperature when the action is activated. Default: 30 °C
OFF SET POINT – The temperature when the action is de-activated. Default: 20 °C
• Output settings
OUTPUT 1 FUNCTION DISABLED
IMMED SHUTDN ALARM
OVERLOAD ALARM
MAX PRESSURE ALARM
LOW PRESSURE ALARM
LOST PRESSURE ALARM
ANNOUNCE PURGE
ANY ALARM
ENCLOSURE DOOR LOCK
SYSTEM BYPASS ALARM
INVERT OUTPUT 1? NO, YES
OUTPUT FUNCTION – The Output settings affect the AUX (auxiliary contacts) on the 6500 control unit.
The table below shows the different functions that can be direct to this output.
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