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4 Monitoring the Temperature in Control Panel with the Main Unit and the Software Tool
4 - 16
K6PM-TH Thermal Condition Monitoring Device User’s Manual (H231)
This function is used to latch the alarm status of the comprehensive alarm (threshold 1 or 2).
Even if the measured value drops by as much as the amount of hysteresis (3°C/5.4°F) from the thresh-
old values threshold 1 or threshold 2 after the comprehensive alarm (threshold 1 or 2) occurs, the sta-
tus of the comprehensive alarm (alarm bar and transistor output 1 and 2) is retained (alarm latch).
The alarm latch is released by pressing and holding (for 5 seconds min.) the
SEG/ALM RST
Key on the
Main Unit front-panel.
Make the following setting either by enabling the "Alarm latch" on the
Setting K6PM
Screen of the soft-
ware tool, or through communications.
The changed setting parameter is enabled after power is again supplied to the Main Unit, or after soft-
ware reset.
This is a function for temporarily interrupting the measurement by an external trigger input of an exter-
nal contact.
Temperature measurement is stopped while the external trigger input is ON.
Temperature measurement is performed while the external trigger input is OFF.
During measurement interruption due to an external trigger input, the temperature display on the Main
Unit front-panel is fixed to the value immediately before interruption, and the "MON" LED is not lit.
Application example:
When an infrared thermal sensor is installed, the temperature monitor target may be deviated due to
opening or closing of the door. Therefore, stop temperature measurement by turning ON the external
trigger input. Restart measurement by turning OFF the external trigger input after installation is com-
plete.
Note When measurement interruption or restart is performed as a result of an external trigger input, the mea-
surement is interrupted or restarted immediately, and the status display "MON" lights up or goes out after
communications with the temperature sensor is checked. Therefore, depending on the number of con-
nected temperature sensors, it may take time for the "MON" LED to light up or go out as a result of ON/OFF
of the external trigger input (approximately 30 seconds when 31 temperature sensors are connected).
Alarm Latch of the Main Unit
Setting name
Setting range
Initial value
Alarm latch
ON (Enable), OFF (Disable)
ON (Enable)
External Trigger Input of the Main Unit
Содержание K6PM-TH
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Страница 76: ...3 Initial Setting 3 20 K6PM TH Thermal Condition Monitoring Device User s Manual H231...
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