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Chapter 4 Explanation of Functions
4-14
4
■ Alarm Delay Times
This function holds the previous (latest) normal value up to the setting
number of times when an alarm is issued.
This function relates to the digital measurement value, analog output, alarm
terminal output, controller alarm indicator under an alarm status.
When “Fixed value” is set at the “Analog Output at Alarm”, this function
prevents the fixed outputting of an instantaneous alarm status due to the
changes in the surface condition of the measurement object.
When an alarm is issued (due to insufficient light intensity, or when a
measurement object is not in the measurement range), the previous normal value
is on hold up to the setting number of times at this function.
If the alarm exceeds the setting number of times, the fixed value that has been
set at “Analog Output at Alarm” or “Digital Output at Alarm” is output.
However, when the “Hold Previous Value” has been selected at “Analog Output
at Alarm” or “Digital Output at Alarm”, the alarm output is on hold during the
alarm status irrespective to the alarm delay number of times.
For the alarm terminal output, irrespective to this setting, the “Alarm Output
Delay Function” can reflect the alarm status to the measurement in real-time.
● How to use
1
Display the “Alarm Delay Times” screen.
2
Touch Head A (or Head B ) and enter the setting value.
3
Set the alarm delay times by touching
numerical key.
Set “0” to turn off the function, and set “65535”
when the previous normal value is on hold.
4
Touch the key to confirm the setting
number of times.
Setting screen of sensor head A Setting screen of sensor head B