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73VR2102 / 73VR2104 / 73VR2106 / 73VR2108 / 73VR2110 / 73VR2112 USERS MANUAL EM-7395-B Rev.24
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DISCRETE ALARM
Alarm status can be indicated on the screen. Alerting a remote device is also possible via the alarm output terminals.
The alarm history is also stored as a file. Alarm functions regardless of the storing method.
OFF / ON Output, Delay
Alarm contact outputs can be provided at the alarm terminal.
Choose Enable to activate an relay output for respective signal status (input ON and OFF).
In order to eliminate noise interference, you can specify the time (seconds) to wait to apply change in signal status.
Delay
Selectable from 1 to 99 seconds
Caution !
Alarm is Not triggered if ‘true’ contact status lasts shorter than the delay time.
[Example] ON Alarm
T1
T
T
Alarm Trip
Alarm Reset
a
b
c
d
Discrete input
ON
OFF
- ON status for T1 time duration does not trigger alarm because the duration is shorter than the
delay time.
- ‘True’ contact status starts at (a) point but an alarm is triggered only at (b) point, after the delay
time T has been elapsed.
- ‘False’ contact status starts at (c) point but the alarm is reset only at (c) point, after the delay time
T has been elapsed.
Normal State
You can specify which contact status from the trigger input terminal should be considered ‘Normal.’ For example, if
you set ‘OFF’ to be normal, ON contact status triggers alarm, and it is indicated on the recorder view.
ON/OFF
Both ON and OFF are normal.
ON
ON is normal.
OFF
OFF is normal.
OFF Color, ON Color
You can apply specific colors to represent each ON and OFF status for use in the Display views. Touch the current
selection and use the color palette.
OFF / ON Message Output
Set Enable to the status for which Messages are to be displayed on the Overview and Alarm History.
OFF Message, ON Message
These messages is used for Overview and Alarm History. Message contents up to 10 characters respectively for Up
and Down.
