Operations Of Alarm Reset - Mitsubishi Electric EMU4-FD1-MB User Manual

< Examples of alarm occurring (except for the upper limit of pulse count) >
(1) When the alarm reset method is "Auto-reset (Auto)".
Measured value
Alarm delay time
Upper limit alarm value
Lower limit alarm value
First measurement
after the power is on
No
Alarm status
alarm
(2) When the alarm reset method is "Self-retention (HoLd)".
Measured value
Alarm delay time
Upper limit alarm value
Lower limit alarm value
First measurement
after the power is on
No
Alarm status
alarm

Operations of alarm reset

･ Operations of alarm reset
Alarm recovery operation is different according to the alarm reset method.
Alarm reset method
Reset the alarm automatically if the measured value goes below the upper limit or goes over the
Auto-reset (Auto)
lower limit.
The alarm is held after the measured value goes below the upper limit or goes over the lower
limit. Clear the alarm as below after the value goes below the upper limit or goes over the lower
limit.
Self-retention
(HoLd)
Alarm delay time
Lower limit No
alarm occurs alarm
Alarm recovery
operation
Alarm delay time
No
Lower limit
alarm
alarm occurs
Lower limit
alarm retention
・In the present value display of operating mode, press
clear the alarm.
(Alarm clear is effective even in other than the alarm-occurrence phase.)
Alarm delay time
Upper limit No
alarm occurs alarm
Lower limit
alarm occurs
Alarm recovery
operation
Alarm delay time
No
Upper limit
alarm
alarm occurs
Upper limit Lower limit
alarm retention alarm occurs
Alarm recovery operation
- / RESET
(55/71)
Alarm delay time
No Lower limit
alarm alarm occurs
Alarm recovery
operation
Alarm delay time
No Lower limit
alarm alarm occurs
Lower limit
alarm retention
button for two seconds to
Time