11-16
IM 05P02D41-01EN
11.4 Delaying Alarm Output (Alarm Delay Timer)
Description
The alarm on-delay timer is a function for turning on the alarm when the alarm condition
occurs, and the timer starts and the set time elapses.
The timer is reset if the alarm condition is removed while the timer is running. No alarm is
generated.
The figure below shows the example of the On-delay timer
PV
On-delay timer time
Lit
Contact type in the figure above: Energized when an event occurs (factory default).
Alarm hysteresis
Unlit
OFF
Time
PV high limit
alarm setpoint
PV high limit
alarm output
On-delay timer time
ON
The alarm Off-delay timer is a function for turning off the alarm when the alarm condition
is removed (normal condition), and the timer starts and the set time elapses.
The timer is reset if the alarm condition occurs again while the timer is running. The
alarm is not cancelled.
Setting Details
Parameter
symbol
Name
Display
level
Setting range
Menu symbol
DYN1 to
DYN2
Alarm-1 to -2 On-delay
timer
STD
0.00 to 99.59 (minute.second) ALRM
DYF1 to
DYF2
Alarm-1 to -2 Off-delay
timer
PRO
Содержание UP35A
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