61 FY operation manual
12.1 Alarm Mode
Boot completed, the alarm is OFF, when PV ≥ target SV start the
timer, alarm is turned ON and the control function keep ON in
timed out.
If the RAMP function is used, even if the RAMP SV has not
reached the target SV, the timer will start counting as long as the
condition PV ≥ target SV is met.
*
Please refer to Chapter 11.7
*
This mode only available in ALD1 or ALD2
*
In this mode, the time format is fixed to “hour.minute”
12.2 Alarm Special Setting
0：Alarm 1 relay reverse active disable (Normal Open)
1：Alarm 1 relay reverse active enable (Normal Close)
0：Alarm 2 relay reverse active disable (Normal Open)
1：Alarm 2 relay reverse active enable (Normal Close)
0：Alarm 3 relay reverse active disable (Normal Open)
1：Alarm 3 relay reverse active enable (Normal Close)
0：When ALDX=17，Alarm action in Program execution
1：When ALDX=17，Alarm action in Program end
SETA.1
SETA.2
SETA.3
SETA.4
12.3 Alarm Example
Example 1 : Deviation low, the difference between With alarm hold action and without alarm hold action, shown in the diagram below
With alarm hold action (ALDX=06)
without alarm hold action (ALDX=16)
OFF
Event set value
temperature
time
ON
PV
With hold action
Event
area
OFF ONON
Event set value
temperature
time
PV
Event
area
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