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Character,
Factory Default
Setting Item, Function, Setting Range
EV1 alarm Energized/De-energized
• Selects Energized/De-energized status for EV1 alarm.
When Energized is selected, Event output EV1 is conductive (ON) while the
EV1 indicator is lit. Event output EV1 is not conductive (OFF) while the EV1
indicator is not lit.
When De-energized is selected, Event output EV1 is not conductive (OFF)
while the EV1 indicator is lit. Event output EV1 is conductive (ON) while the
EV1 indicator is not lit.
High limit alarm (Energized)
High limit alarm (De-energized)
(Fig. 7.5.3-13)
(Fig. 7.5.3-14)
• Selection item:
: Energized
: De-energized
Available when 001 to 012 (Alarm output) is selected in [Event output EV1 allocation].
Loop break alarm time
• Sets the time to assess the Loop break alarm.
[Loop break alarm]
When the control action is Reverse (Heating) control:
If the PV does not reach the Loop break alarm span setting within the time
allotted to assess the Loop break alarm (after the MV has reached 100% or
the OUT1 high limit value), the alarm will be activated.
Likewise, if the PV does not drop to the Loop break alarm span setting within
the time allotted to assess the Loop break alarm (after the MV has reached
0% or the OUT1 low limit value), the alarm will be activated.
When the control action is Direct (Cooling) control:
If the PV does not drop to the Loop break alarm span setting within the time
allotted to assess the Loop break alarm (after the MV has reached 100% or
the OUT1 high limit value), the alarm will be activated.
Likewise, if the PV does not reach the Loop break alarm span setting within
the time allotted to assess the Loop break alarm (after the MV has reached
0% or the OUT1 low limit value), the alarm will be activated.
• Setting range:
0 to 200 minutes
[Setting to 0 (zero) disables the Loop break alarm.]
Available when 014 (Loop break alarm output) is selected in [Event output EV1
allocation].
ON
EV1 hysteresis
OFF
SV
+EV1 value
ON
EV1 hysteresis
OFF
SV
+EV1 value