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4-56
Chapter 4. Functions
z
Operation
The operation of events is shown below. It differs depending on the operation type,
direct/reverse setting, event main setting, event subsetting, hysteresis settings, etc.
Event operation list
Operation type
Operation
type
setting
Direct action
●
means that ON/OFF changes at that
value
◯
means that ON/OFF changes after
that value is passed
Reverse action
●
means that ON/OFF changes at that
value
◯
means that ON/OFF changes after
that value is passed
No event
0
Always OFF
Always OFF
PV high limit
1
ON
HYS
Event main setting
PV
ON
HYS
Event main setting PV
PV low limit
2
Event main setting
PV
ON
HYS
Event main setting
PV
ON
HYS
PV high and low limits
3
Event main setting
*1
Event subsetting
*1
PV
ON
HYS
ON
HYS
Event main setting *
1
Event subsetting *
1
PV
ON
HYS
HYS
Deviation high limit
4
ON
HYS
SP + Event main setting PV
ON
HYS
SP + Event main setting PV
Deviation low limit
5
SP + Event main setting
ON
HYS
PV
SP + Event main setting
ON
HYS
PV
Deviation high and low
limits
6
Event
main setting
Event
subsetting PV
SP
ON
HYS
ON
HYS
ON
HYS
HYS
Event main
setting
Event
subsetting PV
SP
Deviation high limit
(Final SP basis)
7
ON
HYS
SP + Event main setting PV
Except for the SP ramp, same as the direct
action of the deviation high limit.
During the SP ramp, the action is different
in that the final SP is used instead of the
current SP.
ON
HYS
SP + Event main setting PV
Except for the SP ramp, same as the direct
action of the deviation high limit.
During the SP ramp, the action is different in
that the final SP is used instead of the current
SP.
Deviation low limit
(Final SP basis)
8
SP + Event main setting
ON
HYS
PV
Except for the SP ramp, same as the direct
action of the deviation low limit.
During the SP ramp, the action is different
in that the final SP is used instead of the
current SP.
SP + Event main setting
ON
HYS
PV
Except for the SP ramp, same as the reverse
action of the deviation low limit.
During the SP ramp, the action is different in
that the final SP is used instead of the current
SP.