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Chapter 4. Functions
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
ONHYS
Event main setting
ON
HYS
PV low limit 2
ON
HYS
ONHYS
PV high and low limits 3
Event main setting
*1
Event subsetting
*1
ON
HYS
ONHYS
Event main setting *
1
Event subsetting *
1
ONHYS
HYS
Deviation high limit 4
ONHYS
SP + Event main setting
ON
HYS
SP + Event main setting
Deviation low limit 5
SP + Event main setting
ON
HYS
PV
ONHYS
Deviation high and low
limits
6
Event
main setting
Event
subsetting
PV
SP
ON
HYS
ONHYS
ONHYS
HYS
Event main
setting
Event
subsetting
PV
SP
Deviation high limit
(Final SP basis)
7
ONHYS
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
S P.
Deviation low limit
(Final SP basis)
8
ON
HYS
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
ONHYS
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
S P.
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