67
• The control can also be switched between RUN/
Standby manually.
Select ON or OFF in the parameter for
(Set-
ting standby).
• The table below shows the relationship between the
RUN and Standby mode switched with a manual op-
eration, DI 1, and ramp-soak operation.
Switching control RUN/Standby (DI function 2)
• RUN and Standby mode is switched by DI
DI ON : Standby
DI OFF: RUN
• When the control is in standby state,
[Description]
• Select each DI function with
and
(DI set-
ting parameter) and set the DI to ON to activate the func-
tions.
Setting range: 0 to 12
= No function
= Switches the SV.
= Control RUN/Standby
= Starts the auto tuning (standard).
= Starts the auto tuning (low PV).
= Cancels latching for all alarms.
= Cancels latching for alarm 1.
= Cancels latching for alarm 2.
= Cancels latching for alarm 3.
= Activates ALM 1 relay timer.
= Activates ALM 2 relay timer.
= Activates ALM 3 relay timer.
= Ramp-soak operation RUN/RESET
Switching the SV (DI function 1)
• This function switches the SV.
•
of the ramp-soak target SV is used to set the
SV 1.
• The SV cannot be changed on the SV display screen
while
is selected.
• While switching the SV, the SV and the SV No. ap-
pear alternately. (SV: 2 seconds, SV No.: 1 second)
However, the SV No. is not displayed during the ramp-
soak operation.
DI operation (Setting range: 0 to 12) (Option)
Ramp-soak operation RUN/RESET (DI function 12)
• The ramp-soak operation is switched between RUN/
RESET by DI.
DI ON edge
⇑
: RUN
DI OFF edge
⇓
: RESET
[Note]
RUN and RESET are switched by ON and OFF edge of DI.
• When the settings are set manually, via communication,
and DI, the settings that are set later are valid.
• The ramp-soak operation can be also switched between
RUN/RESET manually.
• The ramp-soak execute types that are set in the
parameter of
operate.
• The table below shows the operations when the DI
changes during ramp-soak operation.
Displays
alternately.
SV
SVNo.
DI OFF
DI ON
DI
RUN
Standby
Standby
Standby
Standby
Standby
Standby
Standby
OFF
ON
Standby status of ramp-soak operation
Manual setting
OFF
ON
OFF
ON
The SV (set value)
flickers.
During PV display
During SV display
The SV lamp
flickers.
setting screen (the first block)
Display during OFF: Control
RUN mode
Display during ON: Control Standby
mode
RUN
RESET
HOLD
END
Ramp-soak
operation status
ON edge
No change
RUN
RUN
No change
OFF edge
RESET
No change
RESET
RESET
DI
1
1
Set value
Set value
DI2 OFF
(Exp.) In case of switching SV 4 points
DI set parameter, DI and type of SV to be switched and selected
DI1 OFF DI1 ON
DI1 OFF DI1 ON
DI2 ON
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