172-65710M-04 (SC-F71 Parameters/Functions) 23 Dec 2021
353
Set the Setting change rate limiter (up/down)
10.2.2 Setting the time to change the set value (SV) (Soft start)
Description of function
Soft start is a function that allows to set the time until the set value (SV) reaches the
changed value when the set value (SV) is changed.
Changing the set value (SV) upon setting the Soft start time means that the set value
(SV) will gradually change from the start point until the set value (SV) over the time
set by the user. The start point can be selected from either the measured value (PV)
at the time the set value (SV) was changed, or from the zero point.
If selecting Zero point start for Soft start start time, the set value (SV) at the time
when the set value (SV) was changed will become 0.
When the set value (SV) is changed by the Memory area transfer function, the
Setting change rate limiter operates from the pre-change set value (SV) until the
post-change set value (SV) is reached.
If the Setting change rate limiter or the set value (SV) are changed during soft
start, the S
oft start time is recalculated and operation continues. Refer to “Action
when the set value is changed during soft start
” for details.
When Setting change rate limiter is set to a value
other than “0” and when the
Event type is set to an SV monitor value, the Event re-hold function by the set
value (SV) change is invalid. However, the event using a local SV will have the
Event re-hold function by the set value (SV) change valid.
Soft start will be invalid for the remote setting input value while remote mode is
PN00
SV
Monitor & SV
setting mode
PV/SV monitor
Pn70
AREA
Setting end
Next parameter is displayed.
Press
and
<
MODE
keys simultaneously to return to the
Measured value (PV)/Set value (SV) Monitor.
(The
MONI
key may be pressed to return to the
Measured value (PV)/Set value (SV) Monitor.)
(2 sec)
280
0 0
.
.
Parameter setting mode
Parameter group No.00
[Setting]
Parameter group No.70
[Memory area function]
1.SVRU
Input 1_Setting
change rate limiter
(up)
0000
0
.
1.SVRD
Input 1_Setting
change rate limiter
(down)
0000
0
.
Set “Setting changer
rate limiter (up)
Set “Setting changer
rate limiter (down)
Input 2_Setting
change rate limiter
(up)
0000
0
.
2.SVRD
Input 2_Setting
change rate limiter
(down)
0000
0
.
2.SVRU
In case of
two inputs
(3 times)
Set “Setting changer
rate limiter (up)
Set “Setting changer
rate limiter (down)
In case of one input
(4 times)
Summary of Contents for SC-F71
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Page 114: ...172 65710M 04 SC F71 Parameters Functions 23 Dec 2021 113 Setting procedure ...
Page 131: ...172 65710M 04 SC F71 Parameters Functions 23 Dec 2021 130 Setting procedure ...
Page 134: ...172 65710M 04 SC F71 Parameters Functions 23 Dec 2021 133 Setting procedure ...
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Page 347: ...172 65710M 04 SC F71 Parameters Functions 23 Dec 2021 346 Operating procedure ...
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