Toshiba Tosvert VF-S15 Instruction Manual page 196
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- Instruction manual (371 pages) ,
- Quick start manual (90 pages) ,
- Function manual (80 pages)
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3) Setting PID control
Set "" (Process type PID control operation) in the parameter f360 (PID control).
(1) Set parameters acc(acceleration time) and dec (deceleration time) to the system fitting values.
(2) Please set the following parameters to place limits to the setting value and the control value.
Placing a limit to the PID set value : The parameter f367(Upper limit of set value), f368 (Lower limit of
set value)
Placing a limit to the output frequency : The parameter ul(Upper limit frequency ), ll (Lower limit
frequency )
Note 4: Assigning the function number 36 (PID control prohibition) to an input terminal. PID control function is
4) Adjusting the PID control gain level
Adjust the PID control gain level according to the PID set value, the feedback value and the object to be
controlled.
[Parameter settings]
f362
f363
6
f366
f362 (P-gain adjustment parameter)
stopped temporarily while the terminal is ON.
Title
Function
Proportional gain (P)
Integral gain (I)
Derivative gain (D)
This parameter adjusts the proportional gain level during PID control. A correction value proportional to
the particular deviation (the difference between the PID set value and the feedback value) is obtained
by multiplying this deviation by the parameter setting.
A larger P-gain adjustment value gives faster response. Too large an adjustment value, however,
results in an unstable event such as hunting.
Output frequency
Fast response
( f362 =Large
gain)
Adjustment range
Default setting
0.01 - 100.0
0.01 - 100.0 (1/ s
-1
)
0.00 - 2.55 (s)
Slow response
( f362 =small gain)
Time
F-84
E6582175
0.30
0.20
0.00
PID set value
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