Parameter - Mitsubishi Electric FX5 User Manual

10.5

Parameter

Set item
(s3) Sampling time (TS)
(s3)+1 Operation setting
(ACT)
(s3)+2 Input filter constant (α)
(s3)+3 Proportional gain (KP)
(s3)+4 Integral time (TI)
(s3)+5 Differential gain (KD)
(s3)+6 Differential time (TD)
(s3)+7 to These devices are occupied for internal processing of PID operation. Do not change data.
(s3)+19
*1
(s3)+20 Input variation (incremental)
alarm set value
*1
(s3)+21 Input variation (decremental)
alarm set value
*1
(s3)+22 Output variation (incremental)
alarm set value
Output upper limit set value
*1
(s3)+23 Output variation (decremental)
alarm set value
Output lower limit set value
*1
(s3)+24 Alarm output
10 PID CONTROL FUNCTION
70
10.5 Parameter
Description/Setting range
1 to 32767 (ms)
b0 0: Forward operation
1: Backward operation
b1 0: Input variation alarm is invalid
1: Input variation alarm is valid
b2 0: Output variation alarm is invalid
1: Output variation alarm is valid
b3 Not used
b4 0: Auto-tuning is not executed.
1: Auto-tuning is executed
b5 0: Upper and lower limits of output value are not
valid
1: Upper and lower limits of output value are valid
b6 0: Step response method
1: Limit cycle method
*2
b7 0: Overshoot suppression processing invalid
(FX3U compatible)
1: Overshoot suppression processing valid
*2
b8 0: Without the hunting suppression processing
(FX3U compatible)
1: With the hunting suppression processing
b9 to b15 Not used
0 to 99 [%]
1 to 32767 [%]
0 to 32767 [×100 ms]
0 to 100 [%]
0 to 32767 [×10 ms]
0 to 32767
0 to 32767
0 to 32767
-32768 to +32767
0 to 32767
-32768 to +32767
b0 0: Input variation (incremental) is not exceeded.
1: Input variation (incremental) is exceeded.
b1 0: Input variation (decremental) is not exceeded.
1: Input variation (decremental) is exceeded.
b2 0: Output variation (incremental) is not exceeded.
1: Output variation (incremental) is exceeded.
b3 0: Output variation (decremental) is not exceeded.
1: Output variation (decremental) is exceeded.
Remarks
It cannot be shorter than operation cycle of the PLC.
Operation direction

Do not set b2 and b5 to ON at the same time.


Do not set b2 and b5 to ON at the same time.
Select auto-tuning mode.
When b7 is ON, the overshoot suppression processing is
performed.
This is valid when b4 is ON and b6 is OFF.
When b8 is ON, the hunting suppression processing is
performed.

When "0" is set, input filter is not provided.

When "0" is set, it is handled as "∞" (no integration).
When "0" is set, differential gain is not provided.
When "0" is set, differential is not executed.
It is valid when operation setting (ACT) (b1 of (s3)+1) is
"1".
It is valid when operation setting (ACT) (b1 of (s3)+1) is
"1".
It is valid when operation setting (ACT) (b2 of (s3)+1) is
"1" and (ACT) (b5 of (s3)+1) is "0".
It is valid when operation setting (ACT) (b2 of (s3)+1) is
"0" and (ACT) (b5 of (s3)+1) is "1".
It is valid when operation setting (ACT) (b2 of (s3)+1) is
"1" and (ACT) (b5 of (s3)+1) is "0".
It is valid when operation setting (ACT) (b2 of (s3)+1) is
"0" and (ACT) (b5 of (s3)+1) is "1".
It is valid when operation setting (ACT) (b1 or b2 of
(s3)+1) is "1".