Sanken S06-4A005-B Instruction Manual page 135

description of PG sensor (F8110/F8122/F8125)".
● Each PID feedback value can be gained by F3014 (PID1)/F3114 (PID2).
● After each PID feedback value is gained, F3007 (PID1)/F3107 (PID2) can be used for filter. The setting value=1 of F3007
(PID1)/F3107 (PID2) is the time constant for 10ms filter.
Example) When F3007=10, the filter time constant =100ms.
Note: When there is a speed control by PG sensor, the PG feedback will be processed internally. Therefore, never use
PG feedback PID function (F3002=99 or F3102=99). If the functions of PG sensor speed control and PG feedback PID
are used together, a correct control cannot be realized.
Analog value
value
Setting
Pulse train
PID command value input switching
F3001/F3101
【Deviation Limit of PID Control】
F3009 PID1
deviation limit value
F3109 PID2
deviation limit value
The function to make a positive/negative limit for the deviation of command value and feedback value in PID control.
● Upper frequency limit: For frequency of F1007, the rate set by F3009/F3109 will be used as the limit value.
· F3009/F3109=0: no limit
· F3009/F3109=1～100%: Use the rate to upper frequency limit for control.
Example) When F1007=50Hz and F3009=20%, ±10Hz will be used to control the deviation of PID1 control.
PID command value
PID feedback value
【PID Operation Polarity Switching】
F3011 PID1 operation polarity switching
F3111 PID2 operation polarity switching
The function to switch the deviation operation results of command value and feedback value in PID control.
● For PID deviation of Fe, the polarity will be switched according to the settings of F3011/F3111.
· F3011/F3111=1: command value – feedback value.
The polarity of deviation Fe will not be changed.
· F3011/F3111=2: feedback value – command value.
The symbol of deviation Fe will be reversed. (Polarity reversion)
PID command value
PID feedback value
Frequency switching
[Function code for frequency switching]
～
Analog value: F1401 F1406
Setting of function code: F3019/F3119
Pulse train: F1002=25
Positive
Negative
Deviation limit
Gain Limiter
Upper frequency limit
Positive
Deviation limit
PID command value
PID feedback value
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Filter processing
PID Feedback
Negative
Positive
Negative
Deviation limit