Parameter Details
12
12.3 b: Application
YASKAWA SIEPC71061753C GA500 Technical Manual 537
■ b5-47: PID Trim Mode Output Reverse Sel
No.
(Hex.)
Name Description
Default
(Range)
b5-47
(017D)
PID Trim Mode Output
Reverse Sel
Sets reverse motor rotation when the PID control output is negative.
1
(0, 1)
This parameter is enabled when b5-01 = 3 or 4 [PID Mode Setting = Fref + PID Trim, Fref + PID Trim (D on
feedback)].
0 : Lower Limit is Zero
When PID output is negative, PID output is limited to 0 and drive output is shut off.
1 : Negative Output Accepted
When the PID output is negative, the motor will rotate in reverse.
■ b5-53: PID Integrator Ramp Limit
No.
(Hex.)
Name Description
Default
(Range)
b5-53
(0B8F)
RUN
PID Integrator Ramp Limit
Sets the responsiveness of PID control when the PID feedback changes quickly.
0.0 Hz
(0.0 - 10.0 Hz)
Note:
• This parameter is disabled when set to 0.0 Hz.
• When b5-53 > 0.0 Hz and the drive enables the integrator ramp limit, the PID integrator value limit is the range set by the output
frequency ± b5-53.
• When the PID feedback changes quickly, gradually decrease the value of this parameter in increments of 0.1 Hz to decrease the speed
of the response of PID control.
■ b5-55: PID Feedback Monitor Selection
No.
(Hex.)
Name Description
Default
(Range)
b5-55
(0BE1)
PID Feedback Monitor
Selection
Sets the monitor (Ux-xx) used as the PID Feedback. Set the x-xx part of the Ux-xx [Monitor].
000
(000 - 999)
Note:
• You cannot select parameter U5-xx.
• This parameter is disabled when set to 000.
■ b5-56: PID Feedback Monitor Gain
No.
(Hex.)
Name Description
Default
(Range)
b5-56
(0BE2)
PID Feedback Monitor
Gain
Sets the gain for the monitor set in b5-55 [PID Feedback Monitor Selection].
1.00
(0.00 - 10.00)
■ b5-57: PID Feedback Monitor Bias
No.
(Hex.)
Name Description
Default
(Range)
b5-57
(11DD)
PID Feedback Monitor Bias
Sets the bias for the monitor specified in b5-55 [PID Feedback Monitor Selection].
0.00
(-10.00 - +10.00)
■ b5-58 to b5-60: PID Setpoints 2 to 4
No.
(Hex.)
Name Description
Default
(Range)
b5-58 to b5-60:
(1182 - 1184)
RUN
PID Setpoints 2 to 4
Sets the PID setpoint when H1-xx = 3E or 3F [MFDI Function Selection = PID Setpoint
Selection 1/2]. This value is a percentage of the maximum output frequency.
0.00%
(0.00 - 100.00%)
Table 12.33 shows how the different MFDI H1-xx values (3E and 3F) have an effect on the PID setpoint value.
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