YASKAWA CIPR-GA50C series Technical Manual page 500

12.3 b: Application
When b5-01 = 3 or 4 [Fref + PID Trim or Fref + PID Trim (D on feedback)], one of the inputs in
will be the PID setpoint.
Input Methods for the PID Setpoint
MFAI terminal A1
MFAI terminal A2
MEMOBUS/Modbus register 0006H
Pulse train input terminal RP
b5-19 [PID Setpoint Value]
Note:
If you set two inputs for the PID setpoint, it will trigger operation error oPE07 [Analog Input Selection Error].
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Entering the PID Feedback Value
You can use two methods to input the PID feedback value to the drive. One method uses a single feedback signal
for usual PID control. The other method uses two signals. The difference between those signals sets the deviation.
• Use a single feedback signal.
Use Table 12.31 to select how the feedback signal is input to the drive for PID control.
PID Feedback Input Method
MFAI terminal A1
MFAI terminal A2
Pulse train input terminal RP
• Use two signals, and use the difference between those signals as the feedback signal.
The drive uses two feedback signals, and the difference between those signals becomes the deviation.
Use Table 12.32 to select how the second feedback value is input to the drive. The drive calculates the deviation
of the second feedback value. Set H3-02 or H3-10 = 16 [Terminal A1 or A2 Function Selection = Differential
PID Feedback] to enable the second feedback signal used to calculated the deviation.
PID Differential Feedback Input Method
MFAI terminal A1
MFAI terminal A2
Note:
If you set H3-02 and H3-10 = 16, it will trigger oPE07 [Analog Input Selection Error].
500
Table 12.30 Input Methods for the PID Setpoint
Table 12.31 PID Feedback Input Method
Table 12.32 PID Differential Feedback Input Method
Setting Value
Set H3-02 = C [Terminal A1 Function Selection = PID Setpoint].
Set H3-10 [Terminal A2 Function Selection] = C.
Sets MEMOBUS/Modbus register 000FH (Control Selection Setting) bit 1 to 1 (PID
setpoint input). Enters the PID setpoint to MEMOBUS/Modbus register 0006H (PID
Target, 0.01% units, signed).
Set H6-01 = 2 [Terminal RP Pulse Train Function = PID Setpoint Value].
Set b5-18 = 1 [b5-19 PID Setpoint Selection = Enabled]. Enters the PID setpoint to b5-
19.
Setting Value
Set H3-02 = B [PID Feedback].
Set H3-10 = B.
Set H6-01 = 1 [PID Feedback Value].
Setting Value
Set H3-02 = 16 [Differential PID Feedback].
Set H3-10 = 16.
YASKAWA SIEPC71061753A GA500 Technical Manual
Table 12.30