INVT Goodrive300-01A Series, Руководство по эксплуатации, Страница: 75 / 175

Goodrive300-01A series VFD for air compressor Function code description
-70-
Function
code
Name Description Default Modify
to 1, and emergency-stop will be applied.
When machine head temperature is lower
than P18.21, the system indicates
low-temperature pre-alarm by setting BIT14 of
P19.13 to 1, and air compressor cannot start.
Setting range: -20
–150
P18.22
Power calibration
coefficient
It is used to calibrate the displayed value of
P19.10 [actual motor output power].
Setting range: 0%
–200%
100%
○
P18.23
Temperature PID
calculation cycle (Ts)
Set the sampling cycle of temperature PID.
Setting range: 0.0
–10.0s
2.0s
○
P18.24 Gain coefficient (kp)
It determines the regulation intensity of
temperature PID regulator, the larger the
value of kp, the stronger the regulation
intensity, however, if it is too large,
temperature oscillation may occur, users can
fine-tune based on the default value.
Setting range: 0.0
–100.0
18.0
○
P18.25
Convergence
coefficient (K)
It determines the converging speed of
temperature PID regulator, the larger the
value of K, the stronger the converging
intensity, however, if it is too large,
temperature oscillation may occur, users can
fine-tune based on the default value.
Setting range: 0.00
–1.00
0.12
○
P18.26
Upper limit of
temperature PID
It is used to limit the output value of
temperature PID, of which 100% corresponds
to the P00.03 max. output frequency of fan.
Setting range: 0.00
–100.00%
100.00%
○
P18.27
Lower limit of
temperature PID
10.00%
○
P18.28
Lower limit voltage of
PT1 (-20°C)
It is used to calibrate temperature detection
circuit before shipment.
Connect to the resistor whose resistance is
the same with that of PT100 at -20°C, read
the voltage value of P17.20 and input it to
P18.28.
Connect to the resistor whose resistance is
the same with that of PT100 at 120°C, read
the voltage value of P17.20 and input it to
3.10V
○
P18.29
Upper limit voltage of
PT1 (120°C)
8.10V
○