Delta VFD220C4EA-21 - Page 485

Chapter 12 Descriptions of Parameter SettingsC2000 Plus
12.1-01-36
Super heavy duty
Control mode
Models
Default
(kHz)
VF
SVC
VFPG
IMFOCPG
IMTQCPG
PMFOCPG
PMTQCPG
PMFOC
IPMFOC
IMFOC
IMTQC
SRMFOC*
Settings (kHz)
VFD007~110C23A/E
VFD007~150C43A/E
4
2
–15 2–10 2–8 4–8 4–10 4–12 4–8
VFD150~450C23A/E
VFD185~550C43A/E
4
2–10 2–10 2–8 4–8 4–10 4–10 4–8
VFD550~900C23A/E
VFD750~3150C43A/E
4
2
–9 2–9 2–8 4–8 4–9 4–9 4–8
VFD3550~5600C43A
VFD3550~5600C43E
3
2
–9 2–9 2–8 4–8 4–9 4–9 4–8
NOTE: In SRMFOC mode, the carrier frequency default is 4 kHz.
Light duty / Normal duty / Heavy duty
Models / Control mode
VF, VFPG, SVC
Settings (kHz) Default (kHz)
1~15HP (575V) 2–15 6
20~600HP (690V) 2–9 4
850HP (690V) 2–9 3
 From the table, you see that the PWM carrier frequency has significant influences on the
electromagnetic noise, the AC motor drive heat dissipation, and the motor acoustic noise.
Therefore, if the surrounding noise is greater than the motor noise, lower the carrier frequency is
good to reduce the temperature rise. Although it is quiet operation in the higher carrier frequency,
the entire wiring and interference resistance should be considerate.
 When Pr.00-11 = 8 (SynRM sensorless control), the maximum carrier frequency is 8 kHz.
 When the carrier frequency is higher than the factory setting, it needs to protect by decreasing the
carrier frequency. See Pr.06-55 for the related setting and details.
00-19
PLC Command Mask
Default: Read only
Settings bit0: Control command is forced by PLC control
bit1: Frequency command is forced by PLC control
bit2: Position command is forced by PLC control
bit3: Torque command is forced by PLC control
 Determine if the frequency command, control command or torque command is locked by PLC.