Operating Instructions

Descriptions of Parameter Settings
Descriptions of Parameter Settings
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Fig. 28:
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 to reduce the temperature rise. Although the motor has quiet
operation in the higher carrier frequency, consider the entire wiring and interference.
When the carrier frequency is higher than the default, decrease the carrier frequency to protect the drive. Refer to
Pr.06-55 for the related setting and details.
Pr.
Explanation
Settings
Default
00-19
PLC command mask
bit 0: Control command is forced by PLC control
bit 1: Frequency command is forced by PLC control
bit 3: Torque command is forced by PLC control
Read only
Determines if the frequency command, control command or torque command is locked by PLC.
Pr.
Explanation
Settings
Default
00-20
Master frequency command
source (AUTO, REMOTE)
Note: HOA (Hand-Off-Auto)
function is valid only when you
use with MO function setting 42
and 56 or with KPC-CC01
(optional).
0: Digital keypad
1: RS-485 communication input
2: External analog input (Refer to Pr.03-00)
3: External UP/DOWN terminal (multi-function input terminals)
4: Pulse input without direction command (See Pr.10-16 without
considering direction)
6: CANopen communication card
7: Digital keypad potentiometer knob
8: Communication card (does not include CANopen card)
9: PID controller
0
Determines the master frequency source in the AUTO, REMOTE mode. The default is AUTO mode.
You can switch the AUTO, REMOTE mode with the keypad KPC-CC01 (optional) or the multi-function input
terminal (MI) to set the master frequency source.
It returns to AUTO or REMOTE mode whenever you cycle the power. If you use a multi-function input terminal to
switch between HAND (LOCAL) and AUTO (REMOTE) mode, the highest priority is the multi-function input
terminal.
The pulse of Pr.00-20=4 (Pulse input without direction command) is input by PG or MI7.