IMO iDrive Instruction Manual page 65

Frequency command
When b84 = 000: only UP/DOWN on the keypad can control and the setting of A01 has no
relationship.
When b84 = 001: only VR on the keypad can control and the setting of A01 has no
relationship.
• Remote mode
Run command from the run parameter (A00) set
Frequency command from the frequency parameter (A01) set
Tip!
Quick changeover between LOCAL and REMOTE control modes can be made by simultaneously
pressing the ▼/RESET and the DATA/ENT keys on keypad. Modes can be 'toggled' by this method.
Note that the motor must be stopped before changeover is allowed.
b85 Remote keypad control
When b85 = 001, the following parameters will be auto set:
Inverter communication address No 1
Baud rated (bps): 38400
Stop bits: 1 bit
Note: 1. Connect remote keypad in stop mode; control priority is with Remote keypad
2. If the remote keypad is connected in run mode, it will not be effective until the
inverter is in stop mode.
b86 Carrier frequency (KHz) : 004-016
Set this parameter from 4-16KHz as required. (Default is 10 KHz).
Note: In situations where there is excessive audible noise from the motor or it is required to
reduce electrical interference from the inverter caused by use of long cable then the
carrier frequency can be adjusted as follows:-
To reduce electromagnetic interference due to long cable etc, decrease carrier frequency.
•
To reduce motor audible noise, increase carrier frequency.
•
b86 Carrier frequency
004 4KHz
005 5KHz
006 6KHz
007 7KHz
000: Disable
001: Enable. Operation according to b92 if wire break
002: Enable. Operation at the last set frequency if wire
break
(Stop mode by Inverter keypad or A00 parameter as
appropriate).
b86 Carrier frequency
008 8KHz
009 9KHz
010 10KHz
011 11KHz
4-32
Data bits: 8 bit
Parity: no parity
b86 Carrier frequency
012 12KHz
013 13KHz
014 14KHz
015 15KHz
Chapter 4 Software index
b86 Carrier frequency
016 16KHz