Delta Electronics AC Drive VFD-F Series Spezifikationen PDF herunterladen (Seite 114)

VFD-F Series

5-81

11 - 06

Motor Switch Frequency during Fixed Amount Circulation

Factory Setting: 60.00 Hz

Settings 0.00 to 120.00 Hz Unit: 0.01Hz

 This parameter determines frequency that motor runs by commercial power during fixed amount

circulation (11-01=02)/fixed amount control (11-01=03). This parameter should be greater than

commercial frequency. If output frequency of AC drive attains to motor switch frequency, it means

that even motor runs in full speed it can’t make detection value of PID control attains to target value.

Therefore, the power supply of the motor needs to be changed from AC drive to commercial power.

AC drive runs with the next motor and makes the detection value close to target.

 In the following chart

T1: enter sleep process time (Pr.11-07)

T2: motor switch delay time during fixed amount circulation (Pr.11-05)

T3: motor switch delay time (Pr.11-04)

N: motor 1

H>(11-06)

YES

H<(11-08)

T1=T1+1

T2=T2+1

T1=0

T2=0

NOFF



T2>(11-05)

T1>(11-07)

Fixed amount

circulation

control process

PID control

calculates H

Are there any

motors that

doesn't run?

Are there any

motors that power

supply is from

commercial

power?

Sleep

Process

Fixed amount

circulation switch

process

T1 0



Away from commercial

power in order

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