E6581381

Resolution

All FM terminals have a maximum of 1/1000.

■ Example of 4-20mA output adjustment

For details, see section 6.19.1.

 

 

 

 

 

 

 

 

 

H=1, H=0

 

 

 

 

H=1, H=20

 

Output

Output

currrent

currrent

 

 

 

 

 

 

 

H

 

 

Internal calculated value

 

 

Internal calculated value

 

 

 

 

 

 

 

 

Note 1: When using the FM terminal for current output, be sure that the external load resistance is less than 750.

5

Note 2: Note that, if HOUN is set to  (torque), data will be updated at intervals of more than 40 ms.

 

 

 

Adjustment scale with parameter HO (Meter adjustment)

Connect meters as shown below.

<Frequency meter>

 

 

+

Meter: Frequency meter

FM

(default setting)

VF-FS1

-

CCThe reading of the frequency meter will fluctuate during scale adjustment.

*Optional frequency meter: QS-60T

<Ammeter>

FM

VF-FS1

CC

Meter: ammeter

+ (HOUN=)

-

The reading of the ammeter will fluctuate during scale adjustment.

*Make the maximum ammeter scale at least 120 percent of the inverter's rated output current.

E-11

Page 77
Image 77
Toshiba VF-FS1 instruction manual Resolution, Adjustment scale with parameter HO Meter adjustment