Frequency Reference
6-3
Inputting the Frequency Reference Using Control Circuit Terminal (Analog Setting)
When b1-01 is set to 1, you can input the frequency reference from control circuit terminal AI1.
Fig 6.2 Voltage Input for Master Speed Frequency Reference
INFO
“ISO AMP” has two types of input, voltage input and current input. The standard Inverter is equipped with an
“ISO AMP” which is proportional to 4-20 mADC. When changing the external reference, change the ”ISO
AMP” as well.
Frequency
reference
4-20 mADC
or
0-10 VDC
-10 V to +10 V
Modulator board
ISO
AMP
AI1 1
2
3
GND
FG
L1
L2
L3
CN39
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