External Operation; Use The Set Frequency Set By The Operation Panel (Pr. 79 = 3) - Mitsubishi Electric FR-F740 EC Instruction Manual

Fr-f700 series
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Operation
4.6

External operation

From where is the frequency command given?
● Operation at the frequency set in the frequency setting mode of the operation panel. (Refer
to section 4.6.1.)
● Give a frequency command by switch (multi-speed setting). (Refer to section 4.6.2.)
● Perform frequency setting by a voltage output device. (Refer to section 4.6.3.)
● Perform frequency setting by a current output device. (Refer to section 4.6.4.)
4.6.1

Use the set frequency set by the operation panel (Pr. 79 = 3)

● Set "3" in Pr. 79 (External/PU combined operation mode 1).
● Switch terminal STF (STR)-PC on to give a start command.
● Refer to section 4.5.1 for the set frequency by the operation panel.
Fig. 4-21: External operation
FR-F700 EC
Power
supply
Forward rotation start
Reverse rotation start
Inverter
Motor
Set frequency
External operation
I001081E
4 - 27

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