Basic settings
External operation
FR-E700 SC EC/ENE
5 - 39
5.3.5
Perform frequency setting by analog current input
An external current source is connection to the frequency inverter for setpoint default setting.
●
Switch terminal STF (STR)-PC on to give a start command.
●
Turn the AU signal on.
●
Pr. 79 "Operation mode selection" must be set to "2" (external operation mode).
I001094E
Fig. 5-29:
Frequency setting by analog current input
NOTE
For the analog current input (0/4 to 20 mA) to become effective for setpoint default setting, the AU
signal on the AU terminal must be activated. This is done, for example, by means of a bridge as
shown in Fig. 5-29.
Power supply
Motor
Inverter
Current signal
source
(0/4–20 mA DC)
Forward rotation start
Reverse rotation start
AU signal
Содержание fr-e700 series
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