Use Switches To Give A Start Command And A Frequency Command (Multi-Speed Setting) (Pr. 4 To Pr. 6) - Mitsubishi Electric FR-F740 EC Instruction Manual

Operation
4.6.2 Use switches to give a start command and a frequency command (multi-
speed setting) (Pr. 4 to Pr. 6)
● Start command by terminal STF (STR)-PC.
● Frequency command by terminal RH, RM, RL and STR-PC.
● "EXT" must be lit. (When "PU" is lit, switch it to "EXT" with the PU/EXT key.
● The initial values of the terminals RH, RM, RL are 50Hz, 30Hz, and 10Hz. (Use Pr. 4, Pr. 5
and Pr. 6 to change.)
● Operation at 15-speed can be performed by turning two (or three) terminals simultaneously.
(Refer to section 6.5.1.)
Fig. 4-23: Frequency and start command by switches
RH
RM
RL
Fig. 4-24: Multi-speed setting in dependence on the terminals
FR-F700 EC
Power
supply
Forward rotation start
Reverse rotation start
High speed
Middle speed
LOW speed
Speed 1
(High speed)
Speed 2
(Middle speed)
Speed 3
(Low speed)
ON
ON
ON
Inverter
Motor
Speed 5
Speed 6
Speed 4
ON ON
ON ON
ON
External operation
I001086E
Speed 7
t
ON
ON
ON
I000004aC
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