Mitsubishi Electric FR-A700 Series, Техническое руководство, Страница: 545 / 550

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RACTICAL CIRC
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PRACTICAL CIRCUITS
4.11 Multi-speed operation application example
(A700, F700,
E700)
Multi-speed operation of 15-speed is available. The following application gives an example of operation requires more multi-
speed operation.
(1) 18 speed operation
(2) To add an external potentiometer to further increase the number of speeds
*1 When the relay R turns ON, operation is performed at the frequency set by the frequency setting potentiometer (external
potentiometer). In this case, the relays J, HH, EX, H, M and L should all be OFF.
Speed
Relay Contacts
Setting
J HH EX H M L
Lowest speed OFF OFF OFF OFF OFF OFF [ Pr. 2 ]
JOG ON — — — — — [ Pr. 15, 16 ]
Speed 3 (low speed) OFF — OFF OFF OFF ON [ Pr. 6 ]
Speed 2 (middle speed) OFF — OFF OFF ON OFF [ Pr. 5 ]
Speed 1 (high speed) OFF — OFF ON OFF OFF [ Pr. 4 ]
Speed 4 OFF — OFF OFF ON ON [ Pr. 24 ]
Speed 5 OFF — OFF ON OFF ON [ Pr. 25 ]
Speed 6 OFF — OFF ON ON OFF [ Pr. 26 ]
Speed 7 OFF — OFF ON ON ON [ Pr. 27 ]
Speed 8 OFF — ON OFF OFF OFF [ Pr. 232 ]
Speed 9 OFF — ON OFF OFF ON [ Pr. 233 ]
Speed 10 OFF — ON OFF ON OFF [ Pr. 234 ]
Speed 11 OFF — ON OFF ON ON [ Pr. 235 ]
Speed 12 OFF — ON ON OFF OFF [ Pr. 236 ]
Speed 13 OFF — ON ON OFF ON [ Pr. 237 ]
Speed 14 OFF — ON ON ON OFF [ Pr. 238 ]
Speed 15 OFF — ON ON ON ON [ Pr. 239 ]
Highest speed OFF ON OFF OFF OFF OFF [ Pr. 125 ]
A700 F700 E700
IM
U
V
W
R
S
T
EX
H
M
L
J
HH
Start
RH
RM
RL
JOG
SD
REX
10
2
STF (STR)
SD
MC
Inverter
MCCB
Power
supply
Motor
R
HH
10
2
5
*
Inverter
Frequency setting
potentiometer
2W1k
Ω