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8.3.2 Variable-speed operation using contact input signals
Pr. 4
"three-speed setting (high speed)"
Pr. 5
"three-speed setting (middle speed)"
Pr. 6
"three-speed setting (low speed)"
Pr. 24 to 27 "multi-speed setting (speed 4 to 7)"
Pr.
4 to 6
24 to 27
Combining "ON"/"OFF" of the contact signals allows you to choose the preset
running speed (any of up to seven different speeds).
The following table lists the relationships between the contact signal input
combinations and running speeds.
Contact Signal
Input
Speed
RH
RM
Speed 1
ON
OFF OFF
Speed 2 OFF
ON
Speed 3 OFF OFF
Speed 4 OFF
ON
Speed 5
ON
OFF
Speed 6
ON
ON
Speed 7
ON
ON
Simultaneous input of the multi-speed operation signal and analog
speed signal (across terminals 2-5) gives priority to the multi-speed
MEMO
operation signal.
Any setting less than 300r/min will be a stop (0r/min) setting.
Setting Range
0 to 7200
0 to 7200
9999
Running Speed
Setting
Parameter
RL
Pr. 4
OFF
Pr. 5
ON
Pr. 6
ON
Pr. 24
ON
Pr. 25
OFF
Pr. 26
ON
Pr. 27
8-4
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8 PARAMETER FUNCTIONS
Unit
r/min
Remarks
When two or more contact signals are
"ON", priority is given to the signals in
order of terminals RL, RM and RL.
When performing multi-speed operation at
speeds 4 and higher, set the running
speeds in the corresponding parameters.
When "9999" is set in the parameter, input
of the corresponding signal performs
operation at the lower preset speed.
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