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4-2 Function Mode
3-wire Input Function
This function is effective in using auto recovery contacts such as a press button switch for operation
and stop.
Data
Symbol
20
STA
21
Function name
Description
ON
Starts with auto recovery contacts.
OFF
Irrelevant to the motor operation.
ON
Stops with auto recovery contacts.
OFF
Irrelevant to the motor operation.
ON
Reverse
OFF
Forward
3-wire start
STP
22
Status
3-wire stop
F/R
4
3-wire forward/reverse
C001 to C005
Required settings
A002 = 01
•Set RUN command selection A002 to 01 (control terminal).
•The following operations become possible with 20 (STA), 21 (STP), and 22 (F/R) allocated to the
multi-function inputs. With the STA and STP terminals allocated, the FW and RV terminals are
disabled.
(1) When using STA, STP, and F/R
STA
STP
ON
OFF
ON
(2) When using STA and STP
STA
OFF
STP
ON
OFF
ON
OFF
F/R
Output
frequency
Forward
Reverse
Output
frequency
Forward
4-58
Functions
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