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4-2 Function Mode
4
Functions
3-wire Input Function
This function is effective in using auto recovery contacts such as a press button switch for operation
and stop.
•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.
Data Symbol Function name Status Description
20 STA 3-wire start
ON Starts with auto recovery contacts.
OFF Irrelevant to the motor operation.
21 STP 3-wire stop
ON Stops with auto recovery contacts.
OFF Irrelevant to the motor operation.
22 F/R 3-wire forward/reverse
ON Reverse
OFF Forward
Related functions C001 to C005
Required settings A002 = 01
(1) When using STA, STP, and F/R
STA
STP
F/R
ON
OFF
OFF
ON
Output
frequency
Forward
Reverse
(2) When using STA and STP
STA
STP
ON
OFF
OFF
ON
Output
frequency
Forward
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