omron — 3-wire Input Function

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. 4 Functions •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 (2) When using STA and STP ON OFF STA ON OFF STA STP STP OFF ON F/R Output frequency Forward Reverse Output frequency 4-58 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 ON Forward