IDEC MicroSmart - Manual (Page 500)

29: T ROUBLESHOOTING
29-20 « FC4A M ICRO S MART U SER ’ S M ANUAL »
Troubleshooting Diagram 13
Are the input ON/OFF
voltage levels correct?
Call IDEC for assistance.
The interrupt/catch input
cannot receive short pulses.
END
YES
NO
Make sure of correct input voltage.
ON voltage:
15V DC minimum
OFF voltage: 5V DC maximum