Toshiba 3511, 4511 manual Input/output signals

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Input/output signals

			Motor is rotated by setting number of pulse.
Clock input	SCNCLK	Input	* Internal circuit of the motor driver works when the first pulse
			becomes ON and the last pulse becomes OFF.
			The direction of the motor rotation is determined by setting level of
Set the direction	SCNDIR	Input	signal.
of motor rotation			“L” ... Clockwise direction (as seen from the output shaft)
			“H” .. Counterclockwise direction (as seen from the output shaft)
Cut off the drive			Excitation drive is forcibly turned ON/OFF.
	SCNEN	Input	“H” .. Normal operation (Excited)
output
			“L” ... Excitation drive is forcibly shut off (Not excited)
Voltage to set			Motor wire current value is set in the range of 0 to 2.0 (A)/phase by
value for the	SCNREF	Input	applying the analog voltage 0 to 5 (V).
motor current
Set the			Set the excitation mode.
exicitation for the	SCNMD1 to 3	Input
motor current
			Reset for the whole system
			Internal circuit of the driver is initialized by setting the motor to “L”
Reset	RESET	Input	level.
			The motor drive circuit is automatically reset when the power is
			turned ON.

e-STUDIO3511/4511 SCANNER 6 - 6 November 2003 © TOSHIBA TEC