Toshiba e-STUDIO200L Service Manual page 160

Input/output signals
Clock input
Set the direction of
motor rotation
Cut off the drive out-
put
Voltage to set value
for the motor current
Set the excitation
mode (1) to (3)
Reset
e-STUDIO200L/202L/203L/230/232/233/280/282/283
SCANNER
MOTCLK Inpu Motor is rotated by setting number of pulses.
t
* Internal circuit of the motor driver works when the
MOTDIR Inpu The direction of the motor rotation is determined by
t
setting the level of signal.
"L"..... Clockwise direction (as seen from the output
"H" .... Counterclockwise direction (as seen from the
MOTEN Inpu Excitation drive is turned ON/OFF.
t
"H" .... Normal operation (Excited)
"L"..... Excitation drive is forcibly shut off (Not excited)
MOTREF Inpu Motor wire current value is set in the range of 0 to 1.7
t
(A)/phase by applying the analog voltage 0 to 5 (V).
MOTMD 1 to 3 Inpu Set the excitation mode.
t
MOTRST Inpu Reset for the whole system
t
Internal circuit of the driver is initialized by setting the
motor to "L" level (pulse interval: 10µsec. or more).
The motor drive circuit is automatically reset when the
power is turned ON.
first pulse becomes ON and the last pulse
becomes OFF.
shaft)
output shaft)
Note:
Do not change the rotation direction within
7µsec. before the first pulse of the MOTCLK
becomes ON and after the last pulse becomes
OFF.
Note:
Do not change the setting within 7µsec. after
the first pulse of the MOTCLK becomes ON and
the last pulse becomes OFF.
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