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e-STUDIO350/352/353/450/452/453
SCANNER
6
6 - 5
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6.3.2 Scanning drive circuit
The scan motor is a 2-phase stepping motor and driven by the driver IC (IC16).
SLG board
GND
B
+24V
B
A
+24V
A
+24V
DG
EN
CWB
RESET
VREF
M3
M2
M1
CLK
GND
MOTEN
MOTDIR
MOTRST
MOTREF
MOTMD3
MOTMD2
MOTMD1
MOTCLK
Voltage to set value for
motor current
Clock input
Cut off output
Reset
Excitation mode setting
(
3
)
Excitation mode setting
(
2
)
Excitation mode setting
(
1
)
Rotation direction setting
RESET IC
Scanner
CPU
GND
+24V
+5V
+5V
M
Scan motor
Fig. 6-302
05/11