Scanning Drive Circuit - Toshiba e-studio3511, e-studio4511 Manual

6.3.2 Scanning drive circuit

The scan motor is a 2-phase stepping motor and driven by the driver IC-STK-672-071.
PS-ACC-350
SCNVREF
SCCLK-0
SMDT2-1
Scanner
CPU
SMDT1-1
SMDT0-1
CWCCW-0
H.OFF-0
MOTRST
RESET ICE
PWA-F-SLG
November 2003 © TOSHIBA TEC
+24V
GND
Voltage to set value for
motor current
Clock input
Excitation mode setting ( 3 )
Excitation mode setting ( 2 )
Excitation mode setting ( 1 )
Rotation direction setting
Cut off output
Reset
+5V
GND
Fig. 6-302
6 - 5
+24V
B
DIG
+24V
B
A
SCNREF
+24V
A
SCNCLK
SCNMD3
SCNMD2
SCNMD1
SCNDIR
SCNEN
SCNRST
+5V
GND
PWA-F-SDV-350
e-STUDIO3511/4511 SCANNER
M
Scan motor 6