R51
40672201TH Rev. 4
A3 - 12
A3.1.9
R51 Circuit Diagram (Page 9/12)
1.
Block diagram
The circuit diagram shown on page 9/12 consists of the following function and connec-
tors:
•
TA1 (Send motor driver)
•
TR508/TR507 (Clutch driver)
•
Connector CN1 that provides an interface between R51 board and the send motor.
•
Connector CN2 that provides an interface between R51 board and the clutch.
Figure A3.1.11 shows the related signals of the send motor and clutch.
2.
Function
1)
Send motor rotation and chopper control
Send motor drive signals are generated by the IEXSEED300 and output to send
motor via IC7 (motor drive IC) of this circuit.
Note: The built-in motor control circuit of IEXSEED300 consists of the following
blocks:
•
Setting of the excitation operation
•
Setting of the chopping operation
•
Setting of the motor excitating method (1-2/2-1 phase excitation)
a)
Send motor rotation control
There are several cases of the rotation operation:
Forward rotation for feeding documents.
•
Case 1: Feeding document from hopper to the position where one line
data is read.
•
Case 2: Feeding document while reading.
•
Case 3: Feeding document after a page has been read.
b)
Send motor chopper control
The purpose of chopper control is to reduce the current to the motor by
setting the phase signal on and off intermittently when a time lapse exceed-
ing a specific time occurs without a phase update.
2)
Clutch
When starting to print, performs the paper supply of recording paper by using this
clutch. Clutch is driven by clutch signal generated from IOGA4.
Содержание OKIOFFICE84
Страница 7: ...40672201TH Rev 4 CHAPTER 1 GENERAL INFORMATION...
Страница 44: ...40672201TH Rev 4 CHAPTER 2 INSTALLATION PROCEDURE...
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Страница 128: ...40672201TH Rev 4 CHAPTER 4 MECHANICAL DISASSEMBLY AND REASSEMBLY...
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Страница 155: ...40672201TH Rev 4 CHAPTER 5 ADJUSTMENTS...
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Страница 232: ...40672201TH Rev 4 CHAPTER 8 DIPSWITCHS SETTING TABLES...
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Страница 435: ...40672201TH Rev 4 Appendix F PC Loading Second Edition December 1998 Oki Data Corporation...
Страница 436: ...40672201TH Rev 4 FX 051 SYSTEM SPECIFICATION PC LOADING PART Ver 00 11 Oki Data Confidential...
Страница 448: ...40672201TH Rev 4 Appendix G RMCS SYSTEM MANUAL For Model 30 Second Edition December 1998 Oki Data Corporation...
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