EPSON
LQ-580
Revision
C
Operating
Principles
Circuit
Operation
55
o
PF
Motor Circuit
The
PF motor drive circuit is shown below (Refer to Appendix - Cuicirt Diagram in detail).
Figure
2-7. PF Motor Drive Circuit
The
PF motor circuit specifications are shown in the table below.
Table
2-8.
Control
Signal
Reference
Current
Items
Specification
Drive
voltage
+35V±
6%
Driving
method
Regular
current uni-polar drive
Driving
IC
SANYO
LB1847
Excitation
method
2-2
phase / 1-2 phase (orthogon)
Phase
switching
Generate
driving IC control signal by G/A based on trigger signal
(CPU
output) and output.
Current
value setting
Vref
setting by dividing resistance Setting: 2
Current
detection
resistance
0.82
Ω
±
2% 1W
Reset
output
ENA/
ENB signal (G/A output) both: High (Output current OFF)
Items
Specification
Содержание LQ-570e
Страница 8: ...C H A P T E R 1 PRODUCT DESCRIPTION ...
Страница 46: ...C H A P T E R 2 OPERATINGPRINCIPLES ...
Страница 57: ...C H A P T E R 3 TROUBLESHOOTING ...
Страница 70: ...C H A P T E R 4 DISASSEMBLYANDASSEMBLY ...
Страница 93: ...C H A P T E R 5 ADJUSTMENT ...
Страница 101: ...C H A P T E R 6 MAINTENANCE ...
Страница 106: ...C H A P T E R 7 APPENDIX ...
Страница 119: ...EPSON LQ 570e LQ 580 Revision C Appendix Components Layout 119 Figure 7 3 C293PSB Component Layout ...
Страница 120: ...EPSON LQ 570e LQ 580 Revision C Appendix Components Layout 120 Figure 7 4 C293PSE Component Layout ...
Страница 127: ......
Страница 128: ......
Страница 129: ......