Epson SQ-B50/2550 Technical Manual page 111

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Encoder Section Specifications
REV.-A
Type:
Output phases:
Source voltage:
Current:
Response frequency:
Signal detection section:
Resolution:
Output levels:
Output waveform:
Duty ratio:
Phase difference:
Magnetic-style encoder
A, B
5VDC ±5%
max.70mA
min. 20.0kHz
Magnetic resistance element
120 p/r (equivalent to 180 pulses/inch)
"H" - min. 4.5VDC
"L" - max. OAVDC
Short waves
50%±20%
90±30%
Carriage Home Position Sensor Specifications
Detection method:
photo-interruptor
Withstandable voltage:
to 30VDC
Sink current:
0.3mA (at 10VDC)
Figure 2-46. Carriage Mechanism
2-43
Head adjust lever

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