Paper Feeding; Stepping Motor Specification; Excitation Sequence; Printer Connectors - ELCOM EURO-2500 Service Manual

© Elcom s. r. o.

3.3 Paper feeding

3.3 Paper feeding
The feeding of paper in POS-4000 is taken care of by twin stepping motors. One feed step will feed 0.125 mm of paper tape.
3.3.1 Stepping motor specification 3.3.1 Stepping motor specification

3.3.2 Excitation sequence

3.3.2 Excitation sequence
Step 1
Step 2
Step 3
Step 4

Tab. 3.3: Excitation sequence

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Fig. 3.4: Excitation sequence chart

3.4 Printer connectors

3.4 Printer connectors

Tab. 3.4: Printer connectors

Euro 2500
TX
Item
Type
Control method
Excitation
Coil resistance per phase
Operating voltage
Current per phase
Tab. 3.2: Stepping motor specification
Input signal
PH1 PH2
L H
H H
H L
L L
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Number Function
1 Thermal head
2 Motor connector
3 Sensor connector
Specification
PM
Bipolar control
2 × 2 phase excitation
36 Ω ± 10%
24 V
Approx. 107 mA
B
L H
H H
H L
L L
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Number of pins
16
4
5
Output signal
A B
H L
L L
L H
H H
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ELCO
MOLEX, 53325-41
MOLEX, 53325-51
Service manual
A
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