Star Micronics TSP200 Bedienungsanleitung PDF herunterladen (Seite 23)

– 19 –

PRINCIPLES OF OPERATION

Fig. 2-9 Timing Chart

2-3. Feed-Motor Drive Circuit

The printer uses a 4-phase step motor (phase 1-2 excitation) to implement paper feed. The motor rotates through a certain

angle each time it receives a pulse from the drive circuit. The following diagram illustrates the excitation method. Figure

2-11 shows the feed-motor drive circuit.

Fig. 2-10 Motor Control by Phase 1-2 Excitation

Fig. 2-11 Feed-Motor Drive Circuit

1 2 3 4 5 6 7 8

Step

Reverse Feed

Forward Feed

PB4

TP8

TP9

TP10

TP11

CN7

+24V

TR5

TA1

DT9

M-GND

IC1

CPU

STB1

STB2

STB3

HD ON

(B)

BEO

(Q)

Trigger Retrigger Retrigger

1 2 ... 18 19 20 21 22 23 24 25 26 27 28 ... 71 72

Keine Kommentare

Star Micronics TSP200 Bedienungsanleitung Seite 23