Epson LQ 1050 Technical Manual - Page 90
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REV.-A q Drive f:,: 1,,. . When driving the carriage, the phase excitation sequence differs depending the carriage speed and direction. The table below shows the phase excitation sequences. Table 2-7. 2-2 phase Excitation Drive Sequence ] Step No. Phase A Left to Right Phase B Phase C I Phase D Phase A Right to Left Phase B Phase C Phase D 1 ON ON ON ON 2 ON ON ON' ON 3 I 4 ON ON I I I I ON ON ON I I ON I ON ON Table 2-8. 1-2 phase Excitation f i- Drive Sequence Step No. Phase A 1 ON 2 ON 3 ON 4 5 6 7 8 Left to Right Phase B Phase C ON ON ON ON ON ON Phase D ON ON ON Phase A ON ON ON Right to Left Phase B Phase C ON ON ON ON ON ON Phase D "ON ON ON 2-46
REV.-A
Drive
When driving the carriage,
direction. The table below
f:,:
1,,.
.
the
phase excitation sequence differs depending the carriage speed and
shows the phase excitation sequences.
Table 2-7. 2-2 phase Excitation
Drive
Sequence
]
Left to Right
I
Right to Left
Step No.
Phase A
Phase B
Phase C
Phase D
Phase A
Phase B
Phase C
Phase D
1
ON
ON
ON
ON
2
ON
ON
ON’
ON
3
ON
ON
ON
ON
I
I
I
I
I
I
I
I
4
ON
ON
ON
ON
Table 2-8. 1-2 phase Excitation
Drive Sequence
Left to Right
Right to Left
Step No.
Phase A
Phase B
Phase C
Phase D
Phase A
Phase B
Phase C
Phase D
1
ON
ON
ON
ON
2
ON
ON
3
ON
ON
ON
“ON
4
ON
ON
5
ON
ON
ON
ON
6
ON
ON
7
ON
ON
ON
ON
8
ON
ON
f
-
i–
2-46