Genicom MatrixPrinter LA36 - Manual (Page 117)

5-30
Figures 5.28 and 5.29 show 1/2-phase and 2-phase excitation.
Idle Operating
SPI1, 2
SPM0
(
φ
A)
SPM1
(
φ
B)
SPM2
(
φ
C)
SPM3
(
φ
D)
Drive
phase A A B B C C D D A A B B C C D D A A
B C D A B C D A B
Figure 5.28 Carriage drive 1/2-phase excitation at low speed
SPI1, 2
SPM0
(
φ
A)
SPM1
(
φ
B)
SPM2
(
φ
C)
SPM3
(
φ
D)
Drive
phase D D A B C D A B C D A B C D A B C D A B C D A B C
A B C D A B C D A B C D A B C D A B C D A B C D
Figure 5.29 Carriage drive 2-phase excitation at high speed