User Manual

5-30
Figures 5.28 and 5.29 show 1/2-phase and 2-phase excitation.
Idle Operating
SPI1, 2
SPM0
(φA)
SPM1
(φB)
SPM2
(φC)
SPM3
(φD)
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
(φA)
SPM1
(φB)
SPM2
(φC)
SPM3
(φD)
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