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參數(shù)資料
| 型號(hào)： | GS-D200S |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | 2/2.5A Bipolar Stepper Motor Driver Modules(2/2.5A雙極型步進(jìn)電機(jī)驅(qū)動(dòng)器模塊) |
| 中文描述： | 2/2.5A雙極步進(jìn)電機(jī)驅(qū)動(dòng)器模塊（2/2.5A雙極型步進(jìn)電機(jī)驅(qū)動(dòng)器模塊） |
| 文件頁(yè)數(shù)： | 6/17頁(yè) |
| 文件大小： | 183K |
| 代理商： | GS-D200S |
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BIPOLAR STEPPER MOTOR BASICS
Simplified to the bare essentials, a bipolarperma-
nent magnet motor consists of a rotating-perma-
nent magnet surrounded by stator poles carrying
the windings (fig. 5).
Figure 5: Simplified Bipolar Two Phase Motor
Bidirectional drive current is imposed on windings
A-B and C-D and the motor is stepped by commu-
tating the voltage applied to the windings in se-
quence. For a motor of this type there are three
possible drive sequences.
Figure 6: One-Phase-on (Wave Mode) Drive
One-Phase-on or Wave Drive
Only one winding is energized at any given time
according to the sequence :
AB - CD - BA - DC
(BAmeans that the current is flowing from Bto A).
Fig. 6 showsthe sequence for a clockwiserotation
and the corresponding rotor position.
Two-Phase-on or Normal Drive
Thismode gives the highesttorque since two wind-
ings are energized at any given time according to
the sequence (for clockwise rotation).
AB & CD ; CD & BA ; BA& DC ; DC & AB
Fig. 7 shows the sequence and the corresponding
positionof the rotor.
Half Step Drive
This sequence halves the effective step angle of
the motor but gives aless regular torque being one
winding or two windings alternatively energized.
Eight steps are required for a complete revolution
of the rotor.
The sequence is:
AB ; AB & CD ; CD ; CD & BA; BA; BA& DC ;
DC ; DC & AB
as shown in fig. 8.
By the configurations of fig. 6, 7, 8 the motor would
have a step angle of90
°
(or45
°
inhalf step).Real
motorshave multiple poles pairs to reduce the step
angle to a few degrees but thenumber of windings
(two) and the drive sequence are unchanged.
GS-D200/GS-D200S
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