參數(shù)資料
型號(hào)： UPD168113K9-9B4-A
廠商： NEC Corp.
英文描述： MOS INTEGRATED CIRCUIT
中文描述： 馬鞍山集成電路
文件頁數(shù)： 32/50頁
文件大小： 771K
代理商： UPD168113K9-9B4-A
Data Sheet S16423EJ2V0DS
32
μ
PD168113
Figure 11
3. Transition of Switching of Micro Step Driving
1-2 Phase Excitation
2-phase Excitation
(If Number of Pulses Is Set to 1 for Switching)
Driving mode
Micro step
1-2 phase
excitation
two-phase
excitation
1-2 phase
excitation
Micro step
two-phase
excitation
1st quadrant
2nd quadrant
3rd quadrant
4th quadrant
0 1 to 7
8 9 to 15
16 17 to 23
24 25 to 31
32 33 to 39
40 41 to 47
48 49 to 55
56 57 to 63
11.6.6 Constant-current changing when two-phase excitation/1-2 phase excitation
Da is used to select whether the motor is driven at an output duty of 100% (maximum torque operation) or under
constant-current control when the two-phase excitation driving or the 1-2 phase excitation driving is selected.
When Da = 0, the motor is driven at an output duty of 100%. It is excited in two-phase or 1-2 phase and driven at the
maximum torque regardless of the current setting.
When Da = 1, the motor is excited in two-phase or 1-2 phase at the motor current setting. The output current value
is controlled to be the same value as the driving current at the phase A = phase B position (position of step
θ
8) in the
micro step driving mode.
Da
Operation Mode
0
Output duty 100% drive
1
Constant-current control drive
Examples of the motor current waveform is shown
12. STEPPING MOTOR DRIVING WAVEFORM.
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