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3
3
3
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ure
S
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Stp-DRV-4035
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icRoStepping
D
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C
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In This Chapter...
Features � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �3–2
Specifications � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �3–3
Typical Wiring Diagram � � � � � � � � � � � � � � � � � � � � � � � � � � � �3–4
Connection and Adjustment Locations � � � � � � � � � � � � � � � � �3–4
Connecting the Motor� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �3–5
Connecting the Power Supply � � � � � � � � � � � � � � � � � � � � � � � � � � �3–6
Connecting the Logic � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �3–7
Using Logic That is Not 5 volt TTL Level � � � � � � � � � � � � � � � � � � �3–9
The Enable Input � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �3–9
Setting Phase Current � � � � � � � � � � � � � � � � � � � � � � � � � � � � �3–10
Current Setting Formula � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �3–10
Current Setting Table � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �3–11
Microstepping � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �3–12
Idle Current Reduction � � � � � � � � � � � � � � � � � � � � � � � � � � � �3–13
Self Test � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �3–13
Dimensions � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �3–15