Connecting the Motor
W
:
arning
microstepping drive, be sure that the motor power supply is switched off. When using
a motor not supplied by a
can't short out to anything. Never disconnect the motor while the drive is powered up.
Never connect motor leads to ground or to a power supply. (See the Typical Wiring
Diagram shown on page 2-4 of this chapter for the step motor lead color code of
a
utomation
You must now decide how to connect
your stepping motor to the SureStep
STP-DRV-4035 microstepping drive.
Four Lead Motors
Four lead motors can only be connected
one way. Please follow the wiring
diagram shown to the right.
Note: All A
motors are four lead bipolar step motors.
Six Lead Motors
Six lead motors can be connected in series or center tap. In series mode, motors
produce more torque at low speeds, but cannot run as fast as in the center tap
configuration. In series operation, the motor should be operated at 30% less than
rated current to prevent overheating. Wiring diagrams for both connection methods
are shown below. NC means not connected to anything.
Grn/Wht
A–
White
NC
Green
A+
6 Leads Series Connected
Note: Be aware that step motor wire lead colors vary from one manufacturer to another.
5th Ed., Rev. B
01/2019
Chapter 3: SureStep
When connecting a step motor to the SureStep™ STP-DRV-4035
utomation
D
supplied motors.)
irect
D
SureStep™
utomAtion
irect
6
lead
motor
Red/
Red
Black
Wht
B–
NC
B+
SureStep
STP-DRV-4035 Microstepping Drive
TM
D
, secure any unused motor leads so that they
irect
TM
Red
A+
A–
White
Green
4 Leads
Grn/Wht
A–
White
A+
NC
Green
Red
6 Leads Center Tap Connected
Stepping Systems User Manual
TM
4
lead
motor
Black
B+
B–
6
lead
motor
Red/
Wht
Black
B–
B+
NC
3–5
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