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1. Introductions and Features
1.1 Introductions
The ISD02/04/08 is a parallel port control series of miniature high performance stepper motor drivers. Its
biggest feature is its small size and strong driving ability. Its thickness is less than 14 mm. They can be
directly mounted onto NEMA 8/11/14/17/23/24/34 series stepper motors with the corresponding flange.
ISD02 can provide 0-2A adjustable peak current;ISD04 can provide 1. 5-4A adjustable peak current; ISD08
can provide 3-8A adjustable peak current. Its high-speed current compensation function can compensate for
the effects of back electromotive force when the motor rotates at high speed. The ISD02 uses 10-28V DC
power supply, and the ISD04 and the ISD08 use 10-40V DC power supply.
1.2 Features
Miniature size 42. 3mm*42. 3mm*16. 5mm
Integrated with the motor, can also work separately
All-aluminum precision cast housing, sturdy and durable, good heat dissipation
0 - 2A / 1. 5 - 4A / 3 - 8A adjustable output current(ISD02/ISD04/ISD08)
5 selectable microstep solutions including 200, 400, 800, 1600, 3200
H-bridge bipolar constant current, online controllable offline / enable
Optical-isolated inputs
Automatic Current Reduction
Maximum frequency of whole step 12KHz; Maximum frequency of 3200 microstep 200KHz
2. Specifications
2.1 Electrical Specifications (Tj = 25℃/77℉)
Supply Power
Motor Output Current
Driving Mode
Microstep Resolution
Insulation Resistance
Dielectric Strength
2.2 Operating Environment and other Specifications
Cooling
Working Environment
Working
Humidity
Vibration
Storage temperature
Weight
10-40VDC(10-28VDC for ISD02)
Max 2A/4A/8A per phase (Adjustable through on-board
trimmer)
PWM constant current
200, 400, 800, 1600, 3200 set through on-board DIP switch 1
and switch 2
>100MΩ
0. 5KV in one minute
Free air
Avoid dust, oil fog and corrosive gases
-40℃ - 85℃
<80%RH，no condensation, no frosting
3G Max
-50℃ - 150℃
0. 1kg
1
ntegrated Stepper Motor Driver ISD02/04/08
I
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