Stepper Motor Controllers & Indexers

pStepper Motor Controllers are current amplifiers that turn a low-current control signal into a higher-current signal to drive stepper motors. They run using a type of open-loop system that takes digital step and direction inputs by a programmable pulse generator known as an indexer. In other words, Indexers take a signal from a computer or any other control device and turn them into pulses. Drivers or Stepper Motor Controls take these pulses and transfer them into a current (motion, steps, torque, speed) so the stepper motor can move accordingly. A user is able to operate and control steps using an interface. /p h2Types of stepper drivers/h2 pThere are many types of stepper drivers, including PWM/chopper drivers, L/R drivers and recirculating chopper drivers. The two most common are bipolar and unipolar drivers. Bipolar drives have a single winding with two leads per phase. The winding has a current that needs to be reversed so that magnetic poles can also be reversed in the correct order. Unipolar drivers have one winding with a centre tap per phase. This means that the magnetic pole can be reversed without switching the direction of a current, so a single transistor can be used per each individual winding./p h2What are stepper drivers used for?/h2 pStepper drivers typical applications are current amplifiers in stepper motors. However, they can also be used for any device that operates at more than 50–100 mA./p

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Description Price For Motor Type Current Rating Voltage Rating Board Supply Voltage Motor Supply Voltage Overall Length Overall Width Overall Depth
RS Stock No. 905-8780
BrandRS PRO
£133.09
Each
Units
Bipolar 4.4 A 48 V 24 → 48V - 92mm 85mm 23mm
RS Stock No. 905-8786
BrandRS PRO
£79.84
Each
Units
Bipolar 2.2 A 48 V 24 → 48V - 78mm 68mm 21mm
RS Stock No. 793-4127
Mfr. Part No.G201X
BrandGeckodrive
£143.33
Each
Units
Stepper Motor 7 A 80 V dc 18 → 80V dc - 2.5in 0.83in 2.58in
RS Stock No. 240-7920
Mfr. Part No.GSM 2
£63.48
Each
Units
Unipolar 2 A - - 9 → 40V dc 61mm 46mm 15mm
RS Stock No. 829-3553
Mfr. Part No.BS1D200P10
£136.15
Each
Units
Bipolar 2 A 36 V dc - - - - -
RS Stock No. 793-4130
Mfr. Part No.G901X
BrandGeckodrive
£29.70
Each
Units
Stepper Motor - - - - 0.835in 0.850in -
RS Stock No. 443-0102
Mfr. Part No.53107
£24.15
Each
Units
Unipolar 350 mA - 10 → 24V dc - 55mm 40mm -
RS Stock No. 793-4133
Mfr. Part No.GM215
BrandGeckodrive
£263.35
Each
Units
NEMA 17 to 42 Size 7 A - 18 → 80V dc 18 → 80V dc 2.5in 2.5in 0.85in
RS Stock No. 896-8553
Mfr. Part No.G250X
BrandGeckodrive
£64.80
Each
Units
Stepper Motor 3.5 A 50 V dc 15 → 50V dc 50V dc 42.55mm 33.66mm 12.7mm
RS Stock No. 829-3556
Mfr. Part No.US1D200P10
£137.19
Each
Units
Unipolar 3 A 36 V dc - - - - -
RS Stock No. 441-0265
Mfr. Part No.MSE570 EVO 2
£183.11
Each
Units
Bipolar 3.5 A - 15 → 48V dc - 160mm 100mm 35.5mm
RS Stock No. 877-7216
Mfr. Part No.STR-2M
£155.76
Each
Units
Bipolar 0.3 → 2.2 A 12 → 48 V dc - - 92.6mm 56mm 20.8mm
RS Stock No. 896-8566
Mfr. Part No.G540
BrandGeckodrive
£411.88
Each
Units
Stepper Motor 3.5 A 50 V dc 18 → 50V dc 50V dc 161.8mm 60.2mm 31.75mm
RS Stock No. 793-4121
Mfr. Part No.G203V
BrandGeckodrive
£191.98
Each
Units
Stepper Motor 7 A 80 V dc 18 → 80V dc - 2.5in 0.83in 2.58in
RS Stock No. 896-8557
Mfr. Part No.G250 Heatsink + Screws
BrandGeckodrive
£5.38
Each
Units
- - - - - - - -
RS Stock No. 126-0339
Mfr. Part No.G320X
BrandGeckodrive
£114.76
Each
Units
Stepper Motor 20 A 18 to 80 V dc 5V dc - 63.5mm 63.5mm 21mm
RS Stock No. 877-7228
Mfr. Part No.ST10-Q-NN
£341.26
Each
Units
Bipolar 0.1 → 10 A 24 → 80 V dc - - 127mm 76.2mm 44.5mm
RS Stock No. 126-0340
Mfr. Part No.G214
BrandGeckodrive
£198.56
Each
Units
Stepper Motor 7 A 80 V dc - - 69.85mm 71.12mm -
RS Stock No. 877-7225
Mfr. Part No.ST5-Q-NN
£540.28
Each
Units
Bipolar 0.1 → 5 A 24 → 48 V dc - - 127mm 76.2mm 44.5mm
RS Stock No. 455-841
Mfr. Part No.ST5-S
£375.48
Each
Units
Bipolar 5 A - 24 → 48V dc - 3.65in 3in 1.25in
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