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Archive for February 16th, 2013

Stepper Driver Specs: 2M415

Collected from various spots around the Web, including evanescent eBay listings, and reformatted to make sense, these specs describe the 2M415 stepper driver: a smaller sibling of the 2M542 family.

Blurb

  • +15 to 40VDC Supply Voltage
  • H-Bridge, 2 Phase Bi-polar Micro-stepping Drive
  • Suitable for 2-phase, 4, 6 and 8 leads step motors, with Nema size 16 to 23
  • Output current selectable from 0.21 ~ 1.5A peak
  • Compact credit card size package
  • Optically isolated single ended TTL inputs for Pulse, Direction and Enable signal inputs
  • Selectable resolutions up to 12800 steps
  • Over Voltage, Coil to Coil and Coil to Ground short circuit protection.

Electrical specs

Parameters Min Typ Max Unit
Output Current (Peak) 0.21 1.5 Amp
Supply voltage 15 36 40 VDC
Logic Input Current 7 10 16 mA
Pulse input frequency 0 200 KHz
Low Level Time 2.5 µsec

Mechanical specs

Cooling Natural Cooling or Forced Convection
Space Avoid dust, oil, frost and corrosive gases
Ambient Temp 0 °C – 50 °C
Humidity 40 – 80 %RH
Vibration 5.9 m/s² Max
Storage Temp. -10 °C – 80 °C
Weight Approx. 150 gram

Dimensions

2M415 Footprint

2M415 Footprint

Wiring diagram

2M415 Wiring

2M415 Wiring

Notice that the driver requires a positive voltage for the optoisolators.

Of course, the box from halfway around the planet contained HB-415M drivers. Should you go looking with the usual keywords, you’ll find that HB-number turns up mostly “House Bill number” citations from various state legislatures. Popping the top off the drive reveals www.sikesai.com, which eventually produces a description and PDF datasheet for the driver. It turns out to be an “Ultra Low Noise” driver, whatever that means, with reasonably standard specifications that correspond more-or-less to the 2M415 drivers I thought I was getting.

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