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2 layers99.9 × 99.9 mmIo base, the printed circuit board in 3D

AC Servo Driver for STM32F4

Size
99.9 × 99.9 mm
Copper layers
2
Thickness
1.6 mm
Parts
98
Nets
173
Pads
454
Tracks, vias
531, 36
Routed
Yes
KiCad
KiCad 5 (file 20160815)
Created
9 Dec 2013
Updated
23 Aug 2023

Overview

Io base is an open-source printed circuit board by rene-dev, from the rene-dev/stmbl repository on GitHub, published under the GPL-3.0 licence. It is a 2-layer board of 99.9 × 99.9 mm with 98 parts on 173 nets, routed with 531 tracks and 36 vias.

It is built around the ACT4088US-T and B240A. Its parts include 42 resistors, 29 diodes, 10 capacitors, 10 connectors and 6 ICs. It belongs with the robots and motor control boards of this library.

Main components

2

README

README.md

Build Status Join the chat at https://gitter.im/rene-dev/stmbl

Build Log: https://travis-ci.org/rene-dev/stmbl

DISCLAIMER

THE AUTHORS OF THIS SOFTWARE ACCEPT ABSOLUTELY NO LIABILITY FOR ANY HARM OR LOSS RESULTING FROM ITS USE. IT IS EXTREMELY UNWISE TO RELY ON SOFTWARE ALONE FOR SAFETY. Any machinery capable of harming persons must have provisions for completely removing power from all motors, etc, before persons enter any danger area. All machinery must be designed to comply with local and national safety codes, and the authors of this software can not, and do not, take any responsibility for such compliance.

This software is released under the GPLv3.

STMBL

There is work in progress on documentation: https://github.com/rene-dev/stmbl/blob/master/docs/src/Getting%20Started.adoc

IRC: #stmbl on irc.hackint.eu https://webirc.hackint.org/#stmbl

STMBL is an open source servo drive designed for Retrofitting CNC machines and Robots. It supports Industrial AC and DC servos with up to 320V and 2kW (see specs for details).

Documentation about the PCB and pinout of the feedback connector:

https://github.com/rene-dev/stmbl/wiki/Pinouts

https://github.com/rene-dev/stmbl/wiki/PCB

Hardware version 4.1

top bot case1 case2

Driving a Bosch Turboscara

https://www.youtube.com/watch?v=d6NH1W7DUnQ
https://www.youtube.com/watch?v=oTllxnYAgFc

Driving a Manutec Robot

https://www.youtube.com/watch?v=gwgnAeGjZrA
https://www.youtube.com/watch?v=wXLcAZwjlzE

Driving a Weeke BP12 VMC

https://www.youtube.com/watch?v=24LftGNp4MI

Driving a Haas VF0 (Spindle + Axes)

https://www.youtube.com/watch?v=kqenepupJIs

Drivetest

https://www.youtube.com/watch?v=-E1o_5cFyto

Supported Motors
  • Synchronous AC Servos
  • Asynchronous AC Servos
  • DC Servos
  • 2 Phase HF spindle motors
Supported Feedback systems
  • Resolvers
  • Incremental encoders
  • sin/cos encoder interpolation
  • Mitsubishi absolute encoders
  • Sanyo Denki absolute encoders
  • Yaskawa absolute encoders
  • Sick HIPERFACE®
  • Tamagawa SmartAbs
Planned:
  • EnDat
  • BiSS
  • SSI
  • Sanyo Denki wire-saving incremental encoder
Supported Position/Velocity Commands Inputs:
  • Smartserial
  • Quadrature
  • Step/direction
  • RS485
TODO
  • Sensorless FOC
Directories
  • hw/spice/ Spice simulation for resolver interface
  • hw/kicad/v4.0/ kicad files for version 4
  • src/ STM32F4 code, command, feedback and control loop
  • stm32f303/ STM32F3 code, running on the HV side, generating PWM
Commercial Applications

Should you find the GPL license insufficient for your needs, other licenses can be purchased from my company.

Likewise, please contact us should you wish to fund the further development of this project, or are interesed in custom hardware, software, or commercial support.

Parts

98
QtyValueFootprintReferences
40Rstmbl:R_0603R1, R2, R10, R11, R12, R13, R14, R15, R16, R17, R18, R19, R20, R21, R22, R23 +24
28LEDLEDs:LED_0603D1, D2, D10, D11, D12, D13, D14, D15, D16, D17, D18, D19, D20, D21, D22, D23 +12
8100nstmbl:C_0603C1, C2, C3, C4, C5, C6, C7, C8
7CONN_01X08Terminal_Blocks:TerminalBlock_Pheonix_PT-3.5mm_8polP1, P2, P3, P4, P5, P6, P7
3OPTO-TRANSISTOR-4Housings_DIP:DIP-16_W7.62mmU1, U2, U3
210µstmbl:C_1206C9, C10
2CONN_02X25Socket_Strips:Socket_Strip_Straight_2x25P8, P9
2VN808io_base:POWERSO36U4, U5
110kstmbl:R_0603R41
14.7µH 1.5Astmbl:SMD_INDUCTOR_32x25L1
150kstmbl:R_0603R42
1ACT4088TO_SOT_Packages_SMD:SOT-23-6U6
1B240ADiodes_SMD:SMA_StandardD29
1CONN_01X02stmbl:akl182-2P10

Questions

How big is the Io base PCB?

It measures 99.9 × 99.9 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Io base use?

98 parts, built around the ACT4088US-T and B240A. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.

Where can I download the Io base KiCad files?

From the rene-dev/stmbl repository on GitHub, at the commit this page was made from: the board is hw/kicad/bob/ethernet_bob/io_base/io_base.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.

Can I use the Io base design in my own project?

Its repository publishes it under the GPL-3.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).

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