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SimplexMotionHub manual
The SimplexMotionHub is an accessory to
the SimplexMotion line of integrated
motors.
It facilitates easy connection of 1-4 motors
to a PC computer for motion control.
It includes a power supply to feed 24V to
the motors, as well as control connections
for USB, RS485 and PC parallel port
(common for CNC applications).
Description:
The SimplexMotion line of integrated motors simplify
the use of servo motors by including the motor control
electronics within the motor enclosure. The necessary
connections to the motor unit includes only power and
some means of control.
The SimplexMotionHub,
implements the power supply and simplifies the control
connections to operate 1-4 motors.
The unit is built to allow customer modifications to suit
the application requirements. This is done by using
connections on screw terminals inside the unit. This
document includes specification and details for the unit
internals.
Control of the motors can be through a USB
connection, an RS485 connection or using the PC
parallel port. The latter port is uncommon on PC
computers today, but is still a viable and cost effective
way of implementing control of CNC machines.
Beside the 4 pcs motor connectors on the front panel
there is an extra connector for custom use. Screw
terminals on the inside is available to define the use of
this connector.
The internal electronics implements what in CNC
applications is called a 'breakout board' with common
functionality for CNC machine control. This includes
relays, a security chargepump circuit and a PWM to
10V analog output converter.
www.simplexmotion.com
or SmHub
for short,
version 2014-01-10
24V/350W power supply.
o
230VAC mains socket connector on rear panel for
o
on/off control.
4 motor connectors on front panel.
o
1 extra connector for application specific use.
o
Button and indicators on front panel.
o
USB to RS485 converter built in for USB control
o
of motors in a RS485 network.
RS485 connector for direct control by RS485
o
connection.
Parallel port for CNC applications.
o
Charge pump circuit for security in CNC
o
applications.
2 relays for general purpose on/off control .
o
A PWM to 0-10V analog converter.
o
Page 1 of 14

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Summary of Contents for Simplex Motion SimplexMotionHub

  • Page 1 SimplexMotionHub manual The SimplexMotionHub is an accessory to the SimplexMotion line of integrated motors. It facilitates easy connection of 1-4 motors to a PC computer for motion control. It includes a power supply to feed 24V to the motors, as well as control connections for USB, RS485 and PC parallel port (common for CNC applications).
  • Page 2: Table Of Contents

    SimplexMotionHub manual 1 Table of contents Table of contents ............................... 2 Technical data ................................3 Overview ................................3 Electrical connections ............................4 Recommended cabling ............................5 Control by parallel port - CNC applications ......................6 Parallel port setup .............................. 7 Motor setup ................................
  • Page 3: Technical Data

    SimplexMotionHub manual 2 Technical data The following table specifies important characteristics and limits for the SimplexMotionHub product. Electrical specifications Supply voltage 230VAC mains / max 4A Output voltage 24 VDC, max 15A Grounding 24 VDC ground is connected to protective earth...
  • Page 4: Electrical Connections

    SimplexMotionHub manual This picture shows a test setup for a typical CNC application where the unit is controlled by a parallel port on a PC computer. Electrical connections The front panel connectors are all of the same type, referred to as aviation type GX16 8 polarity connectors. These are available from several Asian distributors and also on www.ebay.com.
  • Page 5: Recommended Cabling

    SimplexMotionHub manual Recommended cabling Cables are not included with the unit, but is fairly straight forward to assemble. The following layout is recommended: GX16 8 pol connector Motor screw terminal connector Wire Name Name Color Gauge EN/*STOP IN1/OUT1 Green AWG20-24/0.2-0.5mm2...
  • Page 6: Control By Parallel Port - Cnc Applications

    SimplexMotionHub manual 3 Control by parallel port - CNC applications The main target with the SmHub was to create an easy to use and cost effective CNC application kit. In a basic setup for a CNC Mill machine application all that is needed is: •...
  • Page 7: Parallel Port Setup

    SimplexMotionHub manual Parallel port setup Using a standard PC parallel port requires a straight DSUB25 extension cable (male type connector in one end and female in the other end) to connect to the SmHub unit. The CNC control software should be configured according to the...
  • Page 8: Home/Limit Switches

    SimplexMotionHub manual Basically the motor is controlled and configured by a large set of registers. These registers can be monitored and changed in the ‘register’ tab of the software. The register contents are continuously updated once the communication has been established using the ‘start’ tab. Please consult the software manual for further information on how to use the software.
  • Page 9 SimplexMotionHub manual The HOME connection on the motor cable is intended for connection of this switch. The easiest way is to connect the switch to the screw terminals on the motor unit, especially since the limit home switch is often located near the motor itself.
  • Page 10: Customizing

    SimplexMotionHub manual Customizing The basic setup of SmHub allows control of up to 4 motors. But there are more features that will require customization by internal connections in the unit. A lot of signals are available on screw terminals on the internal circuit board, and by using wires these signals can be connected to for example the extra connector on the front panel.
  • Page 11: Relay Control

    SimplexMotionHub manual Can be driven from another source if the parallel port is not used, or used as a general purpose output from the parallel port if the charge pump feature is not used. J4-3 RelayIn1 Digital signal to control Relay1. Connected to parallel port pin 16.
  • Page 12: Control By Usb And Rs485

    SimplexMotionHub manual 4 Control by USB and RS485 For other than CNC applications it is probably not wise to use the parallel port for control. It is then much more convenient to use the USB or the RS485 connections. The SimplexMotionTool software can be used to directly control the motors this way.
  • Page 13: Schematics

    SimplexMotionHub manual 5 Schematics www.simplexmotion.com version 2014-01-10 Page 13 of 14...
  • Page 14 SimplexMotionHub manual Component placement www.simplexmotion.com version 2014-01-10 Page 14 of 14...

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