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ESS/MB2 comes as a complete ready to use set , consisting of the ESS and the MB2 board.

MachBob2 (MB2) is designed for industrial application and specifically to work with the Ethernet Smooth Stepper (ESS) which is an excellent motion control board designed to be used with Mach3 and Mach4

This item is no longer available. Please use the ESS/MB3 instead.

Specification and Features:

  • By using an Ethernet connection, the ESS is far more noise resistant than when using a USB or parallel Port connection and therefore helps to protect the logic signal when the controller and drives are located a large distance from the computer.
  • Runs on Mach3 / Mach4 with Windows XP, Win7, Win8 both 32 and 64 bit, on both desktop and notebook computers.
  • New! Utilizes All 3 ports of the ESS.
  • New! The Motion Command Signal can be selected between Pulse/Sign, CW/CCW, and Quadrature. Frequency can be selected from 32 kHz to 4 MHz
  • New! Differential line driver for motion signals, allows for longer wiring with more resistance to interference when compared to TTL open end.
  • New! A single 24Vdc Power Supply is needed.  There is a 5Vdc isolated and non-isolated dc2dc converter on board, thus saving installation space and wiring.
  • New! OSSD (Output Signal Switching Device) outputs and safety circuit are implemented when a peripheral device such as a servo motor drive or a spindle VFD (Variable Frequency Drive) trigger an alarm condition, which causes the Safety Circuit to disengage the OSSD output.  This method is used on large CNC machines to cut power from the drives.
  • New! LED status for all inputs and outputs including motion control signals. Makes it much easier to diagnose and trouble shoot.
  • Isolated power and ground between the PC, ESS and I/O, which eliminates crossover noise and ground loop problems.
  • New! Polarity and over voltage protection (in conjunction with a fuse) for the 24Vdc power supply.
  • An “AnaSpeed” circuit has been implemented.  This circuit is totally isolated from the MB2 and forms a part of the VFD inverter, acting as a digital VR (variable resistor).  High voltage noise from the inverter cannot cause interfere through this connection.
  • A charge-pump signal is provided. This helps the user to form a safety interlock condition between controller and devices.
  • 22 isolated input terminals, consisting of 17 terminals of NPN and 5 terminals of PNP type.
  • 14 NPN isolated output terminals capable of sinking current up to 100mA for each channel and up to 500mA per group.
  • New! MB2v1.5, 2 onboard relays with both NO/NC contacts and “Off Delay Time”. It allows the user to create a timing sequence for devices that need to power up or power down independently at different times,which can be used for such application as “Z Drop Protection”.
  • Spring terminals for quicker connecting and disconnecting of cables. They are resistant to vibration, so no more screws which have rattled loose and no more forgetting to tighten.

The package INCLUDES

  • ESS board with ribbon cables installed
  • All standoffs metal hex
  • 5 pcs of 470 ohm resistor for 5V tolerance input modification

The package NOT includes

  • Ethernet cable.
  • Power supply 24V 3Amp

Save money and time by choosing this combination set.  The MB2 is fitted with the ESS and all necessary adjustments have been made.  Download the special MB2 Profile for Mach 3 or 4 from the download links below.  This will save you even more time as it has many of the variables which Mach requires already completed.

Related files
MB2 Owner's manual E1.6 Rev4
MB2 Owner's manual E1.6 Rev5 (17.08.2017)
SCU + .Net Framework 4.0
SCU (small size without .Net Framework4)
Mach4 Hobby current version
Mach3 Version 3.043.062
Mach4 ESS Plugin Build216 and MB2 profile
Mach3 ESS Plugin and MB2 profile
MB2 Safety profile for Mach3
Configurator v1.1

Link to ESS Manufacturer
English tutorial

Youtube -installation
ESS/MB2 Mach3
ESS/MB2 Mach4
Changing IP address of ESS  

Youtube -Test
4 Mhz step frequency
256 Khz step frequency
Load and Current

Link to Product support
MachBob support forum

Related Products

  • ESS Ethernet Smoother Stepper.
  • MB2 breakout board for ESS.
  • DC2DC 12V module external power source for AnaSpeed. There is an option below to add this module to your order.

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  • Model: ESS/MB2
  • Shipping Weight: 0.5kgs
  • 0 Units in Stock
  • Manufactured by: CNCRoom

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