[ESTIC Corporation] Servo Nutrunner Connection(GP4000 Series)


You can connect GP4000 series to the servo nutrunner master control unit “ENRZ-MU50” made by Estic Corporation via Ethernet (Modbus TCP) and serial communication.

Terms of use / Cautions



* GP-Pro EX Ver. 4.00.000 or higher is required.
* GP4401T series support this functionality.
* This sample project is designed for the servo nutrunner master control unit's firmware version "MA1430" or later. For the details, please contact Estic Corporation.

Supported Model

Estic CorporationServo NutrunnerMaster Control UnitENRZ-MU50-□□□

Related Models

Related UnitsResolutionRelated Models *1Supported versions of GP-Pro EX
GP4000 SeriesVGA (640 x 480 pixels)GP-4401TGP-Pro EX Ver.4.00.000 or later
*1  If you use a model other than GP-4401T, select the model in the Display Unit setting in the project file to activate the screen data.


  • Various MU50 information can be monitored without using specific PC software.
  • The servo nut runner AU50 and servo press SPU50, which are connected to the MU50 can be operated from GP.
  • Display Tightening Result/Pressing Result list and details.
  • Torque curve when tightening and Pressure curve when pressing can be displayed.
  • The system setting and parameters can be changed for MU50、AU50、SPU50. The details of various parameters can also be displayed.
  • The alarm detail can be displayed when occurring to help the primary response.

We do not guarantee that the operation of this sample will be uninterrupted or error-free.

Download file

Update History

[Ver. 1.80] (May. 26, 2023)

  • Added Parameter. MP0316: REACTION RELAXATION TIME

[Ver. 1.60] (Jun. 14, 2018)

  • Support Nutrunner tool additional model
  • ENRZ-TU050R-*, TU120R-*, TU300R-*

[Ver. 1.40] (Apr. 10, 2017)

  • Added the Item of HI SPEED BOOST
  • Changed the Version of project file name (Rev -> Ver)

[Rev. 04] (Oct. 25, 2016)

  • Updated project file

[Rev. 03] (Dec. 15, 2015)

  • Updated project file

[Rev. 02] (Oct. 5, 2015)

  • Updated project file

[Rev. 01] (Dec. 25, 2014)