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Welcome to the Unitronics User Forums

We are pleased to present our forum.
Create your account and join us!

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Searching the 'Old Forum'

Please note that Unitronics is maintaining the old company forum, http://www.unitronics.com/forum as a search-only archive.

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***New*** Introducing the UniStream Control Platform

Unitronics is proud to introduce the UniStream™ control platform, theresult of over 20 years of PLC development experience combined with the strongest trends in automation today.

UniStream brings you--and your customers--major benefits:

- Cut Programming Time by 50%: UniLogic™ studio software means you ‘write-it-once’, creating code structures that can be used across projects.
- Save Time on System Design: Easy hardware configuration process, plus effortless communications setup--COM tasks reduced to simple configuration.
- Excellent User Experience UniApps™: the library of applications that enable you to remotely monitor, debug, and edit data from PC, smartphone, or tablet—from anywhere at any time.
- Superbly Scalable: Expand to meet your application requirements.
- Slash Costs: UniLogic Software, Technical Support via phone and email, and access to our Technical forum— are all absolutely free.

To learn more, visit our Youtube channel:

UniStream & UniLogic user forums:

Visit the UniStream Home Page:

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NEW!!! ***** VisiLogic 9.7.0****

This version supports Samba, a new palm-sized controller with a 3.5" graphic touch-screen and onboard I/Os.
Samba is especially suited for small machine applications.
Two models are available:
• 12 Digital Inputs
May be wired to include 1 HSC/Shaft-encoder input,
2 analog inputs (when digital inputs are set to pnp)
• 8 Relay Outputs

• 12 Digital Inputs
May be wired to include 3 HSC/Shaft-encoder input,
2 analog inputs
• 8 Transistor Outputs

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V120 with handheld barcode... - last post by DaveE

New!!! ***** U90 Ladder*****

U90 Ladder 6.3.0, OS 2.20 B00 supports new Jazz models JZ20-R10, JZ20-R16, and JZ20-R31 in Hardware Configuration. These models:

- Are 30x faster than JZ10 models
- Has twice the memory
- Comprise integral USB programming ports.

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Toggle OPLCs and Application Software OPLCs and Application Software

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Vision PLC series and VisiLogic

Welcome to the Vision series forum
Talk about issues related to the Vision OPLC series and to VisiLogic software

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RS485 Communication on V130 - last post by xquter

Jazz, M91 PLCs and U90Ladder

Talk about issues related to Jazz, M91 PLCs, and the U90Ladder software

  • 204 topics
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Jazz JZ20-R31 and MJ20-ET1... - last post by unnodd

Toggle UniStream HMI + PLC and UniLogic UniStream HMI + PLC and UniLogic

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UniStream: Hardware

This is the place for all things Hardware: UniStream HMI panels, CPUs, I/O and COM modules

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UniStream CAD Technical Dra... - last post by Cara Bereck Levy

UniLogic Software

Receive and share information about UniLogic, the application software for the UniStream control platform

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Upgrading the OS - last post by Cara Bereck Levy

UniLogic UDFBs

Want to share a UDFB? Here's the place!
NOTE: This page contains files and links to items developed by third parties. Unitronics bears no responsibility for any consequences of accessing and using any third-party items of any kind.

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Welcome! - last post by Joe Tauser

Toggle Software Utilities Software Utilities

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SD Card Suite

Enhanced Vision OPLCs support SD cards that enable application data to be stored and remotely accessed.
SD Suite enables you to view and manipulate that data, as well as format cards and perform other tasks.
Note that SD Cards also enable , complex web-page hosting, and application cloning between OPLCs.

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Data Table Editor - last post by Saragani

Remote Operator

Remote Operator enables you to use a PC to view and work with a remote controller's HMI panel.
You can define any number of controllers, then open multiple sessions to view them simultaneously, while docking or cascading windows according to your preferences.

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Cannot restore connection - last post by TT_ZX

Remote Access

Remote Access enables you to use a PC to access remote Vision, M90/91, and Jazz OPLCs.
Remote Access includes UniDownload Designer, and Operand and Data Tables access.

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Saving & Retrieving Ope... - last post by kellys

DataXport and DataXls

DataXport creates logs of run-time or stored data from Data Tables and operand regions within Unitronics PLCs. DataXport saves the data logs in .ulp format. You can open these data logs using DataXport's companion application, DataXls, and then export the data to Excel files.

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DHCP & DataXport - last post by russedwards


This tool downloads compressed control applications to local or remote Unitronics controllers. You generate a compressed application from within either U90 Ladder or VisiLogic. Your end user will be able to download the application, but will not be able to view or modify it. The tool can download applications and OS.

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Downloading from Linux - last post by Gal.I


UniOPC Server (Unitronics OPC Server) enables you to read and write data between Unitronics OPLCs and applications that support OPC, such as SCADA programs.

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Communication between UniOP... - last post by MakeFiks


UniDDE (Unitronics Dynamic Data Exchange) enables you to read and write data between Unitronics OPLCs and applications that support DDE, such as Excel.

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unidde with data table's ? - last post by Eyal Koren

Toggle Utilities for .net and Visual Studio Utilities for .net and Visual Studio

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Unitronics PCOM Protocol

Unitronics PCOM Protocol
This describes the telegrams used to communicate data between PC and OPLC.

  • 21 topics
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Selecting Baud Rate for PCOM - last post by dbolg

COM Object ActiveX .dll

COM Object ActiveX .dll
This zip file contains an ActiveX .dll file that can be used to implement SCADA. UnCmDrv1.dll file contains methods and properties for invoking the OPLC, read / write, locally or remotely, implementation examples, and an explanation of accessing Data Tables.

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Read Memory DoubleWords - last post by mich39

.NET driver

Unitronics communication driver for .net.

  • 33 topics
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Operands write protect - last post by dak

Toggle Project Design Project Design

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...I have a project...what hardware do I need?

Ask the Unitronics staff for recommendations regarding controller type, I/O configuration, and communication methods.

  • 57 topics
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New to PLC, using V1210 to... - last post by Hang

Toggle User Application Stories User Application Stories

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Just finished a great project?

This is the place to tell us about it!

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Counter Production System - last post by Cara Bereck Levy

Toggle Tips and Tricks Tips and Tricks

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Best Programming Practices

Tips from Unitronics gurus

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Relay Outputs - last post by mckruger

Tips and Tricks

This is where you can post items of interest that are not covered by other forum sections.

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Ethernet/Cellular Commnicat... - last post by jweav2223

Toggle General Discussion General Discussion

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We're Listening...

This is the place for general feedback

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Communication through RS232 - last post by Joe Tauser

The Lounge

Grab your preferred beverage and have a seat. Want to tell a nerdy binary-based joke? Argue the merits of Heinlein vs Spinrad? This is the place.

Play nicely--NO FLAMING. KEEP IT CLEAN. Enjoy :-)

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A peek behind the scene in... - last post by Cara Bereck Levy

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