# Public forum

**URL:** https://www.robotexchange.io/c/public-forum/23.md

[Latest](https://www.robotexchange.io/latest.md) · [Categories](https://www.robotexchange.io/categories.md) · [Tags](https://www.robotexchange.io/tags.md)

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## [RobotExchange: start here](https://www.robotexchange.io/t/robotexchange-start-here/4778)

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**Author:** [@thijs](https://www.robotexchange.io/u/thijs)\
**Replies:** 0\
**Last updated:** [September 13, 2026, 5:41pm UTC](https://www.robotexchange.io/t/robotexchange-start-here/4778 "2026-09-13T17:41:44Z")

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This topic is the root of the course menu in the sidebar. Lists for the whole forum hang here.

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## [Cognex on linux](https://www.robotexchange.io/t/cognex-on-linux/4220)

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**Author:** [@aron](https://www.robotexchange.io/u/aron)\
**Replies:** 0\
**Last updated:** [February 11, 2026, 4:13pm UTC](https://www.robotexchange.io/t/cognex-on-linux/4220 "2026-02-11T16:13:16Z")

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I am trying to install Cognex In-sight Explorer on my computer running fedora 43. I want to install it to prepare for the machine vision module. (Specific topic in the module) But the supplied installation method is an e…

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## [Run Chain Conflict on ABB Robot – EN1 Blinking, Safety Signals Fluctuating](https://www.robotexchange.io/t/run-chain-conflict-on-abb-robot-en1-blinking-safety-signals-fluctuating/3960)

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**Author:** [@idwanabke](https://www.robotexchange.io/u/idwanabke)\
**Replies:** 0\
**Last updated:** [July 9, 2025, 6:29am UTC](https://www.robotexchange.io/t/run-chain-conflict-on-abb-robot-en1-blinking-safety-signals-fluctuating/3960 "2025-07-09T06:29:41Z")

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Hello everyone, I’m facing an issue on one of our ABB IRC5 robots where the system cannot be started due to a Run Chain Conflict. System Symptoms: The EN1 LED keeps blinking, while all other LEDs are solid. On th…

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## [ProfiSafe KUKA KR C4](https://www.robotexchange.io/t/profisafe-kuka-kr-c4/3912)

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**Author:** [@DANTE.RUIZ](https://www.robotexchange.io/u/DANTE.RUIZ)\
**Replies:** 0\
**Last updated:** [May 7, 2025, 3:03pm UTC](https://www.robotexchange.io/t/profisafe-kuka-kr-c4/3912 "2025-05-07T15:03:22Z")

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If I have a robot kr210-2700-2, and its controller is a kuka krc4, and we are looking for the security is by profisafe, but we have enabled the ports X11 and X13, the controller if it has the profisafe feature, someone k…

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## [Kawasaki robot Manual](https://www.robotexchange.io/t/kawasaki-robot-manual/3897)

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**Author:** [@xuanduy](https://www.robotexchange.io/u/xuanduy)\
**Replies:** 2\
**Last updated:** [April 20, 2025, 7:07pm UTC](https://www.robotexchange.io/t/kawasaki-robot-manual/3897 "2025-04-20T19:07:52Z")

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I am in urgent need of maintenance manuals for Kawasaki RS series robots and E series controllers. If anyone can help me, I would truly appreciate and be very grateful for it

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## [Create non Persistent Global Variables in a Kawasaki Program](https://www.robotexchange.io/t/create-non-persistent-global-variables-in-a-kawasaki-program/3678)

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**Author:** [@arwed](https://www.robotexchange.io/u/arwed)\
**Replies:** 3\
**Last updated:** [March 5, 2025, 10:15am UTC](https://www.robotexchange.io/t/create-non-persistent-global-variables-in-a-kawasaki-program/3678 "2025-03-05T10:15:39Z")

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Hi, I am creating a program that gets the coordinates for the robot via TCP from a server. There are a lot of paths that need to be send with varying lengths. The coordinates come in structured strings with this form: #…

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## [Abb problems](https://www.robotexchange.io/t/abb-problems/3420)

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**Author:** [@Othmane](https://www.robotexchange.io/u/Othmane)\
**Replies:** 1\
**Last updated:** [February 9, 2025, 4:03pm UTC](https://www.robotexchange.io/t/abb-problems/3420 "2025-02-09T16:03:17Z")

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Hello, I have a problem and i don’t know how can i resolve it. Anyone have an idea

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## [Hand-eye calibration issues](https://www.robotexchange.io/t/hand-eye-calibration-issues/3334)

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**Author:** [@Ihsan](https://www.robotexchange.io/u/Ihsan)\
**Replies:** 10\
**Last updated:** [October 10, 2024, 11:44am UTC](https://www.robotexchange.io/t/hand-eye-calibration-issues/3334 "2024-10-10T11:44:16Z")

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@Mathijs hi matthijs, im trying to do the hand eye calibration, but my transformed coord seems wrong. any clue on what i did wrong?

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## [ABB Two channel fault, RUN CHAIN error (20223)](https://www.robotexchange.io/t/abb-two-channel-fault-run-chain-error-20223/3257)

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**Author:** [@Othmane](https://www.robotexchange.io/u/Othmane)\
**Replies:** 3\
**Last updated:** [October 30, 2024, 9:22am UTC](https://www.robotexchange.io/t/abb-two-channel-fault-run-chain-error-20223/3257 "2024-10-30T09:22:36Z")

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Hi what’s up i have a problem What is the solution of that error 20212 and what is means SYS HALT you have any ideas about that

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## [Send position x y as string from Cognex D905c to Ur robot 16e](https://www.robotexchange.io/t/send-position-x-y-as-string-from-cognex-d905c-to-ur-robot-16e/3279)

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**Author:** [@AnisAl](https://www.robotexchange.io/u/AnisAl)\
**Replies:** 0\
**Last updated:** [October 28, 2024, 7:47pm UTC](https://www.robotexchange.io/t/send-position-x-y-as-string-from-cognex-d905c-to-ur-robot-16e/3279 "2024-10-28T19:47:26Z")

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Hello everyone i had an issue of sending string from my cognex d905c camera using in-sight vidi suite software to my UR robot over TCP/IP using tcpclient function on vidi suite the connection is established but i’m sti…

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## [Universal Robot to Cognex Via Modbus](https://www.robotexchange.io/t/universal-robot-to-cognex-via-modbus/3268)

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**Author:** [@swagner](https://www.robotexchange.io/u/swagner)\
**Replies:** 0\
**Last updated:** [October 22, 2024, 7:36pm UTC](https://www.robotexchange.io/t/universal-robot-to-cognex-via-modbus/3268 "2024-10-22T19:36:52Z")

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I’m hoping to get some help connecting my cognex insight 2800 to my UR5e with Modbus. I’m not getting any communication on the UR controller, and am unsure what address I should be using to ask the camera to send data to…

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## [Communication between UR and Cognex](https://www.robotexchange.io/t/communication-between-ur-and-cognex/1274)

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**Author:** [@Sibel](https://www.robotexchange.io/u/Sibel)\
**Replies:** 18\
**Last updated:** [October 18, 2024, 9:41am UTC](https://www.robotexchange.io/t/communication-between-ur-and-cognex/1274 "2024-10-18T09:41:54Z")

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Hi all, I’m having some issues to create a communication between cognex camera and UR10 robot. Please see the same code in below: Connected:=socket\_open(“192.168.1.124”,30008,"socket0) Wait:1.0 socket\_send\_string(“ad…

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## [ABB Emergency Stop conflict (error 20223)](https://www.robotexchange.io/t/abb-emergency-stop-conflict-error-20223/409)

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**Author:** [@robin.nogueira](https://www.robotexchange.io/u/robin.nogueira)\
**Replies:** 5\
**Last updated:** [October 16, 2018, 11:44am UTC](https://www.robotexchange.io/t/abb-emergency-stop-conflict-error-20223/409 "2018-10-16T11:44:09Z")

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We get an error that the Emergency Stop isn’t connected correctly. We can’t get see any lose wires tho. Does anyone have any suggestions or had this problem before? 20223, Emergency Stop conflict Description Only one …

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## [Formatting Cognex Camera For UR Script](https://www.robotexchange.io/t/formatting-cognex-camera-for-ur-script/2360)

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**Author:** [@Sanjevan](https://www.robotexchange.io/u/Sanjevan)\
**Replies:** 4\
**Last updated:** [October 10, 2024, 5:31pm UTC](https://www.robotexchange.io/t/formatting-cognex-camera-for-ur-script/2360 "2024-10-10T17:31:12Z")

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Hello everyone, I am using a UR10e with a Cognex 8402C. The firmware on the UR10e is 5.5. I am unsure on how to format my camera to receive and send data base off the UR Script code I have pasted below. I am very new …

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## [Universal Robot Safety Password](https://www.robotexchange.io/t/universal-robot-safety-password/974)

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**Author:** [@Mathijs](https://www.robotexchange.io/u/Mathijs)\
**Replies:** 16\
**Last updated:** [April 25, 2024, 6:24pm UTC](https://www.robotexchange.io/t/universal-robot-safety-password/974 "2024-04-25T18:24:21Z")

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If you need to access the safety configuration but the password is unknown you can remove it. Log in using an SFTP client (WinSCP) or through SSH. Username = root Password = easybot The folder you arrive in will have…

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## [DERO open day 2023 (Sat May 27)](https://www.robotexchange.io/t/dero-open-day-2023-sat-may-27/2430)

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**Author:** [@thijs](https://www.robotexchange.io/u/thijs)\
**Replies:** 0\
**Last updated:** [May 22, 2023, 1:02pm UTC](https://www.robotexchange.io/t/dero-open-day-2023-sat-may-27/2430 "2023-05-22T13:02:26Z")

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See flyer! All students and teachers are welcome.

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## [Removing 'this' from an object method in Javascript](https://www.robotexchange.io/t/removing-this-from-an-object-method-in-javascript/2415)

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**Author:** [@thijs](https://www.robotexchange.io/u/thijs)\
**Replies:** 0\
**Last updated:** [May 3, 2023, 2:59pm UTC](https://www.robotexchange.io/t/removing-this-from-an-object-method-in-javascript/2415 "2023-05-03T14:59:38Z")

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In Javascript, sometimes a function is bound to an object. Within this function the object is represented with this. In some cases you want to remove the reference to this when you execute or pass the function. In this…

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## [Close protective stop with a button](https://www.robotexchange.io/t/close-protective-stop-with-a-button/2367)

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**Author:** [@vascodias24](https://www.robotexchange.io/u/vascodias24)\
**Replies:** 0\
**Last updated:** [April 13, 2023, 4:37pm UTC](https://www.robotexchange.io/t/close-protective-stop-with-a-button/2367 "2023-04-13T16:37:36Z")

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Hello, Is it possible to, when a protective stop happens, we press a button and the “popup” closes? I want to make this step automatic, and so when the stop happens, the operator can press the reset button and the robo…

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## [What is uploaded and where on synchronizing project in DRL studio](https://www.robotexchange.io/t/what-is-uploaded-and-where-on-synchronizing-project-in-drl-studio/2340)

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**Author:** [@StephNutzel](https://www.robotexchange.io/u/StephNutzel)\
**Replies:** 5\
**Last updated:** [April 13, 2023, 9:25am UTC](https://www.robotexchange.io/t/what-is-uploaded-and-where-on-synchronizing-project-in-drl-studio/2340 "2023-04-13T09:25:12Z")

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Question regarding Homberger Doosan robot. doosan, homberger, robotarm, raspberry, pi, drl studio We are unable to locate the files that we upload to the to the homberger raspberry using DRL Studio. I would like to hav…

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## [How to make a RealSense calculate its corrected real-word coordinates](https://www.robotexchange.io/t/how-to-make-a-realsense-calculate-its-corrected-real-word-coordinates/2350)

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**Author:** [@JochemVliegenthart](https://www.robotexchange.io/u/JochemVliegenthart)\
**Replies:** 0\
**Last updated:** [March 29, 2023, 9:12am UTC](https://www.robotexchange.io/t/how-to-make-a-realsense-calculate-its-corrected-real-word-coordinates/2350 "2023-03-29T09:12:32Z")

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Hi, here is the function that we use to calculate the 3d point for the robot. We use the camera characteristics to get a point with 3-5mm of distortion. def make\_3D\_point(x, y, pipeline,camera): ''' Description …

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## [Enhanced Privacy and Scalability in Bitcoin: Liquid vs Lightning](https://www.robotexchange.io/t/enhanced-privacy-and-scalability-in-bitcoin-liquid-vs-lightning/2347)

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**Author:** [@thijs](https://www.robotexchange.io/u/thijs)\
**Replies:** 0\
**Last updated:** [March 28, 2023, 11:49pm UTC](https://www.robotexchange.io/t/enhanced-privacy-and-scalability-in-bitcoin-liquid-vs-lightning/2347 "2023-03-28T23:49:39Z")

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In this article, we explore the concepts of privacy and scalability in the context of the Bitcoin ecosystem, focusing on two prominent solutions: Liquid and Lightning networks. These technologies address Bitcoin’s limit…

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## [Why are the Dutch so direct?](https://www.robotexchange.io/t/why-are-the-dutch-so-direct/2345)

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**Author:** [@thijs](https://www.robotexchange.io/u/thijs)\
**Replies:** 0\
**Last updated:** [March 27, 2023, 10:41pm UTC](https://www.robotexchange.io/t/why-are-the-dutch-so-direct/2345 "2023-03-27T22:41:56Z")

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Interesting video about Dutch directness: Of course we’re all different, but it does convey a general gist I agree with. Some stills: The Dutch don’t imply anything but say it all: Criti…

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## [Error: String is too long for the controller](https://www.robotexchange.io/t/error-string-is-too-long-for-the-controller/2334)

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**Author:** [@Dylan](https://www.robotexchange.io/u/Dylan)\
**Replies:** 5\
**Last updated:** [March 27, 2023, 8:07am UTC](https://www.robotexchange.io/t/error-string-is-too-long-for-the-controller/2334 "2023-03-27T08:07:54Z")

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Hi every one, i am try to use the COGNEX CAMERA 7802 to guide the UR3 robot for pick and place application, when running sometime this error happen, could anyone help me to solve it?

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## [Communication between COGNEX and UR](https://www.robotexchange.io/t/communication-between-cognex-and-ur/2311)

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**Author:** [@vascodias24](https://www.robotexchange.io/u/vascodias24)\
**Replies:** 7\
**Last updated:** [March 6, 2023, 12:33pm UTC](https://www.robotexchange.io/t/communication-between-cognex-and-ur/2311 "2023-03-06T12:33:37Z")

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Hello! I’m currently working on a similar project I have an In-Sight 2800 Vision Sensor (COGNEX) and a UR10 (Universal Robots), and I want to inspect a few points of a part. To do this I need to trigger the camera in e…

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## [Hackathon robotica kastuinbouw](https://www.robotexchange.io/t/hackathon-robotica-kastuinbouw/1859)

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**Author:** [@thijs](https://www.robotexchange.io/u/thijs)\
**Replies:** 0\
**Last updated:** [November 15, 2021, 5:10pm UTC](https://www.robotexchange.io/t/hackathon-robotica-kastuinbouw/1859 "2021-11-15T17:10:45Z")

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https://hackathon.robocrops.tech

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## [\[Solved\] Wiring the motor of the black conveyor in the robot lab](https://www.robotexchange.io/t/solved-wiring-the-motor-of-the-black-conveyor-in-the-robot-lab/2165)

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**Author:** [@IkerCuervo](https://www.robotexchange.io/u/IkerCuervo)\
**Replies:** 2\
**Last updated:** [October 5, 2022, 9:34am UTC](https://www.robotexchange.io/t/solved-wiring-the-motor-of-the-black-conveyor-in-the-robot-lab/2165 "2022-10-05T09:34:17Z")

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Hi: We want to use the big conveyor in the robot lab, connecting it to a frequency controller so we can control the speed and activate and deactivate it with the PLC. The motor is a 3 phase motor with 5 wires (image ahe…

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## [Do you have Startup idea? Join the HSIF Pitch Battle on 15/06!](https://www.robotexchange.io/t/do-you-have-startup-idea-join-the-hsif-pitch-battle-on-15-06/2081)

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**Author:** [@HSIF](https://www.robotexchange.io/u/HSIF)\
**Replies:** 0\
**Last updated:** [June 7, 2022, 12:11pm UTC](https://www.robotexchange.io/t/do-you-have-startup-idea-join-the-hsif-pitch-battle-on-15-06/2081 "2022-06-07T12:11:40Z")

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Are YOU entrepreneurial, have a great business idea, and want the chance to win a prize? Read below! On the 15th of June, the 2022 Pitch Event is hosted by The Hague Student Investment Fund (HSIF). During this night ent…

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## [LDR doesn't work](https://www.robotexchange.io/t/ldr-doesnt-work/2074)

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**Author:** [@JonahEggenkemper](https://www.robotexchange.io/u/JonahEggenkemper)\
**Replies:** 2\
**Last updated:** [May 6, 2022, 6:44am UTC](https://www.robotexchange.io/t/ldr-doesnt-work/2074 "2022-05-06T06:44:26Z")

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@Mathijs I just connected the LDR, but i don’t get a usable signal from it. It just displays me 4095 as the input signal, so the highest value i suppose. Covering the LDR doesn’t change anything. I attached a photo of my…

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## [ISO, IEC, EN, NEN guidlines introduction](https://www.robotexchange.io/t/iso-iec-en-nen-guidlines-introduction/1046)

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**Author:** [@Laurens](https://www.robotexchange.io/u/Laurens)\
**Replies:** 0\
**Last updated:** [February 12, 2020, 10:20am UTC](https://www.robotexchange.io/t/iso-iec-en-nen-guidlines-introduction/1046 "2020-02-12T10:20:04Z")

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Definitions NEN; NEderlandse Norm (Dutch Standard) EN; European Norm IEC; International Electrical Committee ISO; International Orangisation For standarization Guideline names How to read the guideline name…

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## [Virtualization with TIA Portal](https://www.robotexchange.io/t/virtualization-with-tia-portal/1527)

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**Author:** [@pedje](https://www.robotexchange.io/u/pedje)\
**Replies:** 0\
**Last updated:** [December 7, 2020, 1:52pm UTC](https://www.robotexchange.io/t/virtualization-with-tia-portal/1527 "2020-12-07T13:52:00Z")

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VMWare preparation for use with TIA Portal On RobotExchange there is an extensive getting started on TIA Portal, the getting started references to an “Up and running VMWare” instance. This document describes how to get t…

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