# PLC (Programmable Logic Controllers) **URL:** https://forumautomation.com/c/plc-programmable-logic-controllers/6.md?page=2 [Latest](https://forumautomation.com/latest.md) · [Categories](https://forumautomation.com/categories.md) · [Tags](https://forumautomation.com/tags.md) **Page:** 3 --- ## [How to reset RS Logix 5000 software?](https://forumautomation.com/t/how-to-reset-rs-logix-5000-software/2674)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [November 18, 2017, 7:12pm UTC](https://forumautomation.com/t/how-to-reset-rs-logix-5000-software/2674 "2017-11-18T19:12:03Z")
Every PLC may need to reset when there are lot confusing changes in settings. Reset let us go back to the initial stage of the PLC just in few steps instead changing the whole settings. Here we go to resetting procedu… --- ## [Sick DME5000 with PLC S7 400](https://forumautomation.com/t/sick-dme5000-with-plc-s7-400/8179)
**Author:** [@Mak123](https://forumautomation.com/u/Mak123)\ **Replies:** 0\ **Last updated:** [April 22, 2020, 7:21am UTC](https://forumautomation.com/t/sick-dme5000-with-plc-s7-400/8179 "2020-04-22T07:21:20Z")
We have Lazer sensor from Sick, DME 5000 is connected to S7 400, PLC through Profibus. Now we are only receiving the distance value from sensor. The sensor have a facility to activate sleep mode, to enhance the Life of t… --- ## [Siemens STEP 7 PLC programming - Blocks used in the program](https://forumautomation.com/t/siemens-step-7-plc-programming-blocks-used-in-the-program/294)
**Author:** [@denizen](https://forumautomation.com/u/denizen)\ **Replies:** 0\ **Last updated:** [March 7, 2015, 10:01pm UTC](https://forumautomation.com/t/siemens-step-7-plc-programming-blocks-used-in-the-program/294 "2015-03-07T22:01:24Z")
The STEP 7 programming software allows you to structure your user program, in other words to break down the program into individual, self-contained program sections. This has the following advantages: • Extensive program… --- ## [What is Modular PLC?](https://forumautomation.com/t/what-is-modular-plc/10526)
**Author:** [@Ajmal\_ismail](https://forumautomation.com/u/Ajmal_ismail)\ **Replies:** 0\ **Last updated:** [July 12, 2022, 6:21am UTC](https://forumautomation.com/t/what-is-modular-plc/10526 "2022-07-12T06:21:35Z")
What is a PLC? A programmable logic controller is a small computer that can accept data and deliver operational instructions through its inputs and outputs. A PLC’s primary duty is to control the functions of a system u… --- ## [What are the major Cyber-attacks on various Programmable Logic Controllers Manufacturers?](https://forumautomation.com/t/what-are-the-major-cyber-attacks-on-various-programmable-logic-controllers-manufacturers/9969)
**Author:** [@Ajmal\_ismail](https://forumautomation.com/u/Ajmal_ismail)\ **Replies:** 1\ **Last updated:** [November 17, 2021, 11:36pm UTC](https://forumautomation.com/t/what-are-the-major-cyber-attacks-on-various-programmable-logic-controllers-manufacturers/9969 "2021-11-17T23:36:24Z")
In the digital era, it is very important to make sure the large and abundant network should be threat-free from cyber prone attacks. Unauthorized access to your Industrial Control System (ICS) can lead to damage to the s… --- ## [All About Ladder Logic We Need To Know](https://forumautomation.com/t/all-about-ladder-logic-we-need-to-know/9038)
**Author:** [@Ajmal\_ismail](https://forumautomation.com/u/Ajmal_ismail)\ **Replies:** 0\ **Last updated:** [December 31, 2020, 6:48am UTC](https://forumautomation.com/t/all-about-ladder-logic-we-need-to-know/9038 "2020-12-31T06:48:56Z")
In this article, am trying to explain the basic details of Ladder Logic. Before that, you need to know there are so many programming languages to control PLCs. They are a) Ladder Logic b) FBD (Functional Block Diagram) … --- ## [Flashing Red Error LED on Siemens S7-1200 – Any Solutions Without Software?](https://forumautomation.com/t/flashing-red-error-led-on-siemens-s7-1200-any-solutions-without-software/12587)
**Author:** [@Instrument\_Engineer](https://forumautomation.com/u/Instrument_Engineer)\ **Replies:** 1\ **Last updated:** [September 25, 2024, 1:47pm UTC](https://forumautomation.com/t/flashing-red-error-led-on-siemens-s7-1200-any-solutions-without-software/12587 "2024-09-25T13:47:22Z")
I just installed a new machine imported from Europe and powered it up, but the error LED is flashing. The HMI connects, and I have an output indicating there’s no fault in the physical system. However, I don’t have the n… --- ## [Top 30 PLC Communication Protocols](https://forumautomation.com/t/top-30-plc-communication-protocols/9651)
**Author:** [@Ajmal\_ismail](https://forumautomation.com/u/Ajmal_ismail)\ **Replies:** 0\ **Last updated:** [July 26, 2021, 6:44am UTC](https://forumautomation.com/t/top-30-plc-communication-protocols/9651 "2021-07-26T06:44:18Z")
In this article, we discuss about various communication protocols used in PLCs. We know that we, people, communicate with others with the help of languages. Without the help of language, it is very hard and difficult to … --- ## [How to Connect and Download Program to S7 1200 & S7 1500](https://forumautomation.com/t/how-to-connect-and-download-program-to-s7-1200-s7-1500/8995)
**Author:** [@Ajmal\_ismail](https://forumautomation.com/u/Ajmal_ismail)\ **Replies:** 0\ **Last updated:** [December 22, 2020, 8:46am UTC](https://forumautomation.com/t/how-to-connect-and-download-program-to-s7-1200-s7-1500/8995 "2020-12-22T08:46:26Z")
S7 1200 It is a new modular miniature from the Siemens SIMATIC S7 family It consists of a controller with an integrated PROFINET interface for communication. It has signal boards for direct use in a controller S7 150… --- ## [PLC installation considerations](https://forumautomation.com/t/plc-installation-considerations/4486)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [August 28, 2018, 5:12pm UTC](https://forumautomation.com/t/plc-installation-considerations/4486 "2018-08-28T17:12:21Z")
For a PLC installation, these are the factors that necessarily taken into account: Environmental conditions of the physical environment where it will be located. Distribution of components in the cabinet that will c… --- ## [How to Connect and Download Program on LOGO PLC](https://forumautomation.com/t/how-to-connect-and-download-program-on-logo-plc/8971)
**Author:** [@Ajmal\_ismail](https://forumautomation.com/u/Ajmal_ismail)\ **Replies:** 0\ **Last updated:** [December 17, 2020, 5:57am UTC](https://forumautomation.com/t/how-to-connect-and-download-program-on-logo-plc/8971 "2020-12-17T05:57:25Z")
What is Logo PLC ? It is very basic model of Siemens PLC. So, its I/O handling capacity is very low. This type of PLC mainly used in small scale industries. Logo! soft software is used for programming purposes. Ha… --- ## [How to Connect and Download Program to S7-400](https://forumautomation.com/t/how-to-connect-and-download-program-to-s7-400/8991)
**Author:** [@Ajmal\_ismail](https://forumautomation.com/u/Ajmal_ismail)\ **Replies:** 0\ **Last updated:** [December 21, 2020, 11:05am UTC](https://forumautomation.com/t/how-to-connect-and-download-program-to-s7-400/8991 "2020-12-21T11:05:49Z")
An Overview of S7-400 The S7-400 is the most powerful PLC in the SIMATIC controller family. This allows efficient automation technologies with Totally Optimized Automation (TIA). The S7-400 is an automation platform for… --- ## [Specification of Allen Bradley PLC -SLC Type](https://forumautomation.com/t/specification-of-allen-bradley-plc-slc-type/5277)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [November 21, 2018, 2:48pm UTC](https://forumautomation.com/t/specification-of-allen-bradley-plc-slc-type/5277 "2018-11-21T14:48:18Z")
Allen Bradley PLC type SLC 5/03 has two models, namely, modular and Fixed (compact) models. Modular type is shown below: Modular types consist of shelves (chassis), power supply, processor (CPU), and I / O modules… --- ## [PLC Mechanical Timing Relays](https://forumautomation.com/t/plc-mechanical-timing-relays/3220)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [March 1, 2018, 6:26pm UTC](https://forumautomation.com/t/plc-mechanical-timing-relays/3220 "2018-03-01T18:26:28Z")
Mechanical timing relays are used to delay the opening or closing of contacts for circuit control. The operation of a mechanical timing relay is similar to that of a control relay, except that certain of its contacts are… --- ## [Difference between SOFTLOGIX AND RSLOGIX5000](https://forumautomation.com/t/difference-between-softlogix-and-rslogix5000/4202)
**Author:** [@areejsidhik](https://forumautomation.com/u/areejsidhik)\ **Replies:** 0\ **Last updated:** [July 24, 2018, 6:00am UTC](https://forumautomation.com/t/difference-between-softlogix-and-rslogix5000/4202 "2018-07-24T06:00:10Z")
The routing algorithm was developed using RSLogix 5000 and run in SoftLogix5800 of version 13. Both these software tools are products of Rockwell Automation. To have a better understanding of the problem definition, algo… --- ## [How to connect and Download Program on S7-300 PLC?](https://forumautomation.com/t/how-to-connect-and-download-program-on-s7-300-plc/8987)
**Author:** [@Ajmal\_ismail](https://forumautomation.com/u/Ajmal_ismail)\ **Replies:** 0\ **Last updated:** [December 21, 2020, 5:33am UTC](https://forumautomation.com/t/how-to-connect-and-download-program-on-s7-300-plc/8987 "2020-12-21T05:33:15Z")
An Overview of S7-300 PLC? The SIMATIC S7-300 universal controller saves assembly space and features a modular design. A wide range of modules may be used to centrally extend the device or to build localized systems, d… --- ## [Overview of Mitsubishi PLC and its basic function blocks](https://forumautomation.com/t/overview-of-mitsubishi-plc-and-its-basic-function-blocks/10419)
**Author:** [@Ajmal\_ismail](https://forumautomation.com/u/Ajmal_ismail)\ **Replies:** 0\ **Last updated:** [May 18, 2022, 4:45am UTC](https://forumautomation.com/t/overview-of-mitsubishi-plc-and-its-basic-function-blocks/10419 "2022-05-18T04:45:52Z")
Mitsubishi Electric was established on Jan 15, 1921. The primary purpose is to focus on home appliances, elevator systems, and industrial automation. Various types of Mitsubishi PLC controllers and it software features … --- ## [How to Connect and Download a Program in Siemens S7-200 PLC?](https://forumautomation.com/t/how-to-connect-and-download-a-program-in-siemens-s7-200-plc/8984)
**Author:** [@Ajmal\_ismail](https://forumautomation.com/u/Ajmal_ismail)\ **Replies:** 0\ **Last updated:** [December 19, 2020, 11:35am UTC](https://forumautomation.com/t/how-to-connect-and-download-a-program-in-siemens-s7-200-plc/8984 "2020-12-19T11:35:04Z")
What is Siemens S7-200 PLC? The S7-200 series of micro-programmable logic controllers (Micro PLCs) can control a broad variety of applications. Variety of products that serve the automation needs. It’s a Compact - modul… --- ## [Problems related to M241 PLC](https://forumautomation.com/t/problems-related-to-m241-plc/9783)
**Author:** [@instrumentationtechi](https://forumautomation.com/u/instrumentationtechi)\ **Replies:** 2\ **Last updated:** [September 3, 2024, 2:32pm UTC](https://forumautomation.com/t/problems-related-to-m241-plc/9783 "2024-09-03T14:32:24Z")
I am using an M241 PLC and its really hard to read it over modbus, I can read input status but I am not able to read the analog inputs --- ## [What is a fuzzy logic function?](https://forumautomation.com/t/what-is-a-fuzzy-logic-function/2520)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 1\ **Last updated:** [October 24, 2024, 1:55pm UTC](https://forumautomation.com/t/what-is-a-fuzzy-logic-function/2520 "2024-10-24T13:55:25Z")
Fuzzy means “not clear, distinct or precise, blurred”. A form of knowledge representation suitable for notation that cannot be defined precisely but which depend upon their context. A fuzzy logic controller mimics the w… --- ## [How to take backup of program from seimens PLC to SD card](https://forumautomation.com/t/how-to-take-backup-of-program-from-seimens-plc-to-sd-card/2603)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [November 8, 2017, 1:15pm UTC](https://forumautomation.com/t/how-to-take-backup-of-program-from-seimens-plc-to-sd-card/2603 "2017-11-08T13:15:34Z")
As a backup option, PLCs can be saved in Seimens SD card. We can have the original program at any instant, even if the program in the system is messed up with lots of edits. And also we can save the edited program to the… --- ## [2 out of 3(2oo3) PLC logic](https://forumautomation.com/t/2-out-of-3-2oo3-plc-logic/439)
**Author:** [@instrumen](https://forumautomation.com/u/instrumen)\ **Replies:** 0\ **Last updated:** [June 5, 2015, 6:22pm UTC](https://forumautomation.com/t/2-out-of-3-2oo3-plc-logic/439 "2015-06-05T18:22:37Z")
2 out of 3(2oo3) PLC logic. A, B & C are inputs D is the output --- ## [Ladder logic LIst functions- Shift register, Stack, Sequencer](https://forumautomation.com/t/ladder-logic-list-functions-shift-register-stack-sequencer/2968)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [January 13, 2018, 8:36pm UTC](https://forumautomation.com/t/ladder-logic-list-functions-shift-register-stack-sequencer/2968 "2018-01-13T20:36:46Z")
\##Shift Register Shift registers are oriented to single data bits. A shift register can only hold so many bits, so when a new bit is put in, one must be removed. An example for shift register is shown below: The s… --- ## [Modbus connection details for interfacing ABB PLC with HONEYWELL DCS](https://forumautomation.com/t/modbus-connection-details-for-interfacing-abb-plc-with-honeywell-dcs/443)
**Author:** [@instrumen](https://forumautomation.com/u/instrumen)\ **Replies:** 1\ **Last updated:** [April 4, 2022, 10:25am UTC](https://forumautomation.com/t/modbus-connection-details-for-interfacing-abb-plc-with-honeywell-dcs/443 "2022-04-04T10:25:32Z")
Modbus connection details for interfacing ABB PLC with HONEYWELL DCS --- ## [PLC safety circuitry](https://forumautomation.com/t/plc-safety-circuitry/3289)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [March 14, 2018, 7:06pm UTC](https://forumautomation.com/t/plc-safety-circuitry/3289 "2018-03-14T19:06:03Z")
Safety circuits are emergency circuit that must be provided to stop either partially or totally the operation of the controller or the controlled machine or process.These circuits should be hardwired outside the controll… --- ## [What are Emergency Shut Down PLC systems?](https://forumautomation.com/t/what-are-emergency-shut-down-plc-systems/2468)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [October 17, 2017, 5:28pm UTC](https://forumautomation.com/t/what-are-emergency-shut-down-plc-systems/2468 "2017-10-17T17:28:04Z")
The Emergency Shut Down or ESD system operates only there is a failure in the plant. ESD can by-pass the system in order to keep the plant running if there is a failure in the system. There are two types of ESD system: … --- ## [What are RSLinx, RSView32 & RSLogix 500 in Allen bradley PLC?](https://forumautomation.com/t/what-are-rslinx-rsview32-rslogix-500-in-allen-bradley-plc/5905)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [February 11, 2019, 11:54am UTC](https://forumautomation.com/t/what-are-rslinx-rsview32-rslogix-500-in-allen-bradley-plc/5905 "2019-02-11T11:54:29Z")
What is RSLinx? RSLinx is a software used for communication settings between PLC and PC. Briefly the communication settings are as follows: Run RSLinx then click the communication menu, then enter the RSWho menu as … --- ## [What are the components of PLC?](https://forumautomation.com/t/what-are-the-components-of-plc/9661)
**Author:** [@Ajmal\_ismail](https://forumautomation.com/u/Ajmal_ismail)\ **Replies:** 0\ **Last updated:** [July 27, 2021, 11:31am UTC](https://forumautomation.com/t/what-are-the-components-of-plc/9661 "2021-07-27T11:31:45Z")
Components of PLC What is PLC? Programmable Logic Controller, shortly called PLC, is a general-purpose control system that accepts input from various sources like push buttons, temperature, flow sensors, pressure senso… --- ## [Various types of Mitsubishi PLC controllers and it software features](https://forumautomation.com/t/various-types-of-mitsubishi-plc-controllers-and-it-software-features/10422)
**Author:** [@Ajmal\_ismail](https://forumautomation.com/u/Ajmal_ismail)\ **Replies:** 0\ **Last updated:** [May 19, 2022, 4:12am UTC](https://forumautomation.com/t/various-types-of-mitsubishi-plc-controllers-and-it-software-features/10422 "2022-05-19T04:12:05Z")
What are the various types of Mitsubishi Controllers? Overview of Mitsubishi PLC and its basic function blocks I. Programmable Controllers MELSEC 1. MELSEC iQ-R Series Features of MELSEC iQ-R series controllers A… --- ## [What is PLC Control panel?](https://forumautomation.com/t/what-is-plc-control-panel/10523)
**Author:** [@Ajmal\_ismail](https://forumautomation.com/u/Ajmal_ismail)\ **Replies:** 0\ **Last updated:** [July 11, 2022, 5:23am UTC](https://forumautomation.com/t/what-is-plc-control-panel/10523 "2022-07-11T05:23:09Z")
PLCs are compact industrial computers with modular components that are meant to automate customised control procedures. In factories and industrial plants, PLCs are frequently used to control motors, pumps, lighting, fan… --- ## [How to Connect a MicroLogix PLC to a Computer and download a program to MicroLogix 1100](https://forumautomation.com/t/how-to-connect-a-micrologix-plc-to-a-computer-and-download-a-program-to-micrologix-1100/8936)
**Author:** [@Ajmal\_ismail](https://forumautomation.com/u/Ajmal_ismail)\ **Replies:** 0\ **Last updated:** [December 10, 2020, 5:26am UTC](https://forumautomation.com/t/how-to-connect-a-micrologix-plc-to-a-computer-and-download-a-program-to-micrologix-1100/8936 "2020-12-10T05:26:19Z")
Allen-Bradley, a renowned manufacturer of industrial automation operated by Rockwell Automation, USA, designs MicroLogix PLC. The MicroLogix 1100 mainly used in small-scale industries. We used the ribbon cable in this PL… --- ## [RSlogix 5000 Programming - Step by step procedure to write a program with RSLogix 5000](https://forumautomation.com/t/rslogix-5000-programming-step-by-step-procedure-to-write-a-program-with-rslogix-5000/422)
**Author:** [@automate](https://forumautomation.com/u/automate)\ **Replies:** 0\ **Last updated:** [May 10, 2015, 7:05am UTC](https://forumautomation.com/t/rslogix-5000-programming-step-by-step-procedure-to-write-a-program-with-rslogix-5000/422 "2015-05-10T07:05:21Z")
1.Click on File\>New 2.It Pop Ups a new window.Fill the following data Type - Select the processor.(Control logix processor family) Revision - The latest available firmware version Name - Name of your project Descriptio… --- ## [PLC - Instructionlist programming, instructions](https://forumautomation.com/t/plc-instructionlist-programming-instructions/4319)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [August 6, 2018, 5:01pm UTC](https://forumautomation.com/t/plc-instructionlist-programming-instructions/4319 "2018-08-06T17:01:08Z")
Instruction list is a programming language designed for PLC, supported by the IEC 61131-3 standard. The instruction list consists of a series of instructions. Each instruction begins on a new line, contains - an Operato… --- ## [A stuck runtime error is detected on I/o module. How to solve this error](https://forumautomation.com/t/a-stuck-runtime-error-is-detected-on-i-o-module-how-to-solve-this-error/8704)
**Author:** [@denizen](https://forumautomation.com/u/denizen)\ **Replies:** 1\ **Last updated:** [October 23, 2020, 5:23am UTC](https://forumautomation.com/t/a-stuck-runtime-error-is-detected-on-i-o-module-how-to-solve-this-error/8704 "2020-10-23T05:23:47Z")
A stuck runtime error is detected on I/o module.Exact slot cannot be determined. How to solve this major error . Rslogix 500 error. --- ## [How to set the IP address in a micrologix 1400 and how to do the Ethernet communication setup? How to download a program to a micrologix 1400 PLC using a memory chip](https://forumautomation.com/t/how-to-set-the-ip-address-in-a-micrologix-1400-and-how-to-do-the-ethernet-communication-setup-how-to-download-a-program-to-a-micrologix-1400-plc-using-a-memory-chip/8564)
**Author:** [@ashlin](https://forumautomation.com/u/ashlin)\ **Replies:** 0\ **Last updated:** [August 26, 2020, 1:48pm UTC](https://forumautomation.com/t/how-to-set-the-ip-address-in-a-micrologix-1400-and-how-to-do-the-ethernet-communication-setup-how-to-download-a-program-to-a-micrologix-1400-plc-using-a-memory-chip/8564 "2020-08-26T13:48:22Z")
How to set the IP address for Micrologix 1400 Click the ESC button in the PLC to enter the configuration menu After entering the configuration menu select the advanced setup After that select the Ethernet configuration … --- ## [How to do Hardware Configuration of S7-200 Using SIMATIC?](https://forumautomation.com/t/how-to-do-hardware-configuration-of-s7-200-using-simatic/9003)
**Author:** [@Ajmal\_ismail](https://forumautomation.com/u/Ajmal_ismail)\ **Replies:** 0\ **Last updated:** [December 24, 2020, 11:19am UTC](https://forumautomation.com/t/how-to-do-hardware-configuration-of-s7-200-using-simatic/9003 "2020-12-24T11:19:12Z")
An overview of S7-200 The S7-200 CPU integrates a microprocessor, input circuits and output circuits and a power supply unit in a compact housing to produce an efficient Micro PLC. After installing your software, the S7… --- ## [How to solve the error in a SIEMENS PLC](https://forumautomation.com/t/how-to-solve-the-error-in-a-siemens-plc/9516)
**Author:** [@instrumentationtechi](https://forumautomation.com/u/instrumentationtechi)\ **Replies:** 1\ **Last updated:** [June 18, 2021, 3:48am UTC](https://forumautomation.com/t/how-to-solve-the-error-in-a-siemens-plc/9516 "2021-06-18T03:48:18Z")
What is the reason for the error, there is no access to the CPU and also tried MRES but no result --- ## [PLC learning - How to Download a Ladder logic program to GE PLC?](https://forumautomation.com/t/plc-learning-how-to-download-a-ladder-logic-program-to-ge-plc/432)
**Author:** [@denizen](https://forumautomation.com/u/denizen)\ **Replies:** 0\ **Last updated:** [May 25, 2015, 5:24am UTC](https://forumautomation.com/t/plc-learning-how-to-download-a-ladder-logic-program-to-ge-plc/432 "2015-05-25T05:24:22Z")
Learn PLC : Step by step procedure to program and download with GE Proficy machine Edition Proficy Machine Edition 1)Click on File\>New 2)Select Empty Project . A window will pop up.Enter the project name. Then Click o… --- ## [Voting logic 3ooN (only binary elements)](https://forumautomation.com/t/voting-logic-3oon-only-binary-elements/9743)
**Author:** [@Kairat](https://forumautomation.com/u/Kairat)\ **Replies:** 1\ **Last updated:** [September 11, 2024, 9:23am UTC](https://forumautomation.com/t/voting-logic-3oon-only-binary-elements/9743 "2024-09-11T09:23:10Z")
Good day! This is continuing of my topic about voting logic. Here you can see simple example of 3ooN voting logic that uses only binary elements. As you can see, conception of voting logic based only on binary elemen… --- ## [Ladder logic - math instructions and comparison instructions](https://forumautomation.com/t/ladder-logic-math-instructions-and-comparison-instructions/2884)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [December 28, 2017, 8:00pm UTC](https://forumautomation.com/t/ladder-logic-math-instructions-and-comparison-instructions/2884 "2017-12-28T20:00:17Z")
Data comparison instruction: PLC instructions are designed to receive and manipulate non-Boolean values such as these to perform useful control functions. The IEC 61131-3 standard specifies a variety of data comparis… --- ## [Fatal E6 Error on an Allen Bradley PanelView Plus 7](https://forumautomation.com/t/fatal-e6-error-on-an-allen-bradley-panelview-plus-7/12568)
**Author:** [@Instrument\_Engineer](https://forumautomation.com/u/Instrument_Engineer)\ **Replies:** 1\ **Last updated:** [September 19, 2024, 4:37am UTC](https://forumautomation.com/t/fatal-e6-error-on-an-allen-bradley-panelview-plus-7/12568 "2024-09-19T04:37:24Z")
Fatal E6 Error on an Allen Bradley PanelView Plus 7 Good morning, has anyone successfully resolved a Fatal E6 Error on an Allen Bradley PanelView Plus 7 Performance (Series A) HMI? We’ve already tried selecting “clear al… --- ## [Voting logic 2ooN (only binary elements)](https://forumautomation.com/t/voting-logic-2oon-only-binary-elements/9742)
**Author:** [@Kairat](https://forumautomation.com/u/Kairat)\ **Replies:** 0\ **Last updated:** [August 14, 2021, 3:03am UTC](https://forumautomation.com/t/voting-logic-2oon-only-binary-elements/9742 "2021-08-14T03:03:30Z")
Greetings! It’s my first topic in this forum, and I hope it will be interesting for you! I believe a most of you familiar with 2ooN logic (SIS, FGS, BMS etc. applications). And if you are, then you should know how it w… --- ## [Honeywell Safety PLC FSC (Fail Safe Controller) showing "spurious watchdog interrupt, memory error"](https://forumautomation.com/t/honeywell-safety-plc-fsc-fail-safe-controller-showing-spurious-watchdog-interrupt-memory-error/183)
**Author:** [@omega](https://forumautomation.com/u/omega)\ **Replies:** 1\ **Last updated:** [December 6, 2014, 4:57pm UTC](https://forumautomation.com/t/honeywell-safety-plc-fsc-fail-safe-controller-showing-spurious-watchdog-interrupt-memory-error/183 "2014-12-06T16:57:06Z")
In FSC(Fail Safe Controller) ,Extended diagnostics showing “spurious watchdog interrupt, memory error”.What is the issue? --- ## [What is Siemens PLC Step 7, and how does it work?](https://forumautomation.com/t/what-is-siemens-plc-step-7-and-how-does-it-work/11382)
**Author:** [@Instrument\_Engineer](https://forumautomation.com/u/Instrument_Engineer)\ **Replies:** 0\ **Last updated:** [August 10, 2023, 5:47am UTC](https://forumautomation.com/t/what-is-siemens-plc-step-7-and-how-does-it-work/11382 "2023-08-10T05:47:33Z")
Siemens PLC Step 7 is a programming software used to create and manage programs for Siemens Programmable Logic Controllers (PLCs). It is part of the TIA (Totally Integrated Automation) Portal, which is Siemens’ compr… --- ## [How to do the PLC input and output connection](https://forumautomation.com/t/how-to-do-the-plc-input-and-output-connection/9799)
**Author:** [@instrumentationtechi](https://forumautomation.com/u/instrumentationtechi)\ **Replies:** 1\ **Last updated:** [August 30, 2021, 4:28am UTC](https://forumautomation.com/t/how-to-do-the-plc-input-and-output-connection/9799 "2021-08-30T04:28:23Z")
Explain how the input and output ports of PLC are connected to the devices --- ## [Is it possible to temporarily jump out a sensor by forcing an output in the PLC](https://forumautomation.com/t/is-it-possible-to-temporarily-jump-out-a-sensor-by-forcing-an-output-in-the-plc/9868)
**Author:** [@instrumentationtechi](https://forumautomation.com/u/instrumentationtechi)\ **Replies:** 1\ **Last updated:** [September 21, 2021, 4:01am UTC](https://forumautomation.com/t/is-it-possible-to-temporarily-jump-out-a-sensor-by-forcing-an-output-in-the-plc/9868 "2021-09-21T04:01:28Z")
Would you force an output in the PLC, or use a physical jumper wire to temporarily jump out a sensor --- ## [Siemens TIA Portal block: Analog Input Scale](https://forumautomation.com/t/siemens-tia-portal-block-analog-input-scale/314)
**Author:** [@EstrinAutomation](https://forumautomation.com/u/EstrinAutomation)\ **Replies:** 0\ **Last updated:** [March 15, 2015, 7:37pm UTC](https://forumautomation.com/t/siemens-tia-portal-block-analog-input-scale/314 "2015-03-15T19:37:28Z")
Description:“Analog Input Scale” Function Block made to make a scaling from Raw data in PLC’s Analog Input to an Engineering Units value to ease the understanding of the value presented in the program.(4-20mA, 0-20mA, 0-… --- ## [PLC S7-200 cp4224 backup problem](https://forumautomation.com/t/plc-s7-200-cp4224-backup-problem/7941)
**Author:** [@slymnptr](https://forumautomation.com/u/slymnptr)\ **Replies:** 1\ **Last updated:** [November 6, 2024, 5:37am UTC](https://forumautomation.com/t/plc-s7-200-cp4224-backup-problem/7941 "2024-11-06T05:37:02Z")
Hi everyone. We have a s7-200 cpu224 plc. It has a hardware problem. so we want to backup program to restore to other plc. but it gives “The PLC has been protected to prevent program upload.” error. i looked so many pag… --- ## [How to clear faults in controlLogix controller](https://forumautomation.com/t/how-to-clear-faults-in-controllogix-controller/2702)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [November 22, 2017, 7:48pm UTC](https://forumautomation.com/t/how-to-clear-faults-in-controllogix-controller/2702 "2017-11-22T19:48:31Z")
Faults can occur in any program during the execution. It is important how to find the fault and clear it. Let have a look at the procedure for clear the fault. Consider a program that has already written having faults. … --- ## [Simence plc programming](https://forumautomation.com/t/simence-plc-programming/659)
**Author:** [@Shubham](https://forumautomation.com/u/Shubham)\ **Replies:** 1\ **Last updated:** [September 24, 2024, 1:41pm UTC](https://forumautomation.com/t/simence-plc-programming/659 "2024-09-24T13:41:59Z")
Hello, i want to know how interrupts work in s7 314 cpu how it divide processing time and what happen to beground process. [Previous page](https://forumautomation.com/c/plc-programmable-logic-controllers/6.md?page=1&per_page=50) [Next page](https://forumautomation.com/c/plc-programmable-logic-controllers/6.md?page=3&per_page=50)