# PLC (Programmable Logic Controllers) **URL:** https://forumautomation.com/c/plc-programmable-logic-controllers/6.md?page=3 [Latest](https://forumautomation.com/latest.md) · [Categories](https://forumautomation.com/categories.md) · [Tags](https://forumautomation.com/tags.md) **Page:** 4 --- ## [Siemens PLC Remote I/O](https://forumautomation.com/t/siemens-plc-remote-i-o/4284)
**Author:** [@Sujit](https://forumautomation.com/u/Sujit)\ **Replies:** 3\ **Last updated:** [August 5, 2018, 7:18am UTC](https://forumautomation.com/t/siemens-plc-remote-i-o/4284 "2018-08-05T07:18:57Z")
Please any body can share some idea about Remote I/O --- ## [What is the difference between Rockwell ControlLogix and CompactLogix?](https://forumautomation.com/t/what-is-the-difference-between-rockwell-controllogix-and-compactlogix/11899)
**Author:** [@Instrument\_Engineer](https://forumautomation.com/u/Instrument_Engineer)\ **Replies:** 1\ **Last updated:** [September 6, 2024, 2:58pm UTC](https://forumautomation.com/t/what-is-the-difference-between-rockwell-controllogix-and-compactlogix/11899 "2024-09-06T14:58:20Z")
What is the difference between Rockwell ControlLogix and CompactLogix? Rockwell Automation offers two main families of programmable logic controllers (PLCs): ControlLogix and CompactLogix. While both families are part… --- ## [Control of Tea Dispenser PLC program](https://forumautomation.com/t/control-of-tea-dispenser-plc-program/4014)
**Author:** [@areejsidhik](https://forumautomation.com/u/areejsidhik)\ **Replies:** 0\ **Last updated:** [July 4, 2018, 2:56am UTC](https://forumautomation.com/t/control-of-tea-dispenser-plc-program/4014 "2018-07-04T02:56:32Z")
In this session we are gonna discuss a PLC program of a tea dispenser I/O assignments Input Cup detection X000 (ON when cup is present) Dispense tea button X001 Check tea leaves button X002 Replenish water tank low… --- ## [PLC (Programmable logic Controllers ) Trouble Shooting Manual](https://forumautomation.com/t/plc-programmable-logic-controllers-trouble-shooting-manual/257)
**Author:** [@automate](https://forumautomation.com/u/automate)\ **Replies:** 0\ **Last updated:** [February 20, 2015, 6:42am UTC](https://forumautomation.com/t/plc-programmable-logic-controllers-trouble-shooting-manual/257 "2015-02-20T06:42:31Z")
Check List Check the integrity of the PLC’s power and ground. a) Visually inspect the power and ground wiring, looking for loose, corroded, or otherwise questionable connections. b) The integrity of the ground can be… --- ## [How Does PLC Ladder Logic Programming Work for Door Control?](https://forumautomation.com/t/how-does-plc-ladder-logic-programming-work-for-door-control/14238)
**Author:** [@TSRS](https://forumautomation.com/u/TSRS)\ **Replies:** 1\ **Last updated:** [July 9, 2026, 5:27am UTC](https://forumautomation.com/t/how-does-plc-ladder-logic-programming-work-for-door-control/14238 "2026-07-09T05:27:30Z")
How Does PLC Ladder Logic Programming Work for Door Control? Reference Image Provided by the Respondent --- ## [PLC learning series for PLC Basics: A Comprehensive Guide for Beginners](https://forumautomation.com/t/plc-learning-series-for-plc-basics-a-comprehensive-guide-for-beginners/11250)
**Author:** [@Instrument\_Engineer](https://forumautomation.com/u/Instrument_Engineer)\ **Replies:** 0\ **Last updated:** [June 19, 2023, 3:15pm UTC](https://forumautomation.com/t/plc-learning-series-for-plc-basics-a-comprehensive-guide-for-beginners/11250 "2023-06-19T15:15:00Z")
Programmable Logic Controllers (PLCs) play a crucial role in automation and control systems across various industries. Whether you’re an aspiring engineer, technician, or simply interested in learning about PLCs, this… --- ## [PLC panel wiring Considerations](https://forumautomation.com/t/plc-panel-wiring-considerations/3767)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [June 2, 2018, 6:07pm UTC](https://forumautomation.com/t/plc-panel-wiring-considerations/3767 "2018-06-02T18:07:55Z")
Wiring guidelines: Use the shortest possible wire length. Use wire trays for routing where possible. Avoid running wires near high energy wiring. Avoid running DC wiring in close proximity to AC wiring where possible. A… --- ## [What does the PLC rack's backplane do?](https://forumautomation.com/t/what-does-the-plc-racks-backplane-do/11933)
**Author:** [@Sundar\_Iyalunaidu](https://forumautomation.com/u/Sundar_Iyalunaidu)\ **Replies:** 1\ **Last updated:** [April 4, 2024, 4:43pm UTC](https://forumautomation.com/t/what-does-the-plc-racks-backplane-do/11933 "2024-04-04T16:43:46Z")
What does the PLC rack’s backplane do? --- ## [Advantages of PLC](https://forumautomation.com/t/advantages-of-plc/3672)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [May 22, 2018, 5:33pm UTC](https://forumautomation.com/t/advantages-of-plc/3672 "2018-05-22T17:33:01Z")
PLC is basically designed to operate in an industrial environment with wide range s of ambient temperature and humidity All the capabilities of the earlier systems Hardware and software of the PLC are designed fo… --- ## [Wireless pressure transmitter with the PLC?](https://forumautomation.com/t/wireless-pressure-transmitter-with-the-plc/169)
**Author:** [@automate](https://forumautomation.com/u/automate)\ **Replies:** 2\ **Last updated:** [March 15, 2015, 5:28pm UTC](https://forumautomation.com/t/wireless-pressure-transmitter-with-the-plc/169 "2015-03-15T17:28:03Z")
Does anyone knows how to connect the wireless pressure transmitter with the PLC? --- ## [Allen bradly PLC Programming - RSLogix 500 Shift Registers](https://forumautomation.com/t/allen-bradly-plc-programming-rslogix-500-shift-registers/420)
**Author:** [@automate](https://forumautomation.com/u/automate)\ **Replies:** 0\ **Last updated:** [May 10, 2015, 6:05am UTC](https://forumautomation.com/t/allen-bradly-plc-programming-rslogix-500-shift-registers/420 "2015-05-10T06:05:16Z")
Shift registers are handles in SLC 500 with two commands BSL and BSR. BSL - Shift the bit left using BSL command BSR- Shift the bit right using BSR command Working of bit shift register When you have a false to true tr… --- ## [Fail Safe system and Fault Tolerant System in PLC](https://forumautomation.com/t/fail-safe-system-and-fault-tolerant-system-in-plc/341)
**Author:** [@vipin](https://forumautomation.com/u/vipin)\ **Replies:** 1\ **Last updated:** [February 8, 2024, 3:28am UTC](https://forumautomation.com/t/fail-safe-system-and-fault-tolerant-system-in-plc/341 "2024-02-08T03:28:44Z")
Can any body explain me what is the difference --- ## [Allen-Bradley SLC 500 Fault Routine](https://forumautomation.com/t/allen-bradley-slc-500-fault-routine/3308)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [March 19, 2018, 5:50pm UTC](https://forumautomation.com/t/allen-bradley-slc-500-fault-routine/3308 "2018-03-19T17:50:53Z")
Allen-Bradley SLC 500 controllers allow you to designate a subroutine file as a fault routine. If used, it determines how the processor responds to a programming error. The program file assigned as the fault routine is d… --- ## [What is the Basic structure of a Control Logix project?](https://forumautomation.com/t/what-is-the-basic-structure-of-a-control-logix-project/959)
**Author:** [@denizen](https://forumautomation.com/u/denizen)\ **Replies:** 0\ **Last updated:** [April 3, 2016, 11:42pm UTC](https://forumautomation.com/t/what-is-the-basic-structure-of-a-control-logix-project/959 "2016-04-03T23:42:03Z")
Control logix project is comprised of tasks that contains programs,routines and other element. Tasks within the project set the execution priority for one or more programs and scheduled programs execution.With up to 32 … --- ## [PLC and LabVIEW interface](https://forumautomation.com/t/plc-and-labview-interface/7039)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [August 26, 2019, 7:08pm UTC](https://forumautomation.com/t/plc-and-labview-interface/7039 "2019-08-26T19:08:56Z")
To regulate the operation of various control schemes, a PLC and LabVIEW-based control system is being created. LabVIEW compared to the logic of the ladder. Saving historical information in a database is also comparativel… --- ## [Simatic S7 memory areas](https://forumautomation.com/t/simatic-s7-memory-areas/2695)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [November 21, 2017, 8:12pm UTC](https://forumautomation.com/t/simatic-s7-memory-areas/2695 "2017-11-21T20:12:14Z")
Load Memory: The load memory is located on the SIMATIC Micro Memory Card. The size of the load memory corresponds exactly to the size of the SIMATIC Micro Memory Card. It is used to store code blocks, data bl… --- ## [Introduction to ABB AC 800F controller](https://forumautomation.com/t/introduction-to-abb-ac-800f-controller/10431)
**Author:** [@Ajmal\_ismail](https://forumautomation.com/u/Ajmal_ismail)\ **Replies:** 0\ **Last updated:** [May 24, 2022, 3:59am UTC](https://forumautomation.com/t/introduction-to-abb-ac-800f-controller/10431 "2022-05-24T03:59:43Z")
The Features of the AC 800F controller ❖ The AC 800F controller has a modular structure. ❖ The CPU is 32-bit super scalar RISC processor. ❖ It consists of RAM16 MB (SD-RAM). ❖ This controller supports around 10… --- ## [How to start and set up new project in Rockwell's Studio 5000](https://forumautomation.com/t/how-to-start-and-set-up-new-project-in-rockwells-studio-5000/2651)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [November 15, 2017, 1:31pm UTC](https://forumautomation.com/t/how-to-start-and-set-up-new-project-in-rockwells-studio-5000/2651 "2017-11-15T13:31:45Z")
Open your Studio 5000 from your desktop. The above-shown studio 5000 window will appear. Go to New project under the create option. New window brings the controllers option Select a controller and give an approp… --- ## [PLC Control Panel Electrical Conditions](https://forumautomation.com/t/plc-control-panel-electrical-conditions/4174)
**Author:** [@areejsidhik](https://forumautomation.com/u/areejsidhik)\ **Replies:** 0\ **Last updated:** [July 21, 2018, 5:10am UTC](https://forumautomation.com/t/plc-control-panel-electrical-conditions/4174 "2018-07-21T05:10:07Z")
The power supply, grounding, and noise make up the main elements of the electrical conditions. In the installation and wiring of the device, great care must be taken to ensure that there is no danger to the human body, a… --- ## [How to establish communication between Siemens S7 200 with serial printer?](https://forumautomation.com/t/how-to-establish-communication-between-siemens-s7-200-with-serial-printer/177)
**Author:** [@denizen](https://forumautomation.com/u/denizen)\ **Replies:** 1\ **Last updated:** [November 30, 2014, 1:56am UTC](https://forumautomation.com/t/how-to-establish-communication-between-siemens-s7-200-with-serial-printer/177 "2014-11-30T01:56:44Z")
Siemens S7 200 Plc communication with printer.Which type of protocol can be used for the communication of S7 200 programmable logic controller with serial printer? --- ## [SIS controllers(logic solvers) - Safety Instrumented Functions and Systems](https://forumautomation.com/t/sis-controllers-logic-solvers-safety-instrumented-functions-and-systems/3324)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [March 23, 2018, 6:19pm UTC](https://forumautomation.com/t/sis-controllers-logic-solvers-safety-instrumented-functions-and-systems/3324 "2018-03-23T18:19:45Z")
What is SIS? A Safety Instrumented Function, or SIF, is one or more components designed to execute a specific safety-related task in the event of a specific dangerous condition. A Safety Instrumented System, or SIS, is… --- ## [What is the function of a PLC's MRES Switch?](https://forumautomation.com/t/what-is-the-function-of-a-plcs-mres-switch/11833)
**Author:** [@Rabert](https://forumautomation.com/u/Rabert)\ **Replies:** 0\ **Last updated:** [February 29, 2024, 2:32pm UTC](https://forumautomation.com/t/what-is-the-function-of-a-plcs-mres-switch/11833 "2024-02-29T14:32:27Z")
What is MRES Switch? A PLC’s “MRES” switch denotes “Memory Reset.” By using this switch, the PLC’s memory can be reset to its default (or) uninitialized state, erasing any stored programs or data. This feature is helpfu… --- ## [How to get data from a PLC using IIoT?](https://forumautomation.com/t/how-to-get-data-from-a-plc-using-iiot/9771)
**Author:** [@sRada](https://forumautomation.com/u/sRada)\ **Replies:** 0\ **Last updated:** [August 20, 2021, 7:27am UTC](https://forumautomation.com/t/how-to-get-data-from-a-plc-using-iiot/9771 "2021-08-20T07:27:58Z")
Many engineers would like to make their PLC data centrally accessible to solve faults and monitor their machines more easily. By extracting data from the PLC, using protocols like OPC-UA, ModBus, BACnet or Siemens S7, yo… --- ## [How to write PLC Ladder program using Allen Bradley- RSLogix](https://forumautomation.com/t/how-to-write-plc-ladder-program-using-allen-bradley-rslogix/468)
**Author:** [@instrumen](https://forumautomation.com/u/instrumen)\ **Replies:** 0\ **Last updated:** [June 27, 2015, 10:38am UTC](https://forumautomation.com/t/how-to-write-plc-ladder-program-using-allen-bradley-rslogix/468 "2015-06-27T10:38:59Z")
Entering the LADDER program: A Personal computer is most often used to enter the ladder program. The computer is adapted to the particular PLC model using the relevant programmable control software and driver software. … --- ## [Alarm Acknowledge circuit in LOGOSoft V8](https://forumautomation.com/t/alarm-acknowledge-circuit-in-logosoft-v8/1564)
**Author:** [@steven](https://forumautomation.com/u/steven)\ **Replies:** 1\ **Last updated:** [January 14, 2019, 8:43pm UTC](https://forumautomation.com/t/alarm-acknowledge-circuit-in-logosoft-v8/1564 "2019-01-14T20:43:10Z")
Hi I am new to PLC’s and I am trying to program a small Siemens LOGO PLC with the use of their LOGOSoft software in the wiring diagram section I am trying to design a simple alarm system for low water level on a tank. … --- ## [How to write a PLC program in structure?](https://forumautomation.com/t/how-to-write-a-plc-program-in-structure/4392)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [August 15, 2018, 6:17pm UTC](https://forumautomation.com/t/how-to-write-a-plc-program-in-structure/4392 "2018-08-15T18:17:26Z")
Program structure of a PLC program can be understood from the flowchart. But here are some consideration to made to write a program. Program Structure: One should try to get a structured program with definite sections d… --- ## [How to connect a delta DVP PLC using the wplSoft 2.5 software](https://forumautomation.com/t/how-to-connect-a-delta-dvp-plc-using-the-wplsoft-2-5-software/9125)
**Author:** [@instrumentationtechi](https://forumautomation.com/u/instrumentationtechi)\ **Replies:** 1\ **Last updated:** [February 3, 2021, 6:03am UTC](https://forumautomation.com/t/how-to-connect-a-delta-dvp-plc-using-the-wplsoft-2-5-software/9125 "2021-02-03T06:03:32Z")
I’m trying to connect to a Delta DVP PLC. But I’m getting this error. I’m using wplSoft 2.5 software. --- ## [What are the Five PLC programming languages?](https://forumautomation.com/t/what-are-the-five-plc-programming-languages/10519)
**Author:** [@Ajmal\_ismail](https://forumautomation.com/u/Ajmal_ismail)\ **Replies:** 0\ **Last updated:** [July 8, 2022, 6:21am UTC](https://forumautomation.com/t/what-are-the-five-plc-programming-languages/10519 "2022-07-08T06:21:06Z")
The IEC (International Electrotechnical Commission) Section 61131-3 Standard includes 5 languages. This IEC standard specifies some ground rules for standardising PLCs and associated programming languages. Let’s take a c… --- ## [What is the function of a PLC watchdog timer?](https://forumautomation.com/t/what-is-the-function-of-a-plc-watchdog-timer/10854)
**Author:** [@denizen](https://forumautomation.com/u/denizen)\ **Replies:** 0\ **Last updated:** [January 23, 2023, 1:11am UTC](https://forumautomation.com/t/what-is-the-function-of-a-plc-watchdog-timer/10854 "2023-01-23T01:11:46Z")
Watchdog Timer: A programmable logic controller (PLC) watchdog timer is a feature included into a PLC system that monitors the PLC’s behavior to ensure proper operation. The watchdog timer checks for a “heartbeat” signal… --- ## [Step by step instruction Wincc OA and Modbus TCP](https://forumautomation.com/t/step-by-step-instruction-wincc-oa-and-modbus-tcp/1797)
**Author:** [@krollcbas](https://forumautomation.com/u/krollcbas)\ **Replies:** 0\ **Last updated:** [February 25, 2017, 3:01pm UTC](https://forumautomation.com/t/step-by-step-instruction-wincc-oa-and-modbus-tcp/1797 "2017-02-25T15:01:36Z")
The purpose of this article is to provide a step by step directions for the development of the built-in Modbus driver settings in the SCADA system WinCC OA. Unfortunately, the basic course, this connection is not checke… --- ## [Who are the major PLC manufacturers?](https://forumautomation.com/t/who-are-the-major-plc-manufacturers/5386)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [December 4, 2018, 5:37pm UTC](https://forumautomation.com/t/who-are-the-major-plc-manufacturers/5386 "2018-12-04T17:37:33Z")
There are several PLC manufactures that all engineers and technicians should know about. The PLC brand is selected depending on the workplace, Some places use more than one manufacturer in a single facility. Let look at … --- ## [Introduction to ABB AC700F controller](https://forumautomation.com/t/introduction-to-abb-ac700f-controller/10430)
**Author:** [@Ajmal\_ismail](https://forumautomation.com/u/Ajmal_ismail)\ **Replies:** 0\ **Last updated:** [May 23, 2022, 4:27am UTC](https://forumautomation.com/t/introduction-to-abb-ac700f-controller/10430 "2022-05-23T04:27:16Z")
What are the Features of AC 700F controllers? The AC 700F controllers have the following features. ❖ The AC 700F controller comes with a modular design. ❖ The AC 700F controller is designed according to the IEC 611… --- ## [What is AFI in PLC programming?](https://forumautomation.com/t/what-is-afi-in-plc-programming/11894)
**Author:** [@Instrument\_Engineer](https://forumautomation.com/u/Instrument_Engineer)\ **Replies:** 0\ **Last updated:** [March 22, 2024, 12:20pm UTC](https://forumautomation.com/t/what-is-afi-in-plc-programming/11894 "2024-03-22T12:20:35Z")
What is AFI in PLC programming? In PLC (Programmable Logic Controller) programming, AFI typically stands for “Always False Instruction.” AFI is a logic instruction used to create a condition that is always false. Thi… --- ## [What does 16-bit resolution mean in PLC?](https://forumautomation.com/t/what-does-16-bit-resolution-mean-in-plc/11328)
**Author:** [@Instrument\_Engineer](https://forumautomation.com/u/Instrument_Engineer)\ **Replies:** 0\ **Last updated:** [July 25, 2023, 1:28am UTC](https://forumautomation.com/t/what-does-16-bit-resolution-mean-in-plc/11328 "2023-07-25T01:28:45Z")
In the context of Programmable Logic Controllers (PLCs), “16-bit resolution” refers to the data representation capability of the analog input module used to interface with sensors, such as process signal transmitters.… --- ## [Problems related to Beckhoff CX5020 plc](https://forumautomation.com/t/problems-related-to-beckhoff-cx5020-plc/9530)
**Author:** [@instrumentationtechi](https://forumautomation.com/u/instrumentationtechi)\ **Replies:** 1\ **Last updated:** [June 22, 2021, 11:05am UTC](https://forumautomation.com/t/problems-related-to-beckhoff-cx5020-plc/9530 "2021-06-22T11:05:16Z")
Having trouble with an Beckhoff CX5020 plc. Will not start up.(BOOT) Replaced battery CR2032 in plc. Have checked the memory card i can’t see anything that looks like an error to me, i could read it when plugged to my c… --- ## [What are the various communication interfaces supported by Allen bradley?](https://forumautomation.com/t/what-are-the-various-communication-interfaces-supported-by-allen-bradley/11258)
**Author:** [@Instrument\_Engineer](https://forumautomation.com/u/Instrument_Engineer)\ **Replies:** 0\ **Last updated:** [June 22, 2023, 4:33am UTC](https://forumautomation.com/t/what-are-the-various-communication-interfaces-supported-by-allen-bradley/11258 "2023-06-22T04:33:21Z")
In the world of industrial automation, Allen-Bradley, a brand owned by Rockwell Automation, is a major player. They provide a wide range of goods and services made to facilitate communication and management in manufactur… --- ## [How to install a PLC control builder - ABB's AC 800M](https://forumautomation.com/t/how-to-install-a-plc-control-builder-abbs-ac-800m/2350)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [September 27, 2017, 8:34am UTC](https://forumautomation.com/t/how-to-install-a-plc-control-builder-abbs-ac-800m/2350 "2017-09-27T08:34:05Z")
We have to know how to install a AC 800M. Before that, let’s check the basic requirements for installation: Minimum requirements : OS Windows 2000 Professional or Windows XP Professional Microsoft Word 2000 or 200… --- ## [What is a fail-safe PLC?](https://forumautomation.com/t/what-is-a-fail-safe-plc/13174)
**Author:** [@Instrument\_Engineer](https://forumautomation.com/u/Instrument_Engineer)\ **Replies:** 2\ **Last updated:** [June 6, 2026, 5:51am UTC](https://forumautomation.com/t/what-is-a-fail-safe-plc/13174 "2026-06-06T05:51:53Z")
What is a fail-safe PLC? --- ## [How to Configure and connect Online a Allen Bradley PLC SLC500](https://forumautomation.com/t/how-to-configure-and-connect-online-a-allen-bradley-plc-slc500/5352)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [December 1, 2018, 2:53pm UTC](https://forumautomation.com/t/how-to-configure-and-connect-online-a-allen-bradley-plc-slc500/5352 "2018-12-01T14:53:52Z")
Configuration of Allen Bradley SLC 500: The PLC SLC 500 has two types of modules namely fixed and modular PLC, images below shows an example of the configuration of the two types of modules Fixed type PLC modules are… --- ## [Why are programmable logic controllers (PLCs) preferred over microcontrollers in the automation industries?](https://forumautomation.com/t/why-are-programmable-logic-controllers-plcs-preferred-over-microcontrollers-in-the-automation-industries/11383)
**Author:** [@Instrument\_Engineer](https://forumautomation.com/u/Instrument_Engineer)\ **Replies:** 1\ **Last updated:** [October 18, 2023, 12:54pm UTC](https://forumautomation.com/t/why-are-programmable-logic-controllers-plcs-preferred-over-microcontrollers-in-the-automation-industries/11383 "2023-10-18T12:54:20Z")
Microcontrollers are also used in automation industries for specific applications where their advantages are beneficial. However, they have some limitations that make PLCs more preferred in many automation scenarios: … --- ## [What is Log4J and How it is affecting the control systems especially PLCs and DCS?](https://forumautomation.com/t/what-is-log4j-and-how-it-is-affecting-the-control-systems-especially-plcs-and-dcs/10077)
**Author:** [@Ajmal\_ismail](https://forumautomation.com/u/Ajmal_ismail)\ **Replies:** 0\ **Last updated:** [December 24, 2021, 11:36am UTC](https://forumautomation.com/t/what-is-log4j-and-how-it-is-affecting-the-control-systems-especially-plcs-and-dcs/10077 "2021-12-24T11:36:36Z")
What is Log4J? Apache Log4J is a logging utility based on Java written by Ceki Gülcü. It is part of Apache Logging Services. Log4J is one of the several logging frameworks of Java. What is Log4Shell Vulnerability? L… --- ## [STEP5 to STEP7 conversion](https://forumautomation.com/t/step5-to-step7-conversion/318)
**Author:** [@Greg\_E](https://forumautomation.com/u/Greg_E)\ **Replies:** 1\ **Last updated:** [July 25, 2015, 8:44am UTC](https://forumautomation.com/t/step5-to-step7-conversion/318 "2015-07-25T08:44:35Z")
Hi to all experts, Recently i was asked to do a conversion job from an old S5 PLC to a new S7-1500 PLC. I was wondering is anybody have an experience with S5 or with conversion? Thanks in advance, Greg. --- ## [Communications between Simatic S7-200 Smart & Simatic Wincc V7.0 SP3](https://forumautomation.com/t/communications-between-simatic-s7-200-smart-simatic-wincc-v7-0-sp3/383)
**Author:** [@HENISH](https://forumautomation.com/u/HENISH)\ **Replies:** 0\ **Last updated:** [April 6, 2015, 2:19am UTC](https://forumautomation.com/t/communications-between-simatic-s7-200-smart-simatic-wincc-v7-0-sp3/383 "2015-04-06T02:19:17Z")
I am working with a project having S7-200 Smart ST60 CPU & KTP600 basic mono PN. Now i need to configure it win cc v7.0 sp3. IP Addresses as below: ST60 : 192.168.2.1 KTP600 : 192.168.2.2 Win cc PC : 192.168.2.9 i trie… --- ## [How to safely connect a machine in a factory network?](https://forumautomation.com/t/how-to-safely-connect-a-machine-in-a-factory-network/10067)
**Author:** [@sRada](https://forumautomation.com/u/sRada)\ **Replies:** 0\ **Last updated:** [December 20, 2021, 10:56am UTC](https://forumautomation.com/t/how-to-safely-connect-a-machine-in-a-factory-network/10067 "2021-12-20T10:56:56Z")
Factory owners are terrified of their machines getting infected by the IT network, or the IT network getting infected by the OT network. To prevent this from happening, strict conditions must be met for connected machine… --- ## [GX Works 2 Export to CSV](https://forumautomation.com/t/gx-works-2-export-to-csv/7143)
**Author:** [@Robert](https://forumautomation.com/u/Robert)\ **Replies:** 0\ **Last updated:** [September 18, 2019, 10:31am UTC](https://forumautomation.com/t/gx-works-2-export-to-csv/7143 "2019-09-18T10:31:48Z")
Hi there, I have a question about exporting data from GX Works 2. When I am exporting data from Global Label files, I “right click” on the file and select “Write to CSV file”. This exports the data to a CSV file which… --- ## [What is Soft PLC?](https://forumautomation.com/t/what-is-soft-plc/11641)
**Author:** [@Instrument\_Engineer](https://forumautomation.com/u/Instrument_Engineer)\ **Replies:** 0\ **Last updated:** [December 8, 2023, 10:10am UTC](https://forumautomation.com/t/what-is-soft-plc/11641 "2023-12-08T10:10:14Z")
Soft PLCs (software-based programmable logic controllers) have developed as powerful alternatives to traditional hardware-based PLCs in the field of industrial automation. This blog post goes into the fundamentals of Sof… --- ## [What is Ransomware? How it will affect industries?](https://forumautomation.com/t/what-is-ransomware-how-it-will-affect-industries/10006)
**Author:** [@Ajmal\_ismail](https://forumautomation.com/u/Ajmal_ismail)\ **Replies:** 0\ **Last updated:** [November 23, 2021, 5:16am UTC](https://forumautomation.com/t/what-is-ransomware-how-it-will-affect-industries/10006 "2021-11-23T05:16:09Z")
What is a Ransomware attack? Ransomware is a pernicious form of malicious software/program that denies you access to the system once it takes control over your computer. The attacker asks for the ransom from the victim … --- ## [Allen Bradley PLC models in 2020 December](https://forumautomation.com/t/allen-bradley-plc-models-in-2020-december/8931)
**Author:** [@Ajmal\_ismail](https://forumautomation.com/u/Ajmal_ismail)\ **Replies:** 0\ **Last updated:** [December 9, 2020, 5:24am UTC](https://forumautomation.com/t/allen-bradley-plc-models-in-2020-december/8931 "2020-12-09T05:24:09Z")
Allen Bradley is a factory automation equipment product manufacturer since 1903. It was founded by Dr. Stanton Alley and Lynde Bradley in Wisconsin, USA with an investment of $1000.In February 1985, Rockwell Internation… --- ## [Allen Bradley PLC networks](https://forumautomation.com/t/allen-bradley-plc-networks/2637)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [November 13, 2017, 6:49pm UTC](https://forumautomation.com/t/allen-bradley-plc-networks/2637 "2017-11-13T18:49:46Z")
There are different PLC networks used to connect devices to an Allen Bradley system, Data Highways and Control Net. Data highways are DH, DH+, DH 485. DH: DH is a local area network Maximum number of devices ca… --- ## [How to Interface Python with PLCs for Real-Time Data Exchange?](https://forumautomation.com/t/how-to-interface-python-with-plcs-for-real-time-data-exchange/13235)
**Author:** [@Rabert](https://forumautomation.com/u/Rabert)\ **Replies:** 0\ **Last updated:** [May 14, 2025, 9:09am UTC](https://forumautomation.com/t/how-to-interface-python-with-plcs-for-real-time-data-exchange/13235 "2025-05-14T09:09:56Z")
How to Interface Python with PLCs for Real-Time Data Exchange? PLCs (programmable logic controllers) are the foundation of industrial automation. Usually SCADA or HMI systems communicate with PLCs, but Python has evolved… [Previous page](https://forumautomation.com/c/plc-programmable-logic-controllers/6.md?page=2&per_page=50) [Next page](https://forumautomation.com/c/plc-programmable-logic-controllers/6.md?page=4&per_page=50)