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  1. We are trying to use 1492-AIFM8S-3 module with 1756-IF8I module. RA has a technical post "728767 - Wiring system solutions for 1756-IF8I, 1756-IF8IH, 1756-OF8I and 1756-OF8IH IO modules" showing you will need a 1492-ACABLE*YD part number to connect the AIFM8S-3 to IF8I for internal loop powered devices, and a 1492-ACABLE*YA to connect the AIFM8S-3 to IF8I for external powered devices.  I.e., according to 728767 you CANNOT mix external powered device with internal loop powered device onto the same IF8I when 1492-AIFM8S-3 is used, you have to assign them to different IF8I modules and use the YD and YA cables accordingly.  I don't understand why that is necessary. In my understanding, external powered and internal powered devices can be mixed on IF8I, either YD or YA can be selected in conjunction with AIFM8S-3. A supporting clue would be page 215 of 1756-UM540E-EN-P, in there the manual shows for IF8I current type of wiring, YA cable is the only option you will need. Compare the 41171-192 and the 41171-199 wiring diagram in the 728767 and draw your own conclusion. (BTW, there is an error on 41171-192, pin 30 and 29 on IF8I are reversed). There seems to be a discrepancy between the 728767 and the 1756-UM540E-EN-P, doesn't it? Could any guru explain to me which one of them is more true? Many thanks in advance. page 215 1756-UM540E-EN-P.pdf 728767 - Wiring system solutions for 1756-IF8I, 1756-IF8IH, 1756-OF8I and 1756-OF8IH IO modules.pdf

  2. PLC Training

    Jay T posted a topic in Product Reviews

    Hi Everyone We are setting up a initial training in PLC programming for technicians, I got some experience with SIEMENS S7 but this seems to be an expensive choice, we would like to opt for a budget PLC but at the same time would like a user friendly software for teaching......I would like to have views of users of other PLC brands such as OMRON, MITSUBISHI or even Schneider??? thanks Jay
  3. Hello,  I have a micrologix 1400 plc connected to a length measurement gauge. The gauge sends an analog value to the plc to an analog input. I convert the value into a dimension and send it to F8:0. but I need this value in three different steps in the program. Since i just have one element of float (F8:0) is there anyway i can store the value in a different location or create more floating point tags eg. F8:1. F8:2 ?    Thank You   

  4. mitsubhishi serial drivers

    minal pai posted a topic in Mitsubishi

    Hello write now i am working with Q6UDEH PLC  project in which (nextgen 2000) 6021 card is used for conversion of serial to Ethernet data & vice versa , is it possible  by only installing the Mitsubishi serial drivers ?? or can anybody tell me how these Mitsubishi serial drivers works ??  

  5. mitsubhishi serial drivers

    minal pai posted a topic in Mitsubishi

    Hello write now i am working with Q6UDEH PLC  project in which (nextgen 2000) 6021 card is used for conversion of serial to Ethernet data & vice versa , is it possible  by only installing the Mitsubishi serial drivers ?? or can anybody tell me how these Mitsubishi serial drivers works ??  
  6. I'm building a program from scratch for the first time in awhile and I'm noticing after adding an OA16 card that I have 32 bits of output data and the data type is a DINT.  I'm using version 30 now and when I open some of my older programs in ver.15 I notice those 16 bit cards are SINT and only have 16 bits of output data as I'd expect.  What gives, why am I seeing 32 bits for this 16 bit card?
  7. Morning Guys, For my latest project I need to read a gas sensor via 485 from a Momentum PLC. I've been through the help files, but they seem to only raise more questions than they answer, they only seem to reference PLC -> PLC comms. I've had a play with the 'MBP_MSTR' & 'OUT_IN_MBUS' function blocks, but i can't seem to get anywhere, Has anyone got any examples of reading in data via 485, or can anyone lead me in the right direction?
  8. I have recently come across a free virtual plc simulator called PLC Fiddle. It will enable you to create simple PLC ladder logic code within your browser. This is an ideal way in understanding PLC concepts for industrial automation. All of the basic PLC instructions that come with most plc units have been incorporated in this virtual PLC software.PLC Fiddle is currently in an early stage of development but is functional enough to be helpful to you in learning and understanding PLC concepts.  http://accautomation.ca/plc-fiddle-online-editor-and-simulator-in-your-browser/ YouTube Video: https://youtu.be/G43ZLOwu2dM www.plcfiddle.com Let me know what you think of this for a learning tool. Thanks, Garry
  9. Hello Friends,  I've been writing a program for several days now, Actually I'm an immature for CX programmer and also for plc programming, So I'd like to ask you, if there is any decent way ,,,,I mean a good method of starting to write a program and keeping the flow of it so, it is easy to keep track on what i've been doing from the beginning.??  Cuz sometimes I face the problem of loosing points that were written by myself but not remembering them, So I'd like to learn how to organize my written lines as a wanna be professional.   Thank you   :) 

  10. RS485 Async

    ndutrastocktn posted a topic in Computer Help and Networking

    Hey guys I don't have much experience in PLC serial communication and I'm tasked to integrate 6 OP-905 scales with our EATON based control system. The scales are rs485 asynchronous serial communication, my concern is that if the device is not designed to be an RTU then I cannot use modbus. And if that is the case how do I talk to multiple scales using the async protocol. Has anyone done this in a similar platform? 

  11. Programming cables

    Raghvendra posted a topic in Other PLCs

    Is there any website that provide all details about programming cables for all PLCs.  I have one local Indian plc "Genie NX" manufactured by GIC India. I want to make programming cable for same. but unable to get details. please let me know if anybody used it? http://gicindia.com/index.html for more info
  12. Hi,   I am using Omron CP1E NA 20DTD with built-in ANALOG inputs and output. I know how to deal with digital inputs. But I have no idea about analogue input wiring and programming. I tried connecting gefran LVDT PY2 directly to an analogue input of plc. But the indicator light did not turn on. Do I need to use any signal conditioner or converter? The output of lvdt is 0 to 25volts. I HAVE ATTACHED THE DATASHEET OF LVDT. DTS_PY2_06-2016_ENG.pdf
  13. Good afternoon Mr.PLC forum members.   We recently had a fuse blow on the wiring between a 1756-OF6CI analog out card and a control valve (which we have no feedback for - only the 0-100% output). Took a little longer to troubleshoot since we have no feedback and we also don't monitor individual channel status of the card. For input cards (1756-IF8H or IF16H), it's easy enough to use the under-range/over-range or broken wire signal to troubleshoot a blown fuse or bad connection, and activate an alarm. I have been told by our local consultant-technician that there is an equivalent monitoring bit for output cards. Reading the instruction manual for the 1756-I/O cards, the fault channel bits do not seem to have this type of function for the 1756-OF6CI. The fault bits only seem to look at the requested output values, and at the connection between card and PLC itself as far as I can tell.  Am I missing something?   thanks for your help

  14. Click PLC Series Tutorial

    gclshortt posted a topic in Automation Direct

    This Click Series PLC tutorial will give you a good start in learning how to program this controller. Click PLC Series (Automation Direct) System Hardware – Video Installing the Software – Video Establish Communication – Video Numbering System and Addressing – Video Timers and Counters– Counter Video – Timer Video Compare and Math Instructions – Video Program Control Instructions – Video Shift Register – Video Drum Instruction – Video Send and Receive Instructions – Video AdvancedHMI Communiation – Video Create an Analog Voltage Input Tester for a PLC – Video Wiring Testing Analog PLC Input Click – VideoModbus RTU Click PLC Master to BRX PLC Slave Communication – Video If you have any questions or need further information, please contact me. Regards, Garry www.accautomation.ca
  15. Hello,             I need to communicate Power meters ( GE Multilin EPM 5500P) to  GE Multilin EnerVista Software. The present communication system uses Ethernet for communication from LAN Switch to Computer. There are a few existing Power Meters which need to be connected to the  Network. The Meters having output ports as RS485. I need to use a convertor for that right. So when I contacted GE they told me to use GE Multilinet Serial to Ethernet Convertor. But due to the price and unavailability of the material I am thinking to use a universal convertor. Is that compatible for Multilin Devices?? and In Case of using a universal Convertor does we need any other drivers for that. Please Help Me.. Thanks In Advance  mnetman-a3.pdf multinet (1).pdf PM-GE.pdf
  16. Hello I am kind new at Allen B. PLC and i have to make some changes in the PLC program: - add 2 safety switches. - add 4 photo sensor. just want to know what software do i need to make changes online. PLC \I have is  SLC 5/03 1747-L531 also have a touch scream terminal that i need to modify   panel view C600   thanks for your help guys.
  17. Hello All, A little bit about my current role. I am currently a Automation and Welding Robotics Programmer ( automotive industry ). I have been programming robotics for almost 4 years at my company, but this is all experience work, no qualifications. I enjoy the role but this is very insecure due to having no qualifications, if the company was to go under. I am currently working out in Hungary on a secondment with my company. The project was the introduction of a second line at one of our other plants. This has gone successfully and will be coming to an end come December.  While i have been here i have been working with a PLC Engineer ( Contractor ), After speaking with him about his role it intrigued me and felt it was something i would enjoy pursuing. Unfortunately it appears that he is a "knowledge is power" kinda guy which leaves me unable to learn anything from him.  So i am 30 Years of age this year... So my question is too any of you experienced and hopefully helpful individuals is...  Is 30 too old to start this career? if not then; Where is the best place to start learning about PLC Programming? What should i be learning? What courses are available? - Are there recognised governing bodies for this role? What career path would you suggest? I hope someone is willing to share info / answer some of my questions. Help in anyway would be greatly appreciated.
  18. Hello, I am currently working on programming my first sortation system.  Attached is a blue print of the in feed conveyors and their loadout lines.  As boxes merge together they will be scanned by the barcode scanner.  From there we will be told which lane each box must go down, from the WCS.   My question is, without encoders, what would be the best way to control this system? Counting the packages as they pass through the photoeye? Or setting timers?   Thanks, James Sorting Conveyor Layout.pdf
  19. Hi, I have encountered an unexpected "PRI" LED indication of 1756-RM Series B module. When the affected redundancy module is set to primary, the status of the "PRI" LED indicator is blinking red. On the other hand, it is set to a solid red when the RM is set as secondary. I have read the manual and there are only two expected behavior for the "PRI" LED indicator, green if it is set as the primary and off if it is secondary. Does someone encountered this scenario already?   P.S. The RM does not have any minor/major faults when accessed. The status indicator indicates "PRIM" when the affected module is set as primary and "SYNC" when set as secondary. Manual switchover between controllers are done and was successful. Thanks in advance! Regards, RIValencia
  20. Hello everyone, I have difficulty to setting up the GSM configuration or the serial RTU configuration so that I allow you with another RTU. I use Schneider CPU Modicon M340 in conjunction with RTU communication NOR0200H and a Modem Schneider SR02 MOD02. This is the first time I'm working on this kind of project, want to help me, I'm stuck and I need a solution, thank you for your time.  
  21. Good day Please assist me - pertaining to the QSeries GXWorks2 Programming  - and in particular the utilization of the macrocode functionality. The information required includes; [1] Purpose of macrocode (incl advantages) [2] its utilization's effects on the PLC programming memory (it appears that it consumes more programming memory. [3] any reference documentation that could be used - containing specifically information regarding this feature (note most manuals doesn't discuss this)
  22. Hi to everyone,    I have done an intense search on the web and this form, also went on to the download section here to try out a simple RS232 program, so far I can't get it work. Long story short, I am working on a PLC CP1E( w/ built in RS232) to communicate with the PC hyper-terminal . PC will send a string of messages to the PLC, then the PLC will convert the message to a pulse parameter, eg. computer will send ( 90, 40) to PLC, then the PLC will take the string 90 to pulses parameter( PLS2) and 40 will be the duration period. I am willing to learn and try out your sample program, let me know! THank you in advance.  

  23. CJ2M-CPU32 and CJ1W-TC002 help

    berkanaydin60 posted a topic in CX-Programmer

    Hi everyone. l have a project with omron plc but l dont know omron. l have CJ2M-CPU32 and CJ1W-TC002 also input and output units. do you have a example temperature control programme for this device ? 
  24. hello everyone, I'm trying to connect PC with Micro830 with RS232 cable for transfer serial data. However, the PLC can not receive the character from PC. I used ARD function block to read the characters from PC.  there is no error and the output of ARD function block is 0 when I debug ladder programme. the serial communication state LED illuminated once I send a character from PC to PLC. the channel of input is 2 which is the embedded serial port. I use an adapter from USB to RS232. Email: jeremietang531@gmail.com      

  25. Starting Problem with FX2N-2LC

    Muhammad Sadiq posted a topic in Mitsubishi

    Dear Experts, I have been trying to activate FX2N-2LC temperature control block but nothing could help. I have tried the ladder logic which is available in Mitsubishi manual but this is not any output from the module. Please help me or guide me to get rid over this problem, I am attaching the ladder diagram so you guys will get the Idea to where I am going wrong.   FX2N-2L Program.pdf