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  1. 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
  2. Hi Everyone! I try to read Analog Data in PLC Master through Salve Module (ECT-21) but i dont see any data, with an Digital Module i can read and write, but with analogic module i can't do anything. The analog module works perfect, i have 4-20ma Simulator and work fine. Modules: PLC: NJ501-1300 Slave: ECT-21 Analog: ADO81-V1 Can u help me? Regads..
  3. Looking for some servo application help. Software: I have GX works 2, GT Designer, and GX Developer.  Hardware: PLC L06CPU-P, GOT2000 HMI, MR-J4-350B servo amps, HG-JR35JK motors, LD77MS2 Pulser I have (2) AC servos that will simply move an aluminum frame backwards and forwards using a FESTO belt mover and I have a servo gear reducer 20:1. I have a "simple motion module"and all of this hardware and software, plenty of time, and would really like to finish this project off. But this is my first servo and my first hmi project. I have some experience with Omron, Mitsubishi, and Allen-Bradley plc's, and consider myself novice at best. Any sample programs or help getting me started would be greatly appreciated!  
  4. 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
  5. Hello everyone, we have two damaged analog cards for CompactLogix PLC ( 1769-OF8C  & 1769-IF8) that we are going to replace. my experience is with Siemens and Schneider PLC's  but for Allen Bradley, not so much so my question is : are there any requirements or specification other than the part-number that could prevent the cards from going in service directly ? as for the firmware, series and so on ?  and do i need to do any extra work after replacing the card ? thank you Best Regards
  6. Help to find out specification of analog card AD-081-V1 . please suggest me this analog input card is active or passive?.
  7. Version 1.0.0

    67 downloads

    Using this module to replace of FX3U-ENET to reduce the cost(if not using the e-mail function)
  8. FX3U-ENET-ADP User's Manual View File Using this module to replace of FX3U-ENET to reduce the cost(if not using the e-mail function) Submitter pigflying Submitted 01/19/17 Category Manuals, Tutorials
  9. Dear, i am doing one project on Omron PLC with VB.net.  i am using Ethernet communication  with  VB to PLC but i am unable to show analog value on VB page please guide me how to get data of analog value in vb and show in VB.net for DI/DO i am using CIO &H0  forreading   and  &H1 for write but for analog value how i will show on VB.net.
  10.    Have 10 POE Analog Input Modules available on clearance  10/20-channel Voltage Input, Current Input, & Analog Input Module with High Voltage Protection PoE Module, communicable over Modbus TCP and Modbus UDP    Model Number PET-7017-10     Regular price $459.00/EA    Clearance price $344.25/EA   only good on clearance quantity only.   http://www.icpdas-usa.com/pet_7017_10.html      
  11. Hi I am searching for plc having negative analog input and output. i.e. 0 to -10v analog i/p and Analog o/p.  Can any one help me in finding plc which has this feature .  Thank You  
  12. Hi, Iam new to schneider electric PLC drive programming and also to canOpen communication. I have an LMC058 PLC and there are three Lexium 32A drives connected via canOpen which inturn controls three servomotors. My question is how to find/ read hardware limit status of the axis in which limit is connected to a digital input pin of the drive. Even though the axis is properly working by configuring the digital input pins we are unable to get the digital input status of the drive. In the drive manual its given that the digital input status can be read from canOpen address 3008:F(hex) we dont know how to read the status during run time in the program . Can any one advise me how to read that address. I tried SDO_read function but its giving me error(canOpen network id Unknown). Thanks in advance.
  13. G.INPUT

    I'm working on a project that reads an RF - TAG via RS232. It uses the G.INPUT command. I need some help to see if I understand clearly how it works. Now it reads a maximum of 16 digits but in the future i want to pass it to 32 bits. The command line is |G.INPUT    U5    D6500    D6800    M7922| If I understood correctly I load in D6500 either 1 or 2 to tell it which channel to read from. It stores the 16 digits in words starting from D6800 and goes on till D6815 if I am correct. My questions are: - did I understand correctly how to use the command and is there anything else i need to take care of while using it? - do I need to do additional settings to it in order to read 32 digits or does it automatically read (if the RF reader is compatible with 32 digits)? Thank you, Andrei
  14. Hi,  i want to read real time and date in simulation mode. How can i do this in Unity pro? Thanks for helping
  15. Hi! I have my 1756 IF8 wired in high speed differential mode but i can't configure the RTS smaller than 11 ms. What I understand it should be possible to set as low as 5 ms if module filter setting is 1000 Hz. Is there anything else that i have to do?
  16. Mitsubishi Analog

    Good day everyone, I know am quite new in this forum, but... Please has anyone here actually worked with the analog module FX2N-4AD of Mitsubishi?  I have one here with me that I intend to use in controlling a process that will be requiring 4-20mA. Unfortunately, unlike S7-300 or SLC 500, that is quite straight forward, this has been messing with my head since morning. And oh, by the way, am using Version 8 of GX-developer.   Any idea on how to go about navigating this mysterious island will be verily appreciated.   Thanks. Francis
  17. Hi 1- How can I identify a disable x20 module (in physical view) cyclically ? I am looking for a funation block who can do that because I want to use the 'Module Ok' status of x20 module to check if their presence. Problem is 'module Ok' status is the same for module missing or disable. 2- Could I disable a module using fonction block? (FYI I already know the right click in physical view). Thanks  
  18. module diagnostic

    Hi. I have Q12HCPU and Q358 Base unit. How to read from CPU which module removed from base unit when PLC is runing ? Which address storing diagnostic information?
  19. I'm using TM221CE40T PLC with TM3DI16 DI extension. I'm programming it using SoMachine Basic. In the program I implemented a counter (%C0). I've read in the documentation that %Ci.V stores the current count value. I want that to display this value on a Magelis HMIS5T. How could I store the current count value (%Ci.V)? Thanks in advance!
  20. hey!  I'm pretty new to PLC's, and I'm supposed to ''teach'' the people at my internship how this PLC works, but I have encountered a problem.  I've gotten pretty far with all the digital programming and understanding how everything works, but I just can't figure out how the analog inputs/outputs and programming works...... I've had a fair explaination on PID and how this works. I've searched the web as well to figure out what PLC instructions to use.    I hope you can answer my following questions.    1, what are the most used PLC instruction blocks which I can use for temperature control, and how am I supposed to use them? 2, Could you please give me an example on how to use PID and what numbers will I need for the calculations? 3, what are the most used PLC Instruction blocks (apart form the analog ones) that I should include in my tutorial?   this is my setup: Ethernet switch MOXA EDS-205 Plc voeding PA202 PLC CPU CJ1MCPU11-ETN Digital IN (16x) CJ1W-ID211 (SL) Digital IN (16x) CJ1W-ID211 (SL) Analog IN (8x) CJ1W-AD081 (SL) Analog IN (8x) CJ1W-AD081 (SL) TRANS OUT (16x) CJ1W-OD212 (SL) TRANS OUT (16x) CJ1W-OD212 (SL) Analog OUT (4x) CJ1W-DA041 (SL)   thank you soo much for looking at my question and considering helping me! the OMRON helpdesk hasn't been very helpfull.    kind regards,    Deuslupos,
  21. FX3G-2AD-BD Store Peak Value

    Good day, I'm new to this forum and to mitsubishi PLC but was hoping for some assistance with a programming issue. I have been through the hardware and programming manuals without luck for this issue. Hardware: FX3G-60mt FX3G-2AD-BE Settings: Structured ladder/FBD Current input mode on: M8260 (first board, first input)   What I need to do is to record the peak value over a cylinder stroke period. The hardware manual explains how to average the value using averaging time, however I basically need to peak hold and send that to a D register for go no-go compare.    Process as follows: Contact closed, monitor D8260, contact open, move peak value from D8260 during monitor duration to D205.    Thanks in advance for any assistance. -Swervomotor  
  22. Hello, does anyone here know what instruction to use to read the analog value from ch0 and display the reading for DVP-10SX plc? I'm lost, need help.
  23. Rajan

    Hello Experts  I am facing problem with CJ Series Analog I/O module MAD32. The Run LED is Lit, ERC Led is also Lit. what could be the reason?
  24. Dear Experts!!!   Could you please provide me the sample of "QD75MS Module & MR-J3-B program with functional block"    As you can see the page no. 3  in the attached document  "KI-Doc_QD77MSXX_MR-J3-XXBS.Zip" sample is there but i am not able to find it anywhere.   Or if you have any otherone please share it.   Please help!!! KIdoc_QD77servo_English_20130131.pdf
  25. Having problems with the analog drifting. Over time the counts change. I have checked grounding and have tied the analog common to the DC common which helped clean up the noise. I am using a Balluff analog linear sensor 0 - 10vdc for the iputs. Both channels seems to drift. Any Thoughts?