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  1. Hello - I've recently started my adventure into PLC programming and I've found this site to be very helpful. I took on a project that requires control of a cylinder - the short and skinny is that the cylinder will have to provide position feedback and stroke to various set lengths determined by position of a selector switch. So - If position 1 is selected, the cylinder will stroke 20"inches. If Position 2 is selected, cylinder will stroke to 25"inches - so on and so on.   My questions is how to best go about this process. I may be having a brain-block and not viewing this clearly, but something is not clicking for me and wanted some advice. Planned on using Allen-Bradley's Micro850 PLC (had one on the shelf, and CCW software is free so why not). Thanks
  2.  Hi all. I have a question about how to set up the motor in rotary mode. My application will be a basic rotary table driven by a servo motor without gearbox between. So, in my servo drive axis settings, I select the motor as a rotary mode. then I defined the maximum position setting value for 360 degrees, and minimum to 0. So far so good. But the problem comes when I want to make an absolute move using the mc_moveAbsolute to move 360 degrees. Whit this settings the error "target position settings out of range " will come up. So, what is the solution to rotate 360 degrees without generating this error? if I set up the maximum value to 361 degrees and then if I rotate 360 the error will not occur and the motor will rotate 360 degrees as I aspected, but it's this correct ? or there is another way to do it? Thanks  
  3. Is it possible to add another AB Rockwell PLC to the network tree as a Generic Ethernet Module and use it as IO? Any idea where I would find information regarding assembly instance and size of I/O/C for AB Rockwell products? If possible, what are the pros and cons when compared to produce/consume and MSG instructions? Don't need to use it real world, just curious. Many thanks in advance.
  4. Delta PLC Analog Noise Reduction

    Hello All, I am Using Delta SE Series PLC and 06AD Module for Pressure Transmitter. But Analog input get fluctuate continuously. Is anybody have program for analog scaling.
  5. Hi guys! Can anybody help me? I have an existing controlnet network. How can I connected a new module? Like an 1794 IB16. What should I need to do after I connected the new module? One more question: What's the difference if I do not connected the new module right after the last module, but I connected between already existing module. Then what should I need to configure. If anybody want to help, please write like step by step. I'm a beginner, but I want to imporve myself. Thank you for your help. I almost forget, I need to work with Allen-Bradley PLC, and I have RSLogix 5000 software.
  6. 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..
  7. I know it may sound stupid but I am new with Studio 5000 and trying to build a project where I have to home my servo drive other than the position to zero and it is not fix but rather decided by a safety switch. What I am looking for is a dynamic Home position Entry which I am able to find it in the axis parameter but not in the CIP_Structure. Is any kind of motion FB for home position set entry? Any help would be useful. Thanks PS: Studio 5000 v30, Kinetex 5500 v7.01, L33ERM processor
  8. 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!  
  9. 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
  10. Using Ethernet/IP to stream position data to a LinMot Drive, may be quite difficult because the LinMot requires a precise period between data points.  I've been told PVA streaming has been done with the Rockwell PLC, but the Ethernet IP bus needs to be updated at regular intervals (the requested packet interval between the PLC and the drive), and the task/ladder that has the streaming command is also examined at those regular intervals. This sounds like a timed messaging system over Ethernet, to satisfy the LinMot's requirement for precisely intervaled packets, which would compensate for Ethernet/IP's general lack of precise timing between data packets.     (the preferred method is to use EtherCAT) Has anyone ever tried this.. ?   Please describe the method with a little detail .. I'm trying to see if an Omron NJ can stream PV or even just P ... using their Ethernet/IP port.     If Rockwell has done it successfully, I would love to know how...   Thanks much... Regards, Michael
  11. I am searching for the Replacement of the Ultra 5000 Servo Drive as i cant get online to it with the Ultraware software over wireless plant network. In order to get online i have to connect serial cable every time. And the Drives are used in time critical assembly line  kind of environment. So is there any other replacement which works as intelligent as of Ultra 5000 and also have additional feature of built in Ethernet port which can help me to get online with it wireless over plant network.
  12. Omnuc U software

    Hi, I have begun to look into some positioning equipment we have had for a while. There is a CQM1 CPU51 connected to R88D-U series servo drives, and a CS1 with C200HW-NC113 and a R88D-U. I have found WinMon on myomron, but not tried to install it yet, will it run at all on a Win7 machine or do I have to dig out some older PC? Same with the NC unit, there is mentioned a SYSMAC-NCT program in the manual, but I have not been able to find this anywhere, Is this still a commercial item? Are there any newer software that will communicate with these old units? If we decide to upgrade any of this, will we have to replace all, or is it possible to reuse the servomotors or other parts? This is all for educational purposes, no production or safety issues involved. I would of course like my students to work with the most updated systems, but unfortunately we are on a limited budget :( Geir
  13. RSLogix Tag Name Confusion

    I am trying to learn the logic of a process at my new job. There are tag names that I can't make sense of because they end with _xva, _xvb, _xvu, _xvd, _xvo, _xvc, _zsm, _zsu, _zsc, _zso, _zsd and so on and so forth. I know they are associated with motion, but I need to make better sense of them. There are no descriptors. What do they mean and is there a resource available that I can reference?
  14. Version 1.0.0

    36 downloads

    Using this module to replace of FX3U-ENET to reduce the cost(if not using the e-mail function)
  15. 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
  16. Analog module configurations

    hai everyone im new to this forum, i hope this forum will clear all my doubts about plc Ok Guys my doubt is How  to connect two, three, four wire sensors to S7 PLC's? Please help me guys im new to PLC Controlling Thank you.
  17.    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      
  18. Hi all I am setting up a batch tank system, I have 1 pump which can pump to six different tanks(via pneumatic actuated valves). This is my first go with a HMI, usually I would use a multiple position switch. Is it possible to make a six position selector switch with a HMI? I am using a AB Panel-View 800, has anyone done this before? Any help would be appreciated.
  19. 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?
  20. 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  
  21. 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?
  22. 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?
  23. 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
  24.   In this first picture is a numerical input with a monitor device D2058. In the whole GOT project this is the only device that saves the information inputed.   Then on que PLC sequence theres an instruction moving that device's value gotten from the GOT to the position module's buffer memory. My doubt comes when there's another device D10022Z9 getting the same value of D2058. In this case the Z9 index is always 0, I checked. In the whole PLC program this is the only part where the D10022Z9 appears, there is no instruction anywhere copying D2058 to D10022Z9 which is how I would think is the way it has the same data always. Am I missing something or how is this possible?  
  25. I need to learn about position control for 2 axis with a QD75MH2 module. I know how the basics about programming with the Q Series PLC but I've never done any positioning control. I'm having a really hard time understanding the program I have to modify and I don't know where to start. Is there any course you might recommend? Even if I have to pay for it. Thanks.