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  1. Hello! I am using the Plant PAX AOI L_CPU_24_Up and am having zero luck finding out both independently and from tech support what the 16 bits of the Ref_Out.Identity.Status are. The description says Tag to receive CPU data, device status (bitmapped, see documentation).  I have a techconnect contract, but cant find the correct documentation where this information lives.  Could someone please send me a link or just give me the number of the publication.  I attached a screen shot of tag info I am looking for. Thank you!!!!    
  2. Hello Folks... The pictures show it all... I just need to produce a one-shot inside the IF...THEN, and the Oneshot's input bit goes from 0 to 1 as you see from the trend, but the output bit is not going to 1, or giving a pulse ? can anyone help me understand why i am not getting a pulse in this code ? And is there another easy way to get pulse inside IF...THEN without changing the condition which activates the if loop ? Thanks in advance for your time
  3. I have a Base tag of BOOL logic that will not activate the MOV output.  The Base tag is paralleled with an Alias tag for a NO pushbutton.  When the pushbutton is actuated it produces the desired output.  Has anyone encountered this issue from a togglebit base tag before?  Why would a base tag produce a different outcome from that of an alias tag that function properly?
  4. Can anyone explain to me what this would mean in a COP instruction? Source: #N[N187:4]:[N187:5] Dest: #N[N187:1]:0 Length: 20 I am doing a PLC5 conversion to rslogix5000 and some (most) of it has been a nightmare -.-
  5. Incrementing Counter Error

    I have a counter tracking the number of cases packed through a robot program and an option to count less than a case (pack now). In order to update the correct number, I'm using math (ADD) to increment the counter by one.  I used that in conjunction with a MOV instruction to increment up the counter by one.  However, when I energize the button, my accumulated value goes up by +220 or so. Any way to fix this?
  6. Can I download an old program (written with RS Logix 500 version 5.2) into a newer SLC 5/04 Series C with a higher FRN than my copy of RS Logix supports? I don't want to use any newer functionality. Just wanting to get a spare 5/04 and load the application software on so it is ready to swap out in the event of a failure. I see some 5/04's on eBay that are new in box but have a FRN of 11 which wasn't out at the time my version of RSLogix was created.  
  7. Dispersion of an array

    Hi Guys. I have a trouble to determine the dispersion of an array. Like I have an array what have 1000 elements. I need to know the dispersion of the numbers. I checked but I didnt find any instruction for this. Im using RS Logix 5000. Can someone pls help me out ?  Thanks in advance.
  8. Hi all. How to replace an Ethernet ip communications module(1756 en2t) with a new one if the old one stops working. What should be done to configure the new module in rx logix? Should I set the IP address? Or is it plug and play? Thanks in advance.
  9. Hi, All!  I am very new to PLCs and I am currently writing ladder logic for an Allen bradley MLX1200.  I have a number of inputs which i have addressed in the format: I:1.0/1 etc. which should equate to I:Slot.Word/Terminal. I have checked the SLC 500 Instruction Set document which has informed me that this format should be structured correctly however I still receive the error message "ERROR: Address must be specified to the word level!"  Can anyone see where I am going wrong?  For reference Slot 1 is a 4-Channel Thermocouple Input Module (1762-IT4).  Any help would be greatly appreciated.  Thanks C
  10. Team Can anyone help me converting the *.RSS file to PDF format.   R8-41335.RSS
  11. RSLogix 500 Version 3

    I have came across some Allen Bradley SLC processors with no backups running version 3 firmware. Does anyone have software that old or a connection? Rockwell will not support. Any assistance will get appreciated!
  12. I had two esoteric question I was curious if anyone might be able to help with. First, I am playing around with way to monitor the internals of a PLC and I was curious if anyone has any idea on why to pull the internal memory off a ControlLogix 5580. Ideally, I would like to avoid just directly reading the config out and reading individual tags. I prefer to be able to get a little deeper.  Something similar to the crash dump, the RSlogix software can generator or something like the S7dump.exe tool for the S7 PLCs i.e. getting at the actual memory in specific memory addresses. Second, I was curious if anyone knew anyway to grab the actual binary are sent over to the controllogix after the RSLogix 5000 processes a configuration file. In this case I am looking for something similar to the binary files in codesys not the project file. This might be an assumption. Maybe RSLogix doesn’t ever produce anything like that but I figured I would ask
  13. I'm attempting to make a backup of a program, complete with comments. I go connect to the PLC over Ethernet, and select Use Upload File to merge the comments from an original copy of the program. After that, I go file-saveas to backup the program. However the new saved file, complete with comments is only 134 KB, and the very original copy of the program is 230 KB, from 2003. Is there a reason for this, the program hasn't shrunk in size, only minor tweaking of some span calibration numbers.
  14. We have two computers and a plc that we use for training purposes to teach new techs the basics of going online with a plc and simple troubleshooting techniques. For some reason a couple classes ago we started getting an error from one of the pc's when we would try and download a program to our teaching plc. The exact same .ACD file can be downloaded to the plc with no issues from pc-1 but from pc-2 it gives the error attached below. I tried uninstalling all Rockwell related software from pc-2 and reinstalling but this didn't solve anything. Once I download using pc-1, pc-2 is able to go online with the plc and make edits no problem; it is just the downloading of the .ACD file it cannot seem to do. Processor: 1756-L55 ControlLogix5555 Firmware Version: 16.21 pc-1 OS: Windows 7 pc-2 OS: Windows 7 I'll be happy to include any extra details if needed but my team and I are just at a loss. Just short of formatting pc-2 we have no idea what could be causing this.
  15. Hello everyone, Working in Automation for the first time as a Co-op student so i'm fairly new to PLC's and the Automation field in general. I've recently been tasked with converting a RSlogix 5 program from an old PLC 5 project into a Studio5000 project. I referenced the manual (I'll attach link below), and had no issues using the RSlogix Project Migrator tool that I downloaded off the Rockwell website. My problem is that once I convert the program, my I/O tags that were originally sequenced in octets(0-7, 10-17, 20-27, ...) from the RSlogix 5 program, are switched into a sequential scheme in Studio5000 that just increments them in order (1, 2, 3, 4, ...). I hope this make sense, but basically the first seven tags match between the projects, but then I:010 in rslogix 5 is equivalent to I[8] in 5000, I:011 is I[9], and so on and so forth. Has anyone had this issue before and found a way to have Studio5000 keep the original octet scheme? I don't see this normally being an issue, but the customer has specifically asked that the I/O tag names be kept the same as the original program. Thanks for any help. - Ben   Converting PLC-5 reference manual link:
  16. To Whoever might read this: I am currently a journeymen electrician in CA with 12 years experience in the installation, Maintenance and design of commercial electrical systems. I have limited Industrial experience, but I know enough to get myself around without blowing myself up or the customer and their infrastructure. Recently, I have taken a few online courses on PLC programming using RSLogix Micro Lite. I realize this is very entry level stuff, but I thoroughly enjoy the process of forming ladder logic and problem solving and I believe my experience in electrical theory and installation has helped me understand the natural flow of this logic. My interest in this field goes back 10 years or so and I am just now getting around to learning the languages and logic behind the PLC's that I have built entire electrical infrastructures around. With that said, as a full time service electrician who just landed a job in the wastewater electrician/mechanic field, I am seeking opportunities to learn and grow in some form of internship or unpaid position as long as the workload is either remotely operable, or somewhere based out of the greater Sacramento, CA area.   I do not want to sound picky, but I am a young father with a full time career, newly married and a busy full time job schedule to keep up with. SO, I am definitely interested in any opportunity that will give me experience to add to my abilities as a programmer for future ventures. Thank you for your consideration!   MtHowe15 P.S. I am also TOTALLY up for any hints and tips as to what a good next step would be towards gaining experience!
  17. RSLogix 5000 Code Generation using C#

    I put together a demo of the c# library I am working on for Rockwell PLC. It basically allows you to parse/construct the L5X files for code generation, documentation, and other uses.
  18. RFID + Proface

    Hi Guys! Is there anybody worked already with Proface panel and RFID reader ? Can anybody help me with that ? Even it is possible to use RFID reader on a Proface touch panel ?  The software what I use is RSlogix 5000 and of course, GP-PRO for the proface panel. Thank you so much for your answers.
  19. pid tuning

    Hi there! I have a problem with a process. The bottom line is I have a quite big asynchronous motor (about 110kw), with this motor I would like to fill a pool. There is a sensor that monitors the level. Im setting the PID for the motor control, it seems to be good, but unfortunately the fultuation is very big, however the level is perfect. I send a 4-20 mA signal to the inverter. Actually, it is almost everytime changing. I think it is not good for the motor. the changing scale is between 100 and 600 rpm ... What do you guys think ? Can this cause early motor or inverter failure? I had a thought, I did that I was doing an average and sent the current process data every 3 seconds. It causes that, the motor rpm 100 or 600 rpm.. nothing else, and change it about every 3 or 6 seconds,  because of te too much error I think.  How can I solve the this problem. The material runs out evenly from the pool, but the control variable is still bouncing. I monitored the process variable and the control variable too and the error too. I noticed that the output only changes when it is very close to the setpoint. for example the setpoint is 5000. And if the process variable is 4950 then the output is 100%. and if the process variable is 4992 then the output is about 67% but, the if the process data is 5010 then the output is 0%.   I'd expect that, for example that if the process variable is 2000 then the output is will be 100%. but the process data is 4000 then the output will be 50 % ... and so on.... so I hope I can find a permanent output value.  I dont know, maybe I made some mistake.... pls help me in this situation. Thank you.        
  20. FFL problem

    Hi Guys! I have a problem.  I have a leaser sensor, I already set the sampling frequency to 0,1 s. So 1 second I will get 10 data. I need to use the average of the datas. My problem is I dont know how can I solve that, after the 10. data every new data I have to  recount, the last 10 data's average. I think maybe I have to use the FFL instrucion or something like that. I need to solve this problem in ladder diagram. I use RS-logix 5000 software. Anyone can help me?  Unfortunatelly I havent the the software, so I cant show you what am I think.    Maybe the sliding window solution is the right, or is it not related to this? Im a bit confused.
  21. Hi guys, any related website were i can download RSLogix English 500, i need to work on my AB 1400
  22. RSlogix 5000 service edition

    We just downloaded and are using RSlogix 5000 service edition on one of our lines. This is a software that allows you to see the PLC program, but not make changes. It is great for our Maintenance guys, but one of my managers is worried that they will change what IP they are looking at and end up setting someone else up for failure later on. Is there a way to lock RSlogix on a PC to a specific PLC IP so there is no chance of them looking at Machine A's programming from machine B?
  23. Hi guys, Im using RS-logix 500 Pro for configure plc AB Micrologix 1400 1766-L32B. I would like to seek some help for enabling data logging feature for this device. Im not even know how to start it. I really need some help here. Thank you.
  24. Hi my problem may have a simple solution but i cant work it out. I need to use the Divide function but it wont let me use a decimal point in either Source A or Source B. Is there a way to use a decimal point in Logix 500 Math instructions? Im using an AB Micrologix 1400 PLC. Can you only use math instructions with whole numbers? is there a way around this? Thanks James
  25. Hi my problem may have a simple solution but i cant work it out. I need to use the Divide function but it wont let me use a decimal point in either Source A or Source B. Is there a way to use a decimal point in Logix 500 Math instructions? Im using an AB Micrologix 1400 PLC. Can you only use math instructions with whole numbers? is there a way around this? Thanks James