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  1. Hello,  I have two pressure transmitters connected to a tank. One at the top and one at the bottom. How can I calculate the level of the tank ? I know the height and Specific gravity of the materials.    Thank You  Pratik Jain
  2. We have machine that is running on Siemens S7 PLC and we have mostly Rockwell Automation/Allen Bradley hardware in the facility. I am working on getting a 1783 NATR to talk to the Siemens PLC. I am able to reach the private interface of the PLC from the private port on the NATR. However when I test the public port I am not able to communicate with the PLC. I have done some digging and allowed the below ports.I have tried setting port 102 to TCP and UPD only and no luck. I have done some digging and I am hearing it is possible to get the two devices talking to each other but I am hitting a roadblock.Anyone have any thoughts?
  3. What is it called when there is a tag inside the tag? Can someone shoot a link to a video that can explain this also? System.Message_Enable is a BOOL System.Message_Index is an INT
  4. Hello, I am creating a system where I need to implement a PDF report creator (basic information like “15” tags and at most an image). We may be using an Optix/PanelView or the FactoryTalk HMI.  What is the best approach to this? Would a PLC be capable of this? If so, would it need a specific slice? If not, could I do this through the HMI or would I need to create a script that runs in the background on the PC?
  5. Hello, today I had a fault on a PLC, luckily, I was able to clear it and we could start production back up, however now I'm worried it may happen again and shut us back down.  I am fairly new to PLCs and have only been working with them for a little over a month.  I took a picture of the fault before I cleared it(see below). What would be the cause of the fault below and should I be worried about it reoccurring?  Thanks
  6. Envision a future where PLC management and development is simple, secure, and efficient, so that factories can increase uptime, reduce mean time to recover, and maximize the productivity of their assets. Software Defined Automation transforms the way engineers interact with and maintain their automation systems. Automated Backup, Simple and Secure Version Control, and more...if anyone is interested in trying it out for free, you can sign up here: Free Trial - or schedule time to discuss if this may be something for you: 30 mins with Jay from SDA - Cheers! Jason Silva - Software Defined Automation - jason.silva@softwaredefinedautomation.io - +1 617-869-4818    
  7. Hi, I connected 5069-L306ER compactLogix 5380 controller and ethernet based product. using studio 5000 software to test the communication and data transmission. Our Ethernet based product have an EDS file without any error and works well when I use for Codesys prooject. i'm trying to test our product using allen bradley PLC and the same EDS file. some of the exclesive owner connections are missing. but input only connection having full set of connection parameters. why does this happened?  exclusive owner connection : 1 x 3phase, 6x 3phase, 9x3phase, 10x3phase and 16x3phase are missing from the list. but input only full set from 1 to 16 is showing.    NOTE: there is no error occured when I test this same EDS file with codesys and no errors found in Ez-EDS tool as well.  
  8. 1734-OE4C

    What Does High Limit clamps and Low Limit Clamps means in Rockwell Analog Out Module. I understand What High Engineering and Low Engineering value (8191 as High and 1638 as Low) What Does clamp Limits Do? Generates Alarms? Can any one please explain me in Detail that would be very helpful and also If I can get a link to documentation if anyone knows that would be Grateful.   Thank You
  9. Hello, I am new to this forum. I have been finding great information here and elsewhere, but so far not exactly what I am looking for. Has anyone used a Micrologix PLC to read messages from a large number of other micrologix PLCs? I have used this instruction successfully with serial and Ethernet communication but only with up to 4 or 5 other controllers.  One constraint I have already run into is the max size for data words in this processor of 10k. I was able to reduce the number of words I was reading and at this point am using about 2k for the interger files to be populated. There are 24 integer files with 80 elements each. The other issue is with the amount of data each RI file uses of 24 elements.  The idea in this application - which is a water utility - is to have all data exist at all sites. I was originally going to use the Maple Systems CMT3261Xv2 HMI which is installed at each, to poll all the sites, but I don't have a high degree of confidence in its ability to do this based on bench testing I have done. I will keep working with Maple tech support to figure that out. But I also need some of the data traded between PLCs for other reasons, so having all the data in the PLC registers is a bette solution if I can make it work.  Since each PLC needs to have data from each of the other PLCs, having a master read and write to all the sites would overwhelm the processor in terms of data used (24sites x 24 MSG instructions per site x 24 words per MSG instruction = 14k words). Also, I don't want to write all that code, since with the ML1400 I don't believe there is a way to use indexing on the MSG instruction. (I could use a Compactlogix as the Master, but presently don't have that in the budget. Also, by using another ML1400, if the master PLC goes down for some reason, any other PLC could become the master.  So my solution is to have the master read the 80 words from all 24 slaves into each apointed integer file and then have each "slave" read data from the master for each of those integer files. That will use 80x24 words for the integer files and 24x24 words for the MSG instructions for a total of 3k words used. The rest of the application uses little data at each site. But by having each slave read 24 data files from the master, I can just copy and paste the routine into each slave. I have already created a template for these sites, so I would just need to include the proper messaging routine.  I have 10 ML1400 PLCs for bench testing, but I am worried that having all 24 in action might create problems I am not forseeing. For example, is it possible that having 24 processors read from one processor in an unregulated manner would cause data collisions? I know it is Ethernet and that is less of an issue, but I just don't know. I also don't know how I would regulate it. In the past I've used timers, but I don't want to slow things down since there are so many messages.  I also don't know the best logic to use for the messaging. In the past, I have used cascading logic in serial communication where after one message is done or errors it triggers the next message and the last message triggers the first. Then I had a watchdog timer to restart the routine if it got hung up for some reason. I have seen many examples where one rung has the MSG instruction and the next rung has an unlatch instruction triggered by DN or ER from the MSG instruction. Presumably when the first 4 buffers fill all the rest would be put in the que, but again, I am not sure what unexpeted consequences would occur with that many messages. I don't know what is the best practice. I have yet to find examples of this online or with Rockwell.  The physical layer is high-speed internet using a dedicated LAN for the application. We are using fiber for about half the connections and Cambium gigabit radios or 900mHz radios for the others where the lowest throughput is probably 1mbs, but most connections are over 100mbs. The plan is to be able to monitor and program each PLC and HMI remotely once the system is operational.  Thank you in advance for your consideration and expertise.   
  10. Hello everyone, now we are using Kinetix 6000 Multi-axis Servo Drives and TPM 025S – 031V – 6PB1 – 094C – W5 servo motor from Wittenstein, the main function of the servo motor is to elevate the welding module up and down. Several months ago, the servo suddenly increased the torque by 50% compared to normal state, which caused UPS several times in a shift. we went down to the machine and found out the locating pin was worn out and misaligned with the main transport plate. We replaced it and the torque went back to normal due to the welding module was aligned with the main transport plate. The E64 fault started to appear after this problem and still on till now. We did something that we thought can solve the problem: - Upgrade the PLC Logix L73 to L83 but it's not compatible with system so we keep using L73 - Replace the servo drive to the new one - Replace all the cables, check the connection if it was right or not - Check grounding, it was normal - Check the physical components connected to the servo, everything was ok - Measure vibration of servo motor & magnetic field - Replace the servo motor with the new one - Check looking assembly and alignment - Invite Rockwell and Servo expert to the site All the things we do but E64 keep showing so we bypass the E64 by changed feedback noise to status only and the system continue to work. Has anyone experience this before and can you share what you do to solve this. We want to eliminate the E64 completely so the feedback is true and we can we know the true root cause when it send signals, thank you everyone.
  11. Hello,  I have a PIDE Instruction to control a control valve. The CV minimum is 6% and Max is 100% But when ever the SP is not reached and it has to lower the CV it goes to zero rather than maintaining minimum of 6%. 
  12. I am a newbie when it comes to Ethernet/IP communication and Allen Bradley PLC setup. I have written a program in PLC to communicate with my device over Ethernet/IP communication. Communication is work fine for 1-2 hours, but later class 3 communication stops.  I captured wireshark log to debug the error. But on wireshark, I see the communication between IP address of PLC and PC port only. There is no device IP captured in wireshark.  My first question is - Is there any setting in PLC and wiresahrk to capture class 3 packets? Also, in wireshark, I see error packets "Embedded service error" when I connect two devices in line topology. When checked on Studio5000, Module shows ring fault status.  I am not sure why it took as ring topology, while my device is connected in line topology. I am not able to change it from ring to any other topology.  Can someone guide me here, how can I remove this ring fault? and what does this "Embedded service error" means? Thanks in advance!!!  
  13. HMI+PLC w/o native tags

    Hey guys, I'm trying to get a Mitsubishi HMI (GOT2000) and an Allen Bradley PLC (micrologix 1500) to talk to each other. I want to be able to change the PRE. on the timers inside the program. However, GT Designer only takes AB native tags from ControlLogix and CompactLogix. Is there a way to do this by just using bit addresses? Or is there another way to go about this? Any help is greatly appreciated  !!!
  14. Hi there! I've been looking for some fault codes table for the 1734-AENTR adapters, since I'd like to show a message in HMI with some information when there is a faulty adapter, but I haven't found anything on the internet. So my question is, is there any type of table like this for these adapters? Right now I have a PLC with some AENTR adapters in the program for testing, and since there is actually no adapter connected to it, I can see a 16#2024 error in the module properties, but can't seem to find that info in the module variables.   Do you guys have any clue on how to find this information in order to show it?   Thanks in advance!
  15. I need to Migrate 10 micro logics 1100/1400s. They are all in the same room but in different cabinets. Changing any wiring would be expensive and not an option. They all have small projects and have between 0 and 30 I/O each. The processes are critical and can not shut down or be unreliable in any way. Option one: Micro 800s and CCW.   I realize this is the straight forward answer but my customer hates CCW and may refuse this. Option two: Install one nice modern controller to replace all of them and use remote I/O. This is my first instinct but I am worried about these critical processes now depending on Ethernet networking to function, I doubt the customer wants to pay for network upgrades. Option three: Multiple compact logics i.e. L306s To me this is nice, but overkill and expensive.   Any better option?   Open to opinions     
  16. Hey everyone, I'm new to programming PLCs and I've run into a problem. I have a Micrologix 1400 Series B PLC, and for the past month, I've been using a free trial of RSLogix 500 Starter. But now, the trial ran out, and so I bought a license for "RSLogix Micro Starter". The problem is that when I downloaded my updated file to the PLC for the first time with micro starter, the PLC's outputs don't work anymore. I checked the PLC screen and the inputs from the HMI screen are getting recognized, but the inputs from the physical sensors are not. Also, none of the outputs are being activated on the PLC at all, which I can tell by looking at the I/O status on the PLC screen itself. I then uploaded a new test program, where you press a button and a light turns on, but that doesn't work either. I haven't changed any of the physical wiring, only thing I've changed is that I'm using RSLogix Micro Starter as opposed to RSLogix 500 Starter. I spoke to a Rockwell technician about this and he said that there shouldn't be any problem, as I haven't done anything wrong. So I now ask everyone on this forum if they could help me out a bit.
  17. I have an Allen Bradley 5069-L306ER CompactLogix 5380 Controller that I cannot connect to. I tried pinging the controller and I did not get a single reply. I went on RSLinx Classic and I can find it there. My coworks have no issues connecting to it. They use the same cables and adapters that I use.  What am I doing wrong. I can go to different PLCs in our plants and I have no issues connecting to them.
  18. Hello! First time poster!I am trying to access a PDF file on the removeable SD on the back of the panelview (Storage Card2) and get an error using ActiveX Controls;"There was an error opening this document. Sharing Violation!"The HMI is a  2711P-RDT15C I have called Rockwell support, as well as used various articles from the RA DB and still nothing. Things I have tried: - Reading from various storage cards and USB devices - Reading from my documents - Various syntaxes:       "\Storage Card2\M1.pdf"       "Storage Card2\M1.pdf"       "Storage Card2/M1.pdf"       Many others as well w changes in slashes, spaces, etc - Power cycling between failed reads FoxItReader CAN open. The file CAN also be selected and opened by browsing the OS on the PV - both on the storage card and when moved into my documents. The current parameters for the ActiveX program launcher are: Program location: "foxitreader.exe" Program Parameters: "Storage Card2\M1.pdf" If anybody has any insight into this issue it would be greatly appreciated.
  19. Hi everyone! I am attempting to read EIP tags from an Allen-Bradley ControlLogix from an Omron NX1P2 using the Sysmac Studio function block "CIPUCMMRead." I have been successful in reading arrays and single variables no problem. However, when I want to read arrays from a structure in the Allen-Bradley PLC, I always get an error code in the CIPUCMMRead ErrorID of either 0400 or 1C00 for ErrorID and ErrorIDEx is FF00 2105 depending on what I enter in for Size on the function block (attaching screenshots with both error codes).   The errors show on multiple "read" function blocks at once but it only affects data coming out of the function block where I try to read in a BOOL array from a structure in the ControlLogix PLC. If I enter a UINT#1 for the Size, I get ErrorID 0400. If I enter UINT#2, 3, or 4, I get ErrorID 1C00 with ErrorIDEx being FF00 2105. I've been digging for a while and can't find that specific combo of codes, but it looks like it's a size issue. From what I can tell, the Size is in Bytes. So if I have 32 Bools it should be a Size of UINT#4 max, right? Any help would be greatly appreciated! The function block having issues is setup the exact same as the other two that read from the same structure; I even copied and pasted them from each other and just changed the FB name and the postfix in the SrcDat string (from MyBools to MyDints/MyReals). Here are the screenshot: 1. Allen-Bradley Structure 2. CIPUCMMRead Function Block with size 4 3. CIPUCMMRead Function Block with size 1
  20. Hi there! I have an Allen-Bradley SCL05/04 PLC. It has an RS-232 port, a 3 DH+ connector and a circular port with programming pins. An NB-Omron HMI is connected to the RS-232 port. And of course I can only have the screen connected. Is there any possibility to connect through the PLC programming port to be able to follow the program online?   Here is atached photos of the PLC: https://imgur.com/a/PEPI4Wl      
  21.   Replacing dead powerflex 700 with 753 talking via ethernet. Any good instructions on how to update the file from 700 to 753 on rslogix 5000?                                    
  22. I'm trying to exchange some data between two controllers. I've used a manual which describes Tag Datalink communication. Everything works fine on the Bradley side, which means I can read values from Omron without problems. However, on the CJ it isn't working. In the Network Configurator I get error every 10 sec (Tag data ling error, code 03D5) and cannot read any data from AB. When I open Connection Structure Tree I see that the input tagset from AB has 'Broken path (0000000000000)' and Unknown Device right next to IP address. I've tried using EDS from the Rockwell as well as uploading it from AB PLC directly - I don't know if it might be EDS issue. The only thing I noticed that inside CJ2M-EIP21 EDS it says that Ethernet/IP is Class 1 connection, however in the 1769-L35E EDS Ethernet/IP is Class 2 connection. Have anyone ever had such a problem?
  23. Been seeing a high failure rate on these PLC's on 2 of our processes. The control power is feed through a APC UPS to a 24VDC power supply to power the unit. Getting a hard fault where the OK LED comes on red and stays red. It never sequences through all the LED on power up. Tried the hard boot by holding in the reset button and applying power. Has anyone on else seen a high failure rate on this model PLC? TIA..
  24. Hello, I am experiance a problem with a consumer tag staying stuck on. Producer and Consumer PLC are turned on. Information is getting transfered like it should. The Producer PLC gets powered off and the tag that is getting transfered over is ON before it gets powered down. When I check the tag in the Consumer PLC the consumer tag is still ON. Shouldnt the consumer tag go to the OFF state once the commincation has been lost?
  25. Hi, Does anybody know if its possible to access the "Inhibit Module" tick box within the Hardware Device Connection tab from the PLC code? I'm hoping to turn this on / off depending on whether certain modules of machine are physically installed.  e.g. A Kinetix Drive / Point IO etc. Thanks