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  1. I have camera Keyence connected via ethernet to the S7-1200. In the cameras can be set about 30 "tools". Each "tool" perform a different function in the image. In what way in the program code on S7-1200 I can read eg Tool number 10? For example, if tool 10 is the correct I want to to value 1 on some tag for eg camera_tool1. Thank you in advance for any help. Regards Mikołaj
  2. Automation professionals, I would like to read the display values of a red lion DP700 in a control logix PLC. I was able to successfully integrate both devices through EtherNet / IP and I am geting the corresponding values in a DINT register in the PLC. But the problem is that the value in the PLC register is not in the same format as in the DP700 display. The display reads the length of a product in inches like 288.484 etc. Where as the value in the register is a 10 digit number like 1133526516. For sure, there is a definite correlation between these two values but I am not able to figure out the exact relationship as a function of a formula. I have given below 25 data pairs for your analysis. I tried to find out the scaling factor (slope and offset). The scaling that I found fit the first 10 records but did not fit the remaining 15 records Can you help me to find out the relationship between the ? # DP700 PLC register 1 288484 1133526516 2 288627 1133531202 3 288631 1133531333 4 288739 1133534872 5 288741 1133534937 6 288742 1133534970 7 288746 1133535101 8 288757 1133535461 9 288776 1133536084 10 288796 1133536739 11 241060 1131482972 12 241043 1131481858 13 241027 1131480809 14 241032 1131481137 15 241055 1131482644 16 241038 1131481530 17 241078 1131484152 18 241025 1131480678 19 241030 1131481006 20 241037 1131481465 21 241040 1131481661 22 241023 1131480547 23 241053 1131482513 24 241041 1131481727 25 241077 1131484086
  3. Hello everyone, I need to modify furnace ladder diagram to take control of the upper PID limit. The temperature on the furnace is controlled using PID. There is master PLC CJ1GCPU45SP which communicates several slaves CJ1MCPU13. It looks that all the PID parameters are send from the master to slaves over DeviceNet using seven DRM21 modules installed on extension rack. I can see where the values for the PID are entered on the HMI and moved to new location in the master but I don't understand why they are not placed in memory locations used by DeviceNet by default as per DRM-21 manual ( which if I understand correctly are D30000 to D31599). Is it because the DRM21 are mounted on extension rack? I will list all the upper limit locations in master, it is a long list but hopefully will help in resolving this issue: HMI entry location Moved to location in the ladder D16401 __________________ D32023 D16403 __________________ D32047 D16405 __________________ D32071 D16407 __________________ D32095 D16409 __________________ D32323 D16411 __________________ D32347 D16413 __________________ D32371 D16415 __________________ D32395 D16417 __________________ D32623 D16419 __________________ D32647 D16421 __________________ D32671 D16423 __________________ D32695 D16425 __________________ D29923 D16427 __________________ D29947 D16428 __________________ D31723 D16429 __________________ D31756 D16430 __________________ D31757 D16431 __________________ D31758 After they are moved to the D3xxxx location they are not used anymore anywhere in the master PLC so I am assuming they are transmitted over to be used in slaves. Is my reasoning correct? How can I calculate address space used by each DRM-21 card to make sure I am understanding what is transferred where? Thank you.
  4. Dear Messrs., I need information to reverse engineer a GML diagram from the uploaded script. 1)Documentation for GML script language (iCODE ) Thanks,

  5. FF Communication - Voltage drop

    joshi171 posted a topic in Siemens

    Hello everyone, I am working on foundation fieldbus protocol with PCS7. I am facing problem of voltage drop in successive AFDiS (Active Field Distributor). As part of the DCS hardware I am using CP443-5 EXT.-->FF Link (Redundant)-->FDC157-->AFDiS1-->AFDis2-->AFDiS3. The architecture is daisy chain not the loop. I have checked the current consumption using fieldbus calculator. But everything is fine as per calculation. Even I had tried connecting the AFDiS one by one and also with no load condition. I didn't find solution to this problem. I am attaching hereby the sheet of values which I obtained after connecting trunk and spur stepwise and measure voltage at each point. However when I am using AFD in combination with AFD, the amount of voltage drop is not that much significant. Please advise a possible solution. Thanks in Advance, Gaurav J

  6. Hi from new PCS7 user...

    Leem2209 posted a topic in Siemens

    Hey all. Just wanted to introduce myself, I'm mark and I'm employed as a process engineer in a plant in UK. I've been there 8 years now and achieved the process position through dedication and willingness to learn. Although my previous employment was as an aircraft electrical technician so I don't have the soundest PLC knowledge. Unfortunately, my more knowledgable colleagues have a tendency to enjoy keeping secrets and so I find myself thrust into this position with little guidance. So I'm going it alone! I'm trying to learn as much as I can myself. And decided this would be a place that I reach out for help as and when I need it. I've been able to monitor and use the software logic as a tool for fault finding and have implemented some modifications and new projects into the software we have on site. I've also done an intermediate course a few years ago on S7 so I am fairly capable with it. I lack knowledge on WinCC, and I am scraping my way round that when the need arises. We also don't have any test rigs available to play about on. Which I find a little frustrating. I welcome any advice people may have for me at this moment in time. I'm looking into doing some courses, a simple little course I found offers an NVQ L3 qualification for relatively little work and cost. But it's based on fundamentals of PLCs such as selecting the right PLC for a process, the limitations of PLCs, decimal to binary to hexadecimal conversions (I'm ok with that bit) and various other "fundamentals" of PLCs. I've kinda skipped this bit in training and not sure of the requirements for the course. If anyone has any advice on that, places to look, etc, then I'd appreciate it. Also any other recommended courses and reading. Cheers.... mark
  7. Hello all, I'm new to this forum, hope I will be able to get some answers on this forum. I'm wotking on maintanance for machines under productiona and I would like to conect one machine to my work PC. But when I try to setup conection with RSLinx, RSLinx don't see my PLC. Problem is that my PC is on network with IP addresses 192.168.8.XXX and machine is on 192.168.0.1 IP address and between is cisco RV180 routher which is set to have LAN address 192.168.8.168 (company network), and WAN is set as 192.168.0.200 (subnet 255.255.255.0, gateway 192.168.0.201, dns 192.168.0.202). When I conect directly 1756 ENBT/A card to my laptop (laptop is set to same range of IP addresses) I can see PLC and everything is working but this way is not practical for me. Is there any way to conect my office PC to PLC, some settings in RSLinx Clasic? Any idea would be helpful. I attached simplified network drawing for easyer understanding. network.pdf Thank you for your time and help, best regards, baric1007
  8. Hello, I have an annoying problem with communication between Siemens S7 PLC and HMI panel. Here it how it looks like: I am using Siemens S7-315 with 343 Lean ethernet port. This port is used to communication with HMI terminal. Communication is realized through S7-TCP communication protocol. When I was testing the communication in the office everything worked fine and nothing wrong happened. The problem occururs only on the installation. After turning the PLC and HMI on everyting works fine, data is transferred correctly and variables are displyed on HMI. After a few hours the communication is suddenly lost. This is a direct connection between PLC and HMI and there are no other devices in this network. So it is not possible that suddenly there is an address confilct. I made a wireshark analysis (I connected a notebook and hub into the network) and I found out that when the communication is lost HMI terminal is trying to get data from the PLC but it is not responding. It looks like PLC ethernet port is broken. You cannot ping PLC from notebook and HMI. On the other hand you can exchange pings between HMI and notebook. The communication is back again only if you'll restart the PLC. The strangest thing is that I did not have any problem with the communication when I was testing it in the office. The configuration and project of PLC and HMI is excactly the same. The only difference is that on the installation PLC is realizing also a communication throguh Profibus and MPI. I've tried to use different ethernet cables (crossed, non-crossed) but in all cases the situation is the same. Do you know waht can be the cause of such behavoiur? Maybe someone had a similar situaion? In the attachment I send a screenshot from Wireshark which shows the moment when the communication breaks.
  9. Currently we have a remote I/O module to connect with our PLC, yet it's not showing up whenever we try to connect it via inside RS logix 5000.
  10. Dear all, I have implemented PID temperature control for mini heating tank system using Siemens S7-313-c2-DP PLC. Now, I want to plot the values of the "process value (temperature) " and "Setpoint" as a function of time in wincc flexible runtime. I am using wincc flexible 2008 advance SP3. However, the problem is that I have tried plotting the value of "process value" as a function of time using trendview, But the change in the value is not smooth i.e. it is in step manner. Besides, the value of temperature progresses towards the left side of the graph, but I want it in the right side. And also I would like to plot two values against time in one graph in smooth transition so that I can make the comparison and I want the plotting only on the right side of graph. So, how to do all these things? Since, I am a newbie to WinCC, I would appreciate your help. Thank you. Regards, Ankur Gajjar

  11. SIMATIC S7-1200 + HMI +network

    Fenrir posted a topic in Siemens

    I have a Simatic S7-1200 and i have a couple of questions :) I have three analog sensor giving information to the plc. software = Simatic step 7 basic V11 my questions: - can i connect the plc via a cable to a rooter to access the network to use a printer ? -can i connect a SIMATIC HMI KTP400 BASIC COLOR PN via a cable to a rooter to use with the plc via the network? - can i generate a document in the software , add my sensor data and print the document using all of the above ? thanks for all the help :)
  12. Is possible to comunicate an Eaton/Cutler Hammer INCOM/IMPACC network with a Modbus network ? Any experience ? Many thanks in advance.
  13. Hello All, I want to read data from a Control Logix PLC, into a PLC5/60, using Ethernet and a MSG instruction in the PLC5. When verifying the MSG instruction in the PLC5, I get an error message. "Target Address in invalid". Once I figure out how to do this I need to replicate it in another PLC5. Scope is to read the status of 4 paint pumps controlled by the CLX. If any of the 4 stop, the PLC5 needs to know, because it is controlling the paint application equipment. Source data resides in a Control Logix 1756-L63. The tag is INT type, 4 elements long, and the name is PUMP_STS_B2. The IP address of the CLX is 4.2.6.230. There are 2 ENBT cards, one in slot 1, and the other in slot 3. 4.2.6.230 is slot 3. PLC2,5 / SLC Mapping has been created in the CLX. File=421 Name PUMP_STS_B1 and File=422 Name Pump_STS_B2. The file mappings represent a binary file created in each of the PLC5's B421:0~4 in Booth 1, and B422:0~4 in Booth 2. The PLC5/60 is Enhanced series E model using the Ethernet side card. The IP address of the PLC5 is 3.26.5.61. I also created MG file types in each of the PLC5/60. MG420:0~19 in each processor. This was necessary to use the MSG instruction in the PLC5. I have searched the forums for examples of how to do this with no solid results. I am trying to follow the best practices of reading the data into my PLC so anyone who follows can tell where it is coming from. While the IP addresses are not closely related they should be able to communicate. I say this because all of our PC's are on the 4.2.6.XXX network on a 255.255.252.0 sub net and we have no issue communicating with the 3.26.5.61 IP address. Any help and advice would be greatly appreciated. Regards, Mike Carter
  14. Hi there, I have trouble understanding the "mechanics" of STL programming language for Siemens S7-300 PLC. For instance I have a code which looks like this (taken from the Siemens manual for extended pulse timer): With regards to the first line, AND operator checks whether the state of I 2.0 is '1'. According to the "Bit Logic Instructions" manual, it also ANDs the test result with RLO. Now the question is - what RLO is it if there are no operations beforehand? What memory area does it use for that particular RLO? Moreover, what is the Boolean bit logic string in this case? I presume it is all the lines up to the '=' sign. The confusion is also caused by instructions (FR, L, T) which are not logical operations or RLO, although there is associated memory bit with them. I'd be grateful if you could clarify this matter? Many thanks!

  15. cx simulator

    RDA posted a topic in Other Omron Software

    hello navigators anyone has ever tried with cx simulator to simulate the network with eternet query from another external PC turns to where cx simulator?

  16. Daily logging of flow in WinCC

    Cyanogen281 posted a topic in Siemens

    Hello, I am working on a Siemens S7-300 PLC with a WinCC HMI and I am looking to perform logging of certain values every 12 or 24 hours. Basically I have a Flow meter that constantly has flow through it. Right now I have the PLC set up to record the current value of the flow, as well as a totalizer to indicate how much flow has gone through the valve. (until an operator chooses to reset it) I need to create some sort of logic or utilize something in WinCC to calculate the flow through the valve only for that day. After that day, the value will be either deleted or replaced with a new value the next day... If anyone has any tips or advice it would be greatly appreciated. Thank you,
  17. I'm having a bit of difficulty with the MSG function on a logix5000. I'm simply trying to get a REAL value ("BH5_Flow") out of another logix5000 and assign it to a tag in the PLC. I've created a MSG function and created a new tag "BH_5_Flow_MSG" for the message, and created "BH5_Flow_M" for the value that will come from the MSG function. When I click the "..." button to bring up the config, I put the following in: Message Type: CIP Data Table ReadSource Element: BH5_FLOWNumber Of Elements: 1Destination Element: BH5_FLOW_MIn the PATH tab, i then put the following in: Path: LocalENB, 2, [iP ADDRESS OF SOURCE MACHINE]When I test the edits, I then get the ERR bit activate with error 16#0004 when the message rung runs. Anyone got any ideas where Im going wrong? I've practically copied another MSG instruction from further up the ladder but it doesn't seem to work

  18. How to read digital input signal

    bonnyng posted a topic in Siemens

    Hello everyone, I am a freshman, studying about PLC. I work with S7-400 system. Please help me how to read digital input signal directly from humidity sensor using PLC. Thank you so much. Best regard!
  19. Hi, we have a system that has multiple cabinets using guardlogix point I/O. For some reason that I cannot explain as of yet we sometimes loose ownership on one of the cards and have to reset it. Has anyone experienced this before and if so what was the cause and solution?
  20. can anyone please provide me how to communicate between keithley controller 2182A(nano voltmeter) and any siemens plc.aslo the programme & instruction & parameters..ASAP using RS-232 interface?
  21. I need to change the IP address of an existing PLC. Only access I have is remote (VPN). Is there any issue with downloading the same program - with the IP address changed - to the existing processor? Then change the local network range to match, etc...

  22. Lenze drive fault on proface

    robborsc posted a topic in Siemens

    Hi I am having a problem with an error/fault code. The fault comes from a lenze drive as an integer. We have a proface HMI monitoring a DBW in the siemens S7 300 that holds the lenze fault code. The PLC comes up with a generic code "lenze drive fault". The proface comes up with the drive code. I would like the PLC to produce a fault description using the lenze fault code in the DBW, instead of the generic one [listed above]. could anyone please help with this problem Thanks Robbo