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  1. Dear All, I had encounter a problem when i try to open the plc project from Beckhoff CX9020 plc using Twincat 2. There error show that the File'source.dat' could not be read. I had connected the plc from system manager and i able to load the configuration of plc but not the program.  I do also tried to file the program file from the flash card but i cant find any .pro file. Is that any possible to read the program or source code inside?  Thanks.  
  2. Weird Timer Behaviour

    Hello, I've been using a Beckhoff PLC and TwinCAT3 lately and I'm learning how it all works. Currently I'm using a ton timer in my program and I've noticed some weird behaviour. The timer.IN is set to true and afterwards I check for timer.Q in an IF statement. That statement should therefore only be true after the timer.PT delay value. However, the first time after I activate the configuration and timer.IN is set to true, timer.Q is immediately set to true for a very short amount of time. When I reset all values and try again without reactivating the configuration, this doesn't happen. I'm thinking that I don't initialse the timer in the correct way or something along those line. I have attached a code snippet. The problem I'm encountering is that the first time after I have activated the configuration and the tonTimeout.In is true. The following IF statement is also true without having run for the delay time. This sends my program to an error state. However, after resetting the values this doesnt happen anymore. Can anyone help me with this matter?
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  4. Beckhoff PLC + software selection

    Hi, I need to select a Beckhoff system that basically must have PLC with motion capabilities for drives via EtherCAT. The purpose is to test the compatibility of Mitsubishi Electric EtherCAT type drives with Beckhoff PLC. As Beckhoff is a PC based solution and there are many options I'm honestly confused on how to proceed to select a Beckhoff system. Does anyone have experience with selecting Beckhoff PLC that could help with the way to select it? Thanks! Thiago
  5. Dose anyone have experience with Beckhoff FC3121 profibus master PCIe card connected to Siemens CP342-5 as a profibus slave? The data retrieved from S7 PLC is wrong, and keeps fluctuating rapidly. TwinCAT (TC) config looks OK, and it reports that the slave is OK and has no error. The slave is in Run mode with green LEDs. S7 side is believed to be OK as another master from HMS-Anybus retrieved the data correctly. Tried several versions of TC up to the latest (at the moment) ver. 2.11.2305. Here is a zip file with two graph pics of the two masters showing how the "same" data looks like in each case: https://drive.google.com/file/d/1ijlx6AXA3FX8GqgJjwWlFMxPxqT4xN9F/view?usp=sharing Thanks, Hos
  6. Trying connect baumer EAL 580... Ethhercat absolute encoder with Beckhoff C6015. Ethercat connection is From PLC to EL6695 module(This module is connected to KUKA robot for mater to master communication) and from Out port of EL6695 to In port of Baumer Encoder. It is not getting scanned nor manually appended. But when i connect it directly to PLC it works fine(gets scanned). Any solution?
  7. Hi i have Beckhoff (CX5020-0120-M310) (profibus master) with TC3.1 and want communicate with Siemens Profibus ET 200S (IM151) DPV1. All modules works on ET200s except 1SI RS232 (6ES7138-4DF01-0AB0). When i triggered Barcode scaner i have one bit ON on no more data from 1SI module. on Array (0..15) of words 0.#0000000000000000 1.#0000000000000001 <= this bit is ON after trigered pushbutton on scaner 2.#0000000000000000 3.#0000000000000000 ..#0000000000000000 ..#0000000000000000 15#0000000000000000 This Same ET200S with this same configuration i have tested with Siemens S7-300 and it works, i can read data from Barcode scanner on the 0..31 array of byte (no WORD's like on CX5020) Siemens have On Communication => ET200s serial interface => Function block S_RCV i use them and i can communicate with 1SI RS232 via this block. But Twincat 3,1 don't have this block. On ET200s i have: 1. 1SI(rs232) module (rs232 parameter is : Data - 8bit, Stop - 1 bit, Parity - NONE, Data Flow - NONE, Interface type RS232-C ) 2 DO modul 3 RTD modul 4. DI 5. RO modul Any ideas where are problem? why can't read data from 1SI RS232?
  8. Hello All I am new to Mitsibishi servodrive, i am using a Beckhoff PLC TwinCAT3  and MR-J4-TM servo drive from mitsubishi , i connected the servo to the NTwinCAT using etherCAT. I was able to write a program where i was able to activate the servo from the TwinCAT using the mc_Power instruction . My question is , i am not able to run the servo using the mc_movevelocity and mc_moverelative . Do any one have any suggestion to how to go from here .. datei_Mr-J4-TM_TwinCat_EtherCAT.pdf
  9. I’m working on a project in twincat 3 from Beckhoff in which I made a Global variables list, a function block and a visualisation. When I call the FB in the program I made and add some of the Global variables to this FB, I can’t control them in any way. Nor in the visualisation, nor in my program itself. What do I have to do to make these Global variables work? 
  10. Hi,  I'm new to TwinCAT 2 and i'm upgrading a long time design (hence the TwinCAT 2 reference), to read a more sensitive torque signal.  I'm using a Beckhoff CX1030 as my PLC Controller.  I needed to add 'homing' to my motor sequence and confirmed with Maxon, im using the function blocks correctly and in the correct sequence to establish my 'absolute zero'/'home' position.  The motor has an output to write to:  ControlWord, which tells the motor that the position it is sitting in is '0.'  My program compiles, it runs, it writes each function block, but it's not seeming to get back to the test run opMode, even though i tell it to and the function block performs the 'Write' function.  it's stuck at zero and not reading an analog input signal from my torque sensor.  so im getting an artificial torque reading through every test.   i think this is related to my tare motion.  I start the program, home the motor, get into profile velocity mode, tare my sensor, enter profile position mode, go back to position 0, then back to profile velocity mode, run a test, sample data, go back to 'home' or '0.'  I wonder 1st, is my variable not linked properly through the system manager?  2nd, i set a boolean variable to set the 4th bit to 1 in my control word write (setting the 4th bit high will set my current position to absolute zero), but did i not connect the program to the main sequence properly?  looking to read a valid signal again and see that my motor moves back to 'home' each time.  Do i not need to home the motor after the tare, since the tare nulls out the torque value after the tare? after this i need to program my sample period, instead of it being fixed, as it is currently written and then use my home position as my trigger to start sampling.... Beckhoff applications department is overloaded, currently and can't help and this is all beyond the knowledge of the general support line.  I've gotten fairly far, on my own, but of course, the project is under a time crunch.   Does anyone know twincat well enough to help guide me?
  11. BC9000

    Hi all.... I have bc9000 plc and there are 2 problems I face,the first is when the power is off ,the downloaded program does not remain. the second is how to configure internal register with system manager.  
  12. BeckHoff programming

    Hi to everyone, i'm a junior programmer. My boss told me that i have to study a new plc: BeckHoff. I ask you if somewhere there is a guide about this plc, and about ST language used in this plc. I tried to use the help function on TwinCAT 2, but it doesn't explain lot of things. Before that, i used to program with ladder language, so i don't know nothing about ST. I hope in one of your help. 
  13. AnyViz is probably the easiest way to monitor, operate and analyze your PLC remotely, thanks to the cloud from any location. No need of additional hardware or software licenses. More info at www.anyviz.de Functions: Real-time process data visualization with just a few clicks Record and analyze machine data easily Targeted Condition Monitoring Remote control - from anywhere in the world Connecting machines, beyond location boundaries Access with any modern browser and any kind of device like notebook or smartphone Have a look at our YouTube Channel to see AnyViz in action.
  14. Beckhoff Control panel testing?

    I am a technician at a large repair facility and we often have Beckhoff control panel displays come in for repair. I'm having trouble using Twincat to set up the buttons on a CPxx to test the buttons and assignable leds. We have a PC running windows XP with the twincat software, a CP9035 pci card to connect the CP to the pc, i can see the PC's display on the CP and also recognize the CP in twincat, just unsure how to map testable functions to the keys on the CP. Hope this all makes sense. Hopefully there is a Twincat guru out there that knows how to do this. Thank you!!
  15. Help Programming a Beckhoff PLC

    I have a very simple problem that I need help with.  I have some programming experience but I am brand new to PLCs and structured text.  I am using TwinCat 3 to program a Beckhoff CX9020.  My goal is to read the temperature from my thermocouple and open or close a valve based on the temperature.  I have successfully connected the PLC to the TwinCat software and I am able to see the value of the thermocouple increase and decrease when I touch it with my fingers.  I need to link that value to a variable in my code so I can have the valve act on it.  I don't know how to properly address the inputs and outputs.  Thank you!
  16. ingineer

    hello. out there. I need som help. I never user Beckhoff Twincat before. but now I have a smal project on Twincat. after two days to undersatnd the Twincat . I still don't understand how to make configure hardware on twincat. som body can help me please or telle me where I can find the doc. thanks
  17. Hello, I am responsible for implementation of Vijeo Citect 7.4 SCADA in my company. I want to connect to Beckhoff PLCs by using Twincat OPC Server. I can control and observe the variables through OPC Control tool, but when I add the device and variables to my Citect aplication, they are always equal zero. I cannot also force through Citect to change the value. I don't know where the problem lies. If you need additional information, please ask me. I will provide you with all the data I have. Thank you in advance. beckhoff_opc.bmp
  18. Beckhoff BC9000 IO error

    Hello, I urgently need some help.  I have a Beckhoff BC9000 PLC which is controlling the lights etc. in my house.  Suddenly, overnight, the PLC isnot working anymore.  BC9000 unit looks like it is functioning, but none of the outputs are working.  I/O Error LED is flashing  8 times very rapidly (I think 8 times, too rapid difficult to count) and after that it blinks 4 times slowly, then stops blinking for some seconds.  According to Twincat PLC control, PLC is in Run mode, but on PLC the I/O run LED is not green.  When I push a light switch, I notice on the PLC that the input is received on the PLC, but according to Twincat PLC Control it is not.   My configuration is: - BC9000 - 7 x KL1408 input slots - 6 x KL2408 output slots - KL9010 end bus terminal   Tried already the following things: - Reboot (unplug/replug power) - reset and reload program on unit - replace KL9010 End bus terminal with another one - ...   Many thanks in advance for your ideas. Regards Fredje  
  19. Hello everybody, I'm new to Beckhoff and I couldn't find the solution yet, I hope someone can enlight me. I need to integrate two distinct and already functional systems: one is working with a Raspberry connected to other devices; the other one is a Bechoff unit getting sensors data. Now I need to get these data captured by the Beckhoff and send them to the Raspberry. Does someone know if I can access these sensors data in a Beckhoffs unit (it's a CX9020, but we can use a EK1100 as well...) by the Raspberry without using any other intermediate device (just the board and the unit)? Thank you!
  20. NEED HELP, TwinCat 3 NCI SlaveAxis

    i am trying to set up dual motors   "master and slave"  on a X axis in TwinCat NCI ,   so far i don some test with "MC_GearIn"   but i keep getting this error       "Error    40    14-05-2016 11:27:39 417 ms | 'TCNC' (500): NC-Ctrl (R0), Cannot configurate axis 4 into group 4 because a slave is coupled or this axis is a slave itself (CoupleState: 1) !!"                when i activate NCI. also i did try using a virtual axis as X and link two slave , but i get the same result :(   anybody knows how to do this ?  
  21. Hello all, I'm new to Beckhoff and running a PLC with EtherCAT I/O slaves. If one of the slaves is disconnected from the network (power loss or network cable broken) the whole PLC freezes, is there a way of configuring ethercat such that it remains (partially) operational, thus showing me the I/O on the unaffected stations.
  22. I am using a Beckhoff windows based controller, with  TwinCAT modular I/O (EL series). I have several problems: 1) Our HMI frequently loses comm. with the PLC. Beckhoff seems to use their own special networking. 2) The PLC ladder language supported is very rudimentary. For example, I had to create my own function block just to do simple analog scaling. 3) Their documentation is pretty bad -- Web based and very hard to find specific information. I would like to replace the Beckhioff controller with a more standard industrial PLC (like Automation Direct Productivity -- I like the programming language and ease of use.) My question is -- how can I use the existing Twincat I/O with AD, for example Modbus TCP. Is there some sort of gateway available for this purpose?
  23. Hello, I am new to the Beckhoff PLC systems and PROFINET. For one of the applications I am trying to connect ETHERCAT module to the PROFINET Controller which is in turm connected to IO modules. I am using the following modules: ETHERCAT coupler EK1100,EL6631 (Controller), EL6631(Device) --> EL6631(Controller)*,EL1008 (Input module) The connection between EL6631(Device) --> EL6631(Controller)* is via Ethernet cable. I am not able to configure the connection in the above mentioned fashion. Please let me know if this is a valid configuration? Is there any simpler way to achive this. And I am using the TwinCAT3 software on my PC.   Thanksk in advance :)
  24. thesis project

    Hello, For my thesis i'm using a beckhoff cx9020,a sunnyboy and a sunnyisland with rs485 communication protocol sma net. One of the things I need to do is to log everything from the sunny devices realtime. and here is where my problem starts. I am using rs485 to communicate with the devices via plc but I don't find any documention for what i need to request or send to get usefull data. does anyone here have an idea? Yours truly Jonas Vanhulle
  25. I am converting a PLC-5-40 processor that also has a SST side car for Profibus Dp communication to BK3100 modules on the equipment. To a Control Logix L-72 processsor using a Molex SST-PB3-CLX card to the Profibus modules. Everything went some what smooth until I got to the SSI transducers in the Profibus. The word arrangement is not coming in the same as with the PLC-5. Is there anybody else that has run into this problem and is there a solution. I have contacted Molex, Balluff and Beckhoff the first 2 got back to me I am still waiting on Beckhoff.