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  1. I'm using a Mitsubishi FX5UC PLC to control some Minas A6S servo drivers. Previously I've always used a pulse train and discrete IO (it's the way things have always been done here). This time I'd like to use Modbus RTU over RS-485. I'm pretty confident that the RS-485 wiring is correct because I'm getting an exception code back from the driver rather than the messages from the PLC timing out.   I've been reading the manual called Operating Instructions (Overall) for the MINAS A6 series, particularly the communications supplement. I may be misunderstanding this, but the Modbus implementation appears to be non-standard. Specifically, in Schneider-standard Modbus, after the slave ID (or in this case, axis ID), the next part of the message is a function code that specifies the type of command; 01h is to read a coil, 05h is to write to a coil, and so forth. Whereas the Panasonic manual describes a different list of commands - to read the driver serial number it would be command 0, mode A, which gets transmitted as A0h. Documentation screenshots are attached.   The PLC function ADPRW only works with standard Modbus commands. So what I'm wondering is, am I misunderstanding the communications supplement, or do I need some code specifically for these drivers? If the latter, I would assume that someone has already written a function block or a predefined protocol definition for this hardware. Does one of you fine people have one?   Thank you in advance for the help!
  2. Hi  I want to adjust servo motor but I cant .After finishing the tuning error C004 is displayed
  3. Hello. What is the best option using TCP/UDP communication to use CP1L-EM40 as SLAVE / IO Expansion? For MASTER I’m using CJ2M-CPU31. Since now I’ve used FINS _CPU010_SendData and _CPU011_ReceiveData function blocks. The problem is, that I’m communicating with 6 slave IO units and to read/write all 6 units it takes up to 1 – 2 seconds. I’ve tried Ethernet/IP protocol but CP1L units doesn’t support this protocol. Is there some kind of different TCP/UDP protocol which is faster than FINS?  In older days you could use PC Link but this protocol is for RS232 / RS485 comm. I know I could use CP1W-EIP61 but I don't have this adapter and I can't afford to buy one Thanks. 
  4. Hi everyone, I have a question for you all, Is possible to configure CJ2M-CPU11 with tags trough network configurator to connect Control Logix PLC using EthernetIP? I did a configuration with CJ2M-CPU31 and Control Logix PLC with no problem, but now I need to communicate CJ2M-CPU11 with Control Logix PLC using EthernetIP. Some of you did this configuration between this two PLC before? Regards!
  5. I am trying to setup a CC Link between two machines. I have done this before without issue, but for some reason this is not going well.. I added a second CC link card to CPU2 and set it as ST 24 for the CPU1 network.  CPU 1 : Master.   cc0.jpg.   The original machine was setup using TO/From for each station, so i couldn't add this new link through the GUI.  CPU 2: Local cc1.jpg  When i try to use the GUI to setup this side the buffer stops working. but if i activate any TO/From instruction here i get a system fault with a 2110 SP. Unit Error CPU2 buffer cc2.jpg. But when i block the TO/From you can see the buffer is working at that exact same location specified.    2110 error says I am addressing the wrong card but the buffer proves that I am not. 
  6. Does anyone know how to change the reading on Omron servo motor reading from negative to positive? The encoder is reading negative values when it is moving in the forward direction.  I am using 1S servo on NX1P2 controller on Sysmac studio software.  Please suggest. 
  7. CC-Link IE Protocols

    Hello, There seem to be a lot of different CC-Link IE protocols: CC-Link IE Field Basic CC-Link IE Field CC-Link IE Field Motion CC-Link IE Field Safety CC-Link IE Control CC-Link IE TSN This causes me some confusion. Are there as many variations of Ethernet/IP and PROFINET? Can you point me to a good comparison of the different CC-Link IE protocols? My understanding is that: CC-Link IE Field Basic: 100 Mb/s Non-deterministic? Good for non-time-critical communications (e.g., setting a drive speed) Implemented in software Traffic can co-exist with other TCP/IP traffic Max 64 stations Addressed by IP address Star topology I believe the other protocols are all 1 Gb/s, are deterministic, are addressed by station number, are implemented in hardware and each needs its own isolated network. CC-Link IE Control is used for communications between PLCs and robots. CC-Link IE Field is used for remote I/O and CC-Link IE TSN is used for even faster remote I/O communications. Please let me know if any of this is inaccurate. Thanks,
  8. Does any one know any instruction that rotate the 1S Servo Motor continuously with angle(0 to 360)  and velocity control ? https://forums.mrplc.com/index.php?/topic/35459-omron-g5-servo-drive-rotary-mode/#comment-165564   Above link may be quite close to what i want. But I have no idea how to set it up   Simon        
  9. MR-J2S- Servo Driver to PLC

    I have a test station to test MR-J2S Servo drivers,  I am looking for something unique in the drivers to be able to save data about that test.  First thought was the SN, but i am not seeing any way to pull serial number from the driver. Only found it on the side of driver and really don't want people having to type it in , cause usually they type in the wrong numbers.  Does anyone know of a way to get the serial number out of the driver? or at least where it could be found?  Or any other unique identifier in these drivers?  
  10. How can i limit MRJ4 servo load?

    Hello, I am beginner at servo and its driver. i am using MRJ4A driver and HG SR102 servo motor. i want to make my servo stop or alarm when the load is over the maximum load that i set by my self. what parameter should i set to limiting servo load even if the servo motor strength enough to lift the load.?  
  11. Motion Control

    Hi Everyone.   I have been tasked with changing out an older Flex Drive servo drive to a more modern Micro Flex drive in a machine that has an Omron CQM1H-CPU51 PLC.  I'm having a few issues but hope that i can gain some clarity around at least one of the hurdles Im facing from here. Biggest issue for me at this moment is My work hasn't yet purchased a programming lead for this PLC (or even the bits required to make one myself) but i have a feeling the control for the Servo is done via motion control in the PLC.  Question here is, if changing from one servo drive to another type, will the motion control code need to be updated to work with the new servo drive?  I have very limited experience with motion control itself at this stage so I'm a bit lost when it comes to these sort of details. Regards Kiwi_man82
  12. QD77GF Error D304

    Hi. I am using PLC Q06UDV wit QD77GF to operate 11 servos, it is my first time using QD77GF and CC-Link IE Field. I've done the parameter setting. but the qd77gf error lamp started to blinking. i try to check it in cc link ie field diagnostic and didn't find anything except the error lamp blinking in monitor view. then i checked system diagnostic , no error showing up but, only historical error when i started the power of plc. it show D304 error.  in manual book the solution are lengthen the operation cycle qd77gf, check the cable, and shorten plc scan time. where can i find this setting sir?  
  13. Hello, I currently have a PLC in a machine that is a CP1H. A newly developed machine uses a CP2E PLC. The newly developed machine is supposed to communicate with the CP1H where the CP2E is a slave. I am not able to find much documentation on this specific set-up. I was wondering how to set this up. As the shared words of each PLC are on different adresses. I can't really find any documentation or any examples on how to do this. Can somebody help me with where to start with this?   kind regards, Ralf
  14. Hello all,    I have 3 kinetix 5500 drives connected in series but some how the 3rd drive lost power. all the fuses in the cabinet look good. nothing else is tripped either.    any advice is appreciated.  thank you   
  15. Hi everyone,  I am new to Mitsubishi PLC. I am trying to see from where Run or speed commands goes to Servo. I have MELSEC FX2M-32MT with FX2N-1PG cards for the Servo and I am using GX Developer 8.91v  Also, I would like to mention that initially I found out that BATT V light was lit so here what I didi. >I replaced the battery within 20 second while powered ON. Before changing the battery I took upload of the program successfully.  >I have cleared PLC memory and re downloaded the program.  > Checked Memory addresses M8005 8006 both are Low.  Now, when I am trying to run  my machine it is not giving output to two Servos while a conveyor operates when started from the HMI so it means program is inside PLC, right ? Program is attached if someone wants to have a look.  labeling mc 300322.rar
  16. Hello friends I have worked with other series of omron plc but this is the first time I am working with cqm1h cpu51 series. In a factory, 4 of these PLCs exchange data with each other with a clk21 card. After a problem with one of the CPUs and replacement, I was never able to download the datalink settings. I did all the steps in the manuals step by step but I did not succeed. In cx-net software, after selecting online, I selected the data link menu, but as you can see in the attached image, the setup button is never activated. Thanks for guiding me
  17. Omron 1S Servo

    Hello:           Does anyone know the details explanation of the Homing Settings for the Axis? Set the homing operation. 0: Proximity reverse turn/home proximity input OFF 1: Proximity reverse turn/home proximity input ON 4: Home proximity input OFF 5: Home proximity input ON 8: Limit input OFF 9: Proximity reverse turn/home input mask distance 11: Limit inputs only 12: Proximity reverse turn/holding time 13: No home proximity input/holding home input   Limit Input referring to Input (I/O) ? How about Proximity Input ? It is confusing with the terms. The manual has no explanation for each of the above selection.   Any one?   Simon
  18. NE1A-SCUP02-EIP

    Does anyone have experience with the NE1A-SCUP02-EIP safety PLC? We had a machine shutdown yesterday with a L9n4 error on the NE1A unit. The manual says this is a tag data link error. Does this cause the safety PLC itself to shutdown? I always thought the EIP portion of the safety PLC was only used for status reporting to the PLC. The safety portion is strictly on DeviceNet and is independent of the EIP network.  The CJ2 PLC's error log tells me it had problems communicating with the safety PLC, the VFD, and NX I/O's which were all in the same panel going through an Ethernet switch. 
  19. Hi, I need help with my program. How do I include the fractional part of the position I set for encoder? I have an Omron PLC and using cx programmer.  I need to command my servo (from HMI number input) to move to a certain position. Now using a manual computation, my servo is supposed to move 95.65mm, however, using my plc program, the resulting position doesn't include the 0.65. I used the FIXL instruction to convert my result from float to 32 bit and it removed the fractional part of the value.   Thank you!
  20. Hi, I have to implement an axis control in a NX1P2 PLC using an inverter (3G3MX2) and an encoder cabled on a EC0122 board. I found something similar implemented  on a CJ2M PLC, but I have no idea how to set up the axis in the configuration of sysmac studio and how to implement the control. Can someone help me? Some sample to catch out the configuration?   Thanks a lot Andrea
  21. Hey y'all- I have an application that uses an Allen Bradley servo with a brake and a linear actuator to lift a plate vertically. While maintaining a position, the servo drive (Kinetix 5500) will occasionally fault due to over-torque.  I'm thinking it could possibly be due to mechanical issues i.e. bearings in the actuator but my initial thought would be that it would fault while moving up/down as well, so far I've only ever seen it fault while holding a position. This leads me to suspect that there may be something off in the control loop. I'm not involved in the setup but I know we use load observer and I reckon we use auto-tune. Other than that, I wonder if it's something to do with the brake. I also read about mechanical resonance in the manual which seems like a stretch but it could be contributing, the frame that the actuator/motor is attached to does vibrate a fair bit.  I'm familiar enough with basic motion control using Allen-Bradley and understand the basic concepts behind the servo/control loop. However I'm at a loss for why the servo/drive would spontaneously over-torque while maintaining a position.  How would you guys approach troubleshooting this further/solving this issue?  Many thanks!
  22. Problem during tuning

    Hi! I would like to do some tuning on our machine, but the problem is that the machine stops and drops origin positions. I selected User Command method with Basic setting. After 5sec I started the tuning, the machine stops with the roblem of that axis. Is there a parameter bit that goes high (or low) during tuning? There're no strange sounds nor movements..even the amplifier doesn't give error code. Is there something else that i should check? In the Servo-Adjustments parameters, One Touch Tuning setting I found the Permissible Overshoot Amount Level is set to 0.  Can it be the problem? 
  23. Hi there I was reading this thread: And trying to create 3 axes. 1 virtual axis and 2 real axis, I would like to use MC_GearIn for each real axes so both real ones follow  the virtual axis (so both can move in sync motion). But my question is: If I give Move cmd(Absolute or relative)to master virtual axis and since it's virtual, it is not going to move then how can the other real ones follow the master(assuming that it's literally electronic gearing).  Any help will be appreciated!
  24. Anyone know what could be missing to be able to import this stepper motor to sysmac? This is one of the supplied xml files for the stepper motor.     FASTECH_Ezi-SERVO2_EtherCAT - OMRON.xml
  25. can i cc link  Fx3U-64CCL  with FX2-32CCL without any problem