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  1. Hello,   I'm currently working with a 1769-L19ER-BB1B CompactLogix controller connected to 7 1734-IE8C analog input cards. Into these cards I have about 14 Setra 269 Differential Pressure Transducers, all of which have their own individual display. Our goal is to capture and record the data from the Setras in the PLC, but I am struggling to scale it correctly. I currently am running a series of SCL function blocks to change the raw inputs (3277 - 16383) to the Engineering range (-0.25 - 0.25). The Setras have a standard output range of 4-20 mA and the calibration sheet I have for it matches that (4 mA = -0.25, 20 mA = 0.25 etc.) My issue is the SCL function block outputs are not matching the displays that the Setras have on the sensors. The difference can be somewhat staggering (largest one ive seen is PLC - > 0.045 , Sensor - > 0.003. Any ideas on what I can try to fine tune this scaling? 
  2. 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. 
  3. Problem: I am getting a control sync fault on 2 recently installed kinetix 5500 but only when my programing PC is connected to the machine network.  Install and setup all went great over a 5 day period.  Then all of a sudden I started to get this fault. Sometimes 100 times in an hour.  As soon as I go offline, and unplug my PC the problem goes away.  I have also tried another PC connected to the Machine network and still get the same result.  Sometimes machine can run for hours with my PC connected with no problem.  I do not have to be online with controller for fault to occur. Setup: I have the 2 K5500's ethernet ports daisy chained together, and then connected via shielded CAT 6 cable directly to port 2 of the Compact Logix Controller Coarse Update is set to 3.5ms and utilization's are at 33% and below.(I have tried the default 2ms with same results) Ethernet modules are configured with FW rev 7.013. Machine network is isolated.(not connected to plant network or internet) Equipment: Compact logix L33ERM Running version 30.01. There are a total of four servos in this system all running over ethernet.  2 Kinetix 350's(not affected), and 2 kinetix 5500's. I have tried: separate ethernet cables for each drive ran through a switch different ethernet cables resetting coarse update speed connecting a different PC for programming   I am just not sure where else to go with this.  Thanks in advance for any help.  
  4. 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        
  5. Hi guys!  I have several questions connected to kinetix 6000 servo amplifiers. I have a system with AB plc and AB kinetix servo drive. The communication is sercos. Earlier I was worked drives with ethernet communication. I think its better, I could monitor the parmeters durnig as its works. But with the sercos communication I am no longer to be able to do it. One of my question is that like it is possible to check the parameters somehow. I have some problem myabe with the overcurrent recently. But for now I even cant see what is the limit. Is it possible to find it somewhere ?   Also when Im watching the parameters in the RSlogix 5000 which is belongs to the servo drive. I can see a row like (servoname)axis fault code and (servoname) axis code. Is there any table where I can see which number belongs to which fault or status?  If anyone can help me I just appreciate ahead. Thanks Guys.            

  6. MR-J2S- Servo Driver to PLC

    Glen7829 posted a topic in Mitsubishi

    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?  

  7. How can i limit MRJ4 servo load?

    CangkeMan posted a topic in Mitsubishi

    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.?  

  8. Motion Control

    Kiwi_man82 posted a topic in Omron

    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

  9. QD77GF Error D304

    CangkeMan posted a topic in Mitsubishi

    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?  
  10. Hello I am not sure if anyone know how to select cable cross section for 5KW AC motor? Thank you
  11. 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   
  12. hello, I want to ask, maybe some of you know about this, I want to take a program on compactlogix but it has a firmware version 19.xx while the rslogix application I have is version 21.xx, there are several options offered by the application to be able to take the program, update the firmware in compactlogix or downgrade the rslogixku application to version 19.xx. if i upgrade the firmware in compactlogix, what about the program is the program safe or not, and if i upgrade the firmware will the program in compactlogix work properly?
  13. 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

  14. Omron 1S Servo

    simonongsk posted a topic in NJ Series / Sysmac Studio

    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
  15. PWTech is a rapidly growing company specializing in wastewater treatment equipment. We are currently hiring for a Controls Engineer. This is a full time position with some travel required. Requirements: 3-5 years experience Proficient with Allen Bradley MicroLogix, CompactLogix PLCs, PanelView HMIs Proficient with ladder logic programming Proficient with basic electrical theory, control systems and electronics Familiarity with NEC, with special focus and understanding of articles 409, 430 A high level of proficiency in written/spoken English Familiarity with Unitronics PLC/HMI is desired but not required Duties will include: Producing control panel submittal and as-built layout drawings, components lists, and line diagrams Selection and integration of sensors, motors, control systems and other mechanical and electrical equipment. Coordination with internal and external project engineers to resolve electrical and control questions and issues Programming, modifying and troubleshooting Allen Bradley and Unitronics PLCs and HMIs Providing assistance and remote support to field personnel Maintaining inventory of long lead items for warranty and project purposes. Location: Rosedale, MD (outside Baltimore) Technologies: 50% Allen Bradley 50% Unitronics. Salary: 95k-105 depending on experience. Higher if you have >10 yrs experience. Contact: Kreal@pwtech.us
  16. Hello, I have an .ACD file but do not have any software to read the controller tags. Can anyone please help me convert the file into a pdf? I can see from Notepad that is was made using RSLogix 5000 V21.   Thanks! G Pump_17_11_09.ACD
  17. 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!
  18. 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
  19. I have 0x4c requests from my ipc to the controller, with request path: Class - 0xB2, Instance - 0x004C. And 0x4c responses from the same path, and then "Command Specific Data": example 1 (of the command specific data): 0100a6409d00a6409d00a6409d00a6409d00a6409d00a6409d00a6409d00a6409d00a6409d00a6409d00a6409d00a6409d00a6409d00a6409d00a6409d00 example 2: 0100a7409d00a7409d00a7409d00a7409d00a7409d00a7409d00a7409d00a7409d00a7409d00a7409d00a7409d00a7409d00a7409d00a7409d00a7409d00 example 3: 0100a8409d00a8409d00a8409d00a8409d00a8409d00a8409d00a8409d00a8409d00a8409d00a8409d00a8409d00a8409d00a8409d00a8409d00a8409d00 Looks like it always starts with 0100, then repeating some value. In the first one the repeating value is 00a6409d, and then in the end 00. Or maybe it's 01 and then just repeating values surrounded with 00 or something similar. Is it values surrounded with 00, written using little-endian? Does the variable in request have a name?  
  20. 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!

  21. Problem during tuning

    Gman1 posted a topic in Mitsubishi

    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? 
  22. ello I have a powerflex 400 of 25HP for a 60amp 25HP motor, the motor have a belt that move the clarifier of milk. It is a process that requires strength to move.So I try with the motor without the clarifier the vdf works well with a constant amp of 12 to the max of 50hz that is set up with a ramp of 600 sec.Then I try with the belt that move the clarifier... The vdf start the ramp with a wird amp behavior like 10 sec 100 amp and then 13 amp for 10 sec.When it gets to 50hz (the max) it starts the same behavior 13 amp when it reach the max RPM and when it decrease a little bit it gets 100 amp to get to the max RPM again.In this vdf powerflex 400 I didn't see the % of torque options that the last one Fuji had.Someone told me that powerflex 400 is not for power processed, they are focus in pumps and blowers more alike, and that I need a vdf vectorial like a powerflex 725.What do you think...PD: as the 100 amp is like 10 sec the protections dont show up. PD: I made a try with water and hot water, in that point with the max hz  (and 6800rpm) when the hot water start to flow the amp gets constant in 75 amp, but the motor dosnt get to the 6800 rpm again it just keep trying in 6700rpm and it mantains the 75amp triggering the motor protection for overload.
  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. I have 23 Micrologix 1400s and I want to take the same register, N100:99, out of each one and put in a single array in a CompactLogix L18ER. From what I have tried, it only seems like I can only map a range of integers, N100:77-N100:100, to the array and not an individual register to a particular element. (For example, mapping N100:99 from machine 16 to Selected_Model[15]) Can you map to individual elements in an array? If so, are there any instructions on how to do so? Thank you in advance for reading my post!