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We have a Panelview Plus 600. One of our panels is labeled "Motor Control," in charge of turning on/off different pumps. The problem is while the system is running, clicking the on/off button will not turn any pump off. When the system is shut down, the pumps can be turned on and off but not when the system is running. I'm trying to shut off one pump without shutting the whole line down. Any help is appreciated. Thanks.

Hi guys, been using this site for a long time, it has come in handy alot. However I have recently taken on my first servo project, heres an overview of the project We have a filling machine that has a separate dosing system to the filler head. It used to keep the dosing in time by adjusting a 0-10v signal to an inverter to make sure that a flag makes a sensor in a set window. I have installed an encoder on the filling head and an mpl servo to the dosing. I have then used an MAPC instruction to follow the encoder, the cam is 0-360 and it follows a straight linear line. I have installed of this as a temporary set up on one of the filling machines (we have 2) and it is working perfectly. I have now installed this on the second machine as a permanent set up with a panelview plus 7, L71 cpu. However it is giving a very strange problem on first power up, the encoder is giving the exact same position as before it was powered down. however as soon as the MAPC executes the servo axis  faults, giving an overspeed fault. the servo doesnt even look like its attempting to move (however it is through a 10-1 gearbox). if i then home the encoder it then runs absolutely perfectly until it is powered down again. I am beginning to think it may be to do with the master lock and cam lock position, as the cycle stop position of the two machines are different. however I just cant seem to get my head around i the difference between them.   Hopefully that makes sense any help would be greatly appreciated Thanks Rhys   c1_dosing.ACD

Hello All, I'm completely new to the motion control systems and I'm interested in learning servo programming and motion control. I was trying to find a good resource that I can start learning from A-Z, but I couldn't find any. I have a demo kit with compactlogix processor and two kinetix 6500 drives with servo motors. What is the best way to learn it. If you guys have any resources or basic sample program please help me. Any learning material would be helpful. Thank You All

I have a Mitsubishi servo Pak #MR-J3-40B with an error 25 and 95 flashing. Could not find any help on the web or in the manual. Any help appreciated.

Hi, i have to connect few PLC on the same subnet, there are 3 Omron CJ2M and 1 AB L33ERM/A, the connection should send some words between one of these Omron PLC to the AB   I've tried using the "Explicit Messaging" but i cannot send the data, i only receive the error "514" and nothing more, what can i try?

Hello, The company that I work for wanted me to design and build a FIFO loader. For those who do not know what a FIFO loader is, it's basically a lift that runs up and down and filling up the magazine slots with pcb's. After I finish the mechanical part i'll try to program it by using a CPM2C - 20. I have already played with CX-programmer and learned my self a bit, for example how to program simple things such as AND and OR gates for controlling motors and lights. Really hard part for me was figuring out how to create a program that reads data from the encoder and use it to create positions which the motor will stop at, and i have not yet figured it out. I've been trying to google it without any luck, the only thing of real info i've got is a 650 page long pdf file or CX-Programmer manual which is hard for me to read since i'm new to all of this. Would be great if any of you people got any source or maybe a manual which are easy to understand for new beginner like myself. A bit about the program i would like to make: The FIFO loader will have some buttons for selecting different programs, lets say you press first button to select "program 1". Then the machine should move up and stop at posision "50" (there are 50 slots on PCB magazine) after it gets signal from pneumatic actuator (which will be used to shove pcb inside the slot) its should move to position "49" and so on.. If FIFO loader is located at "home" position and you press second button to choose "program 2", then it will move to slot "49", wait until it gets loaded, and continue to slot "47" and so on.. The meaning of this is to make a loader which can select a program to fit pcb's with different size of components.

hi, im student im trying to make a position control with the misubishi serie of servos, i have 2 mr-j2s-20a and 1 fx2n-20gm i was reading the manual i didnt readed all yet, i wat to know if i can control the position with a fx2n plc and if someone can send me a example of a code using it. thx for your attention 

I have been programming Omron plc's for a while but have not used any servo drives. I have customer who is free issuing the following equipment for a project he wants programmed.: cj1m cpu21, r88d-gt04h, r88d-gt08h, r88m-g40030h, r88m-g7503h-s2. The small drive is connected to a simple ball screw moving a stop. The second drive is connected through a gear box and chain drive full details not known to date.  I have read the cj1 manuals and will be generally using  pls2 commands for the position movements.  Are the drives plug and play? If I connect the drives leaving the parameters as out of the box defaults should the drives operate using the pls2 command. In this condition I assume it is 10000 pulses per rev of motor. I can scale positions with maths in Plc and send the required pulses. Any guidance appreciated to confirm I am on the write track. I assume I could also use the electronic gearing parameters. Any examples using 5mm ball screw!    

Hello Dears, I am studying to control position via Mitsubishi device Now, I have Q172 CPUN and MR-J2M(MelServo) to control position. But, I didn't find manual that explain command and parameter to do it and it has the example to do it. who have experience to control position, pls help me to overview it. Thanks so much!

Hi... i want to ask about QD75D4, how to change rotation direction in positiont data ? If position data number 1 is CCW and position data number 2 is CW.   I try give value 100 (hope run CCW) and -100 (hope run CW) on posiition length but not respond.   Parameter axis #1 Control system = 2:INC linear axis   Any setting mistakes ?   Thank you

Please suggest me about these issues: Issue: No Rotation 1.     The motor links are slack or release. 2.     Distant issue is stuck in the glide. 3.     The motor load is extreme. 4.     The bearing are shabby. Issue: Overheating 1.     The rotor is in part demagnetizing cause extreme motor present. 2.     Motor voltage is exceeding the highest value. 3.     The duty cycle is extreme.  

Hello, I am Er. Nirav M. Madhvani Can you please me tell me about How Stepper Motor Controlling using Allen Bradley PLC Micro logix 1000 and also tell me about Which Instruction I can used in this topic and also tell me about how speed Vary and Pulse vary ?

Hello, I am not sure if this topic is too far from what the forum concerns, but any advice is greatly appreciated including reference to other reference. I want to know if any induction motor has internal encoder equipped. We are using servo motors, and additionally an encoder for position check. Because the position control resolution requirement is about 1 degree, I am thinking about abandoning servo motor, and to use induction instead. Servo motor has internal encoders for outputting pulse information. And I wonder, if there are induction motors with internal encoders. Thanks in advance. Ting

Is it possible to read (and maybe write) the software limit values of a G5 servo from NJ code? It appears that PDO entry 607D would allow this, but how can I read/write to it? I don't seem able to map that entry to I/O. Thanks.

I'm looking for a user manual for the R88D-KN50F-ECT-L 5kW linear servo motor drive with EtherCAT. I have found Omron manual I577-E1-02, but this seems to only cover drives up to 3kW (R88D-KN30F-ECT_L.) It may be that there are no huge differences between a 3kW and a 5kW model, but I would like to have a manual that covers it if possible. Is there a more up to date version somewhere? Thanks.

I have an application using Kinetix 6500 servos and Compactlogix PLC. The app requires a change to the MasterPositionFilterBandwidth(MPFB) at particular times during gearing motion depending on the circumstances. This value can be changed instantly using an SSV instruction but I have found the new MPFB value does not take effect until the Axis is stopped or turned off. Once either of these has occurred, the new MPFB value becomes active on the next gearing motion instruction. Can anyone help me with how I can make this MPFB value take effect immediately?

I have a 2 axis control that runs a pair of identical servo drives. as of late I have been getting reports from the operators that the two motors, while jogging forward will suddenly run in the reverse direction at a high rate of speed. There is not a reversing function on these axes in an way. I am suspecting there may be a problem in the analog output of the module causing an inversion of the signal which in turn causes the motors to run in reverse. This setup has been in operation without any instance of this happening for around 5yrs before any issue with out of control runs. All cabling has been checked and is properly shielded and grounded.

We are currently using a SureStep STP-DRV-4850 stepper drive from Automation Direct with their bipolar STPMTR23079D Stepper motor rated at 1.1 ohm, 2.8 amp per phase and 1.8 degree per step. The setup is a 24 volt rotary encoder 600 PPR AB quad that is turned 1 revolution per 6” of measured travel of the machine. We have a large “clock” dial that shows 24” of travel that the stepper motor directly turns. It has been programmed for 9600 pulse per revolution AB quadrature following and seems to follow the movement quite well. The issue that we having is several times a day the power is shut off to the machine and the stepper upon startup moves to the closest full step which looks to be about 3/8”. We need to save its location or at least keep the dial close to its current mircostep if possible. Do I have something set-up wrong? Should I be using a different drive? Thanks in advance!

Dear experts, I have been trying to flash parameter to QD75MH1 module from PLC. Every time I monitor the servo via GX-configurator QP, I find 0 error, 0 warning but in the history tab it shows "start not possible(108)". But when I did it by flashing the parameter by GX-Configurator QP(Specially invalidating forced stop option" it works fine and servo motor jogs. can anyone help me to write the forced stop value from PLC program?