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  1. I using easymodbus library to connect and read data from 3 PLCs CP1L but it run unstablely, sometime it disconnect and i cant re-connect PLC, it give error time out when i try to reconnect when it happen, i restart PLC and everything back to work. Someone please help me. I am new with modbus and omron
  2.  Hi all. I have a question about how to set up the motor in rotary mode. My application will be a basic rotary table driven by a servo motor without gearbox between. So, in my servo drive axis settings, I select the motor as a rotary mode. then I defined the maximum position setting value for 360 degrees, and minimum to 0. So far so good. But the problem comes when I want to make an absolute move using the mc_moveAbsolute to move 360 degrees. Whit this settings the error "target position settings out of range " will come up. So, what is the solution to rotate 360 degrees without generating this error? if I set up the maximum value to 361 degrees and then if I rotate 360 the error will not occur and the motor will rotate 360 degrees as I aspected, but it's this correct ? or there is another way to do it? Thanks  
  3. Hi Guys, I need your various suggestion and helps on this issues. Past few days we facing an issues whereby the gantry of Z-axis which using the Kinetix 5500 servo drive straight crash down on the conveyor. The fault was Excessive Velocity Error and the first thing we took a look was the teaching and the speed. Somehow the teaching value of the motor and the speed was alright, we are running the axis on 100% speed. We have no idea the fault might be on the wiring or it might be the acceleration of the motor speed. We use to run this machine onsite at various customer, and this happens past few days. We run out of idea and we will be very much appreciated if there is any helpful idea could be bring up to. Steps taken so far; - Verify encoder value - Checked teaching position - Verify speed,acceleration and deceleration value was correct - Power motor connector was shielded  
  4. PC send data to PLC

    Hello, i'm newbie for plc. i want to ask about PC/computer send data to PLC CP1E with serial communication (RS232). my wiring cable is: PC                         PLC 2                             2 3                             3 5                             9 4&6    7&8                               4&5 and if i send data from PC to PLC, my indicator in COMM is blinking. i think the cable have no problem. but if i send data from PC to PLC, the memory is not same as what i send and whatever i send data, the memory didn't change. i will attach my ladder diagram. what should i do?    New folder.rar
  5. Hi my problem may have a simple solution but i cant work it out. I need to use the Divide function but it wont let me use a decimal point in either Source A or Source B. Is there a way to use a decimal point in Logix 500 Math instructions? Im using an AB Micrologix 1400 PLC. Can you only use math instructions with whole numbers? is there a way around this? Thanks James
  6. Hi my problem may have a simple solution but i cant work it out. I need to use the Divide function but it wont let me use a decimal point in either Source A or Source B. Is there a way to use a decimal point in Logix 500 Math instructions? Im using an AB Micrologix 1400 PLC. Can you only use math instructions with whole numbers? is there a way around this? Thanks James
  7. Hallo, i want to connect PLC Omron CP1E to indicator weighing scale with modbusRTU connection and i have a CP1W-CIF11 module to connect indicator with CP1E. ,but I have no experience in RTU modbus communication in the PLC. How do i start?   *i just need output: 1. Coil (Reference No = 0. Output bits) for input switch with address 3 (Tare). 2.Input Status (Reference No = 1) for output lamp with address 17 (stable) 3.Input register (Reference No = 3) to read data with address 5 (gross weight) 4. holding register (Reference No = 4) to write comparison data with address 17(over) page 85 - 94 in attachment     ad4402_manual.pdf
  8. Omron Servo Encoder

    Hello All  I am new to PLC programming , i have a question regarding omron PLC and High speed counters. I am using Cp1H-XA model plc . I connected HSC port 0 with a encoder and i was able to get the speed of the encoder using PRV2 instruction. Now i am trying to connect the second  encoder from the servo motor that i am using to HSC port 1. I am getting the PV signal using PRV instruction . Is there a way to calculate the speed of the servo encoder connected the HSC port 1 using PRV command , since i can't use the PRV2 command for the servo encoder .   Thanks in advance .
  9. How to set Homing parameter slot with _sHOMING_REF data. Please suggest me to setting MC_HomeWithParameter instruction or show example for using MC_HomeWithParameter instruction. Thank a lot
  10. Greetings everyone. I'm new here. Hoping to get help to operate the Omron V400-R2 barcode to the Mitsubishi QJ71C24N so that they can communicate the two devices with the correct method. PLC: Mitsubishi: Q03UDVCPU; barcode: Omron V400-R2; serial communication module: QJ71C24N. I use RS 232 communication cable, I have tried using predefined protocol and non protocol procedures but still can't communicate the two devices. I really appreciate your help.
  11. Hello everyone! Briefly introduction, I would like to communicate and test the following hardwares: 1- Omron CP1E (using an Option Port CP1W-CIF11) ; and 2- Arduino Nano using MAX485 RS485 transceiver. The CP1E will operate in "Modbus-RTU simple master" as illustrated in image 01. The arduino will be in slave mode address 1 and the library used is "SimpleModbus NG" ( ). Taking the sample in official manual ( ) , pages 248-253 in the "CP1E CPU Unit Software User's Manual" (Image 04) describes a sample communication to an "Inverter Slave". I want to use the Arduino Slave as the Inverter Slave just to be sure that all previous steps are correct. Therefore, I would like to know: 1- As illustrated in Image 02, Am I missing any resistors? 2- Should I connect the GND to the FG? 3- In this scenario, the DIP switch setup should be as illustrated in image 03? Only DIP4 is OFF. 4- Can I test it just forcing A641.00 and checking the DM Area Data, as shown in Image 05? The code used in it is the following: // Wiring: Arduino and MAX485 // RX0 - RO // TX1 - DI // D2 - DE/RE #include "SimpleModbusSlave.h" enum { REGISTER_0, REGISTER_1, REGISTER_2, REGISTER_3, REGISTER_4, REGISTER_5, REGISTER_6, REGISTER_7, REGISTER_8, TOTAL_REGS_SIZE }; unsigned int holdingRegs[TOTAL_REGS_SIZE] = { 0, 1, 2, 3, 4, 5, 6, 7, 8 }; void setup() { modbus_configure(&Serial, 9600, SERIAL_8N1, 1, 2, TOTAL_REGS_SIZE, holdingRegs); } void loop() { modbus_update(); }   Any answer can be helpful. Thank you for your time!   Regards, Jose.  
  12. Compare data RS232

    Halo, my name is Riandanu, I connect PLC Omron CP1E to weighing scale, and its done. i think i dont have problem between PLC and weighing scale. And i want to ask about, how to compare value from weighing scale ?  example : from the picture you can see value of weighing scale is " ST,+00160.66  g", and i want to compare it with 180 or 150 to give output on to lamp. Thankyou Riandanu       PLC to ek-i.cxp
  13. Design Improvement Ideas : I currently use a 24v DC slipping brake (either Clarke or Warner) to prevent a reel of film from over-rotating - With Previous motion controllers - i have used timers at first then progressed to using a Virtual axis and a switch to make my pulse from NX- Digital output card to a Solid State Relay  (PSWITCH command for anyone familiar with TrioBasic) and this has worked pretty well. I have the same physical setup on a new piece of machinery but am now using NJ and Sysmac - Have used a TOF and TON in inline ST to control brake and it sort off works - brake can feel a bit lumpy and can chatter and bounce a bit adn am worried about the reliability when the machine is running and the controller is doing more. (brake cycle time t#10ms and tried at 100ms also) I did try using the Time Proportional Out FB - but this was far worse than the above. I think i will try my luck at created a new virtual axis e.g. Rotary Mode - min 0 max 1000 Run with MC_Move_Velocity when Machine is running and use an MC_digital Cam Switch to create my output Pulse. I am new to the Forum and trying to get more involved with others rather than working in Isolation - so wondering if anyone has any suggestions or thoughts  or have done anything similar in SS? Thanks in Advance,
  14. Hello all. I have been working with an SLC 5/04 system, which houses various Digital and Analog INs and OUTs, up to Slot 29. I am currently mainly working with Slot 25, an Analog Input: 1746-NI16I. This is a system which has already been set up and has been running for the best part of 8-10 years. This particular card has had some spare inputs, one of which I am trying to connect to. In the Advanced Configuration, only a few Channels are actually "Enabled", and each channel is pretty much slightly different from another in terms of Input Type, Filter Frequency and Data Format. I am trying to set up Input 14, which is Channel 15, to "Enable" it, 4-20mA Input Type, Filter Frequency of 6 Hz and Data Format of either Raw/Proportional or Engineering Units. Now, after I have made my choices, I click apply, and then OK. I am then confronted by a pop-up which states: "Configuration Rung and Data Integer Data File Number: 25 Integer Data Element: 100 Rung to be inserted: XIC S2:1/15 COP #N25:100 #O0:25.0 24 At Program File Number: 4 82" I have the options of OK or Cancel. If I click OK, I now have LAD 4, Rung 82 Highlighted. This First Scan Bit and COP function were already here, but does that mean I have now altered what is being written to "#O:25.0"? I now Download the Changes. However, after all this, I am not getting any Analog input reading coming in from the Live PLC. What is this COP function? What does it do? How do I properly set up this Analog Card?   Thanks for your time, -Jame
  15. Average motor speed

    Hi Guys!   There is a task. I have a motor, and I can monitoring the actual speed. The question is how can I to determine the average speed, if I know just the actual speed. If the speed is zero, it must be ignored. So I have to measure when the motor moves. Anybody have any idea? How can I solve this problem. RSLogix 5000.  Thank you.  
  16. CP-1E Error

    Hello,  I am using Omron CP-1E PLC and expansion module 16ER and tc module.  When plc operated alone it goes to run mode when expansion module is connected either 16ER or TC module plc ALM/ERR led turned on.  
  17. recover program from plc-5/15

    A machine was bought at auction which included PLC-5/15 module.  It did not come with a backup of the program.  Our maintenance technician said the program would not load and turned the module over to me (IT).  I notice the battery was installed in '92 so am assuming the program is lost.  Is their any internal memory or last ditch effort i can attempt to recover the program from this module?
  18. Uploading from Panelview 600

    I am trying to upload program from panelview 600 with a windows xp pc using true serial port. The HMI has device net and rs232 port I am using straight rs232. Is there any set up or can i upload from the memory card attached to hmi. The HMI has a glare and display is not visible, we are trying to upgrade to panelview plus. Thanks  Model 2711-B6C10x FRN 4.48
  19. Hello I am  a Robot Programmer. Fortunately  I would be beginning the PLC Programmer Interview Process. From Initial CV Screening and first round of Interview. Screening was easier. But unfortunately I am not good with PLC tech questions apart from that is involved with Robot Programming. I need a few questions to judge whether the applicant is faking his experience or does he has the qualities. If any PLC Programmers can help me, It would be a great help for me.   Thank You
  20. Hello all, I have a Omron 3G3MX2-AB004-V1 Inverter (VSD) connected via EtherCAT that I need to reference (home) and also perform a relative move. I am looking for a Function Block with the following Inputs/Outputs for my Omron NX1P2-1140DT1 PLC for use in Sysmac Studio. Inputs - Takes the Encoder signal as a Position obtained via a Motion Control Axis (setup as an Encoder axis) - Takes a Homing sensor input (Sensor triggers on each conveyor belt cleat) - Take either a Reference or RelativeMove signal (to Home the inverter or MoveRelative respectively) - Takes the distance to move for a RelativeMove Outputs - Forward - Reverse - Velocity - Done - Busy - Error Has anyone done this before from a PLC FB for this inverter who could help me please? Many thanks, Richard
  21. cpm1a and ns5

    how to connect cpm1a to ns5 hmi? cant do it
  22. Here is a link to a thread on a recent post showing how to communicate serially to an Omron PLC using VB.Net. This uses the Omron Host Link serial protocols. (C-Mode Commands) It will read 10 DM registers and display them on the form. Here is the source program that can be downloaded. Other links: VB6 Program: VBA Program: Regards, Garry
  23. Flex I/O Rack

    I am in the middle of doing a retrofit for a old PLC5 and i decided to upgrade it to a Control Logix. With how much I/O I was needing the price of the system was going to be very pricey. So I decided to use my main rack as a control logix and use Flex I/O for my remote racks. I have never put together a Flex I/O rack so I am unsure of what I need for this rack other than my I/O modules and a communication module. Could someone give me a list of what is needed for these systems? 
  24. Problem with array

    Hi Guys! I have a problem with data collection. I use RS Logix 5000 software. I need to collect 11 int value. The sampling frequency is about 2 or 3 second. I tried to make an array but I faild, because I dont find what is correct for my task. I need about 5000 sample each of int value. Anybody have any idea about this problem ? If I have the datas then I have to exporting to an excel table . Thank you if anyone can help me.   T
  25. I have G310 and need to communicate with a AB PowerFlex 753 via Ethernet (20-COMM-E). I have tinkered with the Allen-Bradley drivers, which appear to be a MSG function, with no success. Has anyone done this?