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  1. Hello, I'm Jaime from Spain and I have a watering installation with a m810 with a LCD display and it doesn't work. It has been working for the last two years without any problem until yesterday. The PWR light is on but the LCD display doesnt turn on. It's curious because the other device, the pressure variator shouldnt work if the 810 doesnt work. So I dont know what to do.  I would be very pleased if you can help me. Thanks for your answers
  2. Display page

    Hello! I am wondering if I can display an another page by clicking on an ActivX Option Button. I know that a page can be displayed only on left button click, but I need to make some connection between this and an ActivX Button. Can you help me with some ideas, please?!:) Thanks!
  3. Hello,  I am working on a project to connect a PLC (Micro820 by Allen Bradley) to a simple RS-232 alphanumeric OLED display. I am not too familiar with structured text language, but I have worked with micro-controllers that use similar high-level languages (mostly C-based).  My question is: is it possible to use connected components workbench to program my Micro820 to output ASCII commands to an off-the-shelf RS-232 alphanumeric display? Are there libraries that make life easier to do this?  I welcome any recommendations to related reference material or command tutorials, thanks!
  4. Logo!8 sensor compatibility/display

    Hi there,  I am brand new to the world of PLCs. I'm working on a project and we will be using the LOGO! 8. We will be monitoring a tractor's ground speed, wheel speed, (wheel slip using those two), oil pressure, tachometer, EGT, and system voltage.  As I said, I'm brand new to all of these things. Any tips or advice to get started? Or things to avoid? Specifically when choosing sensors. Also, we were thinking of a tablet to display these measurements in real time. Any suggestions? I was thinking the Simatic HMI touchscreen may be a better option for compatibility. This will be on a competition tractor, though. From experience, how durable/rugged are these displays? It would mostly be subjected to dirt, vibrations, and quick jerks.  Any advice to help guide my Googling adventures would be greatly appreciated!  Thank you.
  5. Version 1.0.0

    38 downloads

    This is an example (with code) on how to cycle user messages on the Keyence KV-D20 display. The code is written as a sub-routine that is easily incorporated into a Keyence KV series PLC. The code is proven to work - I've used it many, many times. A brief rung-by-rung commentary explains the basic operation of the code.
  6. View File Keyence KV-D20 How to Cycle User Messages This is an example (with code) on how to cycle user messages on the Keyence KV-D20 display. The code is written as a sub-routine that is easily incorporated into a Keyence KV series PLC. The code is proven to work - I've used it many, many times. A brief rung-by-rung commentary explains the basic operation of the code. Submitter pop29684 Submitted 10/04/16 Category Tutorials and Guides
  7. E1151 New Display Register

    Hi all, I wonder if anyone can help me. I have 4 test rigs setup with E1151 HMIs and FX3U PLCs (with two ADCs and one DAC).  They are running pretty well, and the HMI changes block fine when using Jump to Block, but when I try to get the PLC to change the HMI's block using the New Display Reg it becomes very temperamental. For automatic testing I want the PLC to prompt the HMI to change block, so I set it up with a PLC register, then set the HMI to use this register for the New display reg.  When I turn the PLC and HMI on I can run through the test, and at the end it changes screen perfectly.  However if I run the test again the HMI appears to "forget" to change screen.  I have checked the new display register and It lists the correct screen, but the HMI doesn't change. So far I have tried adding "SCRR" too the command list to use short recipe names (saw this on a previous post), and tried reducing the amount to data transfer between the HMI and PLC to see if it was a latency issue, but neither have worked. Has anyone else witnessed problems like this?
  8. ALLEN-BRADLEY 2706-D21J2 SER

    I am Looking to buy a ALLEN-BRADLEY 2706-D21J2 SER. C OPERATOR INTERFACE REV. A  (A 4 Roll Display,, I have every thing to operate the DL-20 2 Roll Display. Will what I use to control the DL-20 also work on the 2706-D21J2 SER. C 4 Roll ?? Thanks Whit
  9. Hello.   I have a question regarding NB series display. The comunication is made through RS232 / RS485 comunication. I would like to use NB display as MODBUS MASTER and SLAVE aplication. - Display would work as MADBUS-MOSTER to talk to plc controllers. (Working through COM2 - RS485) - Secondly, Display would work as MODBUS-SLAVE to talk with (SCADA). (Working – Registers LW, LB))   What I have trouble with, is: - I would like to change variable in the PLC - for example : Regime_PUMP (address: 0x0001). - Regime_PUMP variable should be settable from all three devices PLC <-> DISPLAY <-> SCADA So: - If I change Regime_PUMP through PLC it should refresh also on DISPLAY and SCADA. - If I change Regime_PUMP through DISPLAY it should refresh also on PLC and SCADA. - If I change Regime_PUMP through SCADA it should refresh also on DISPLAY and PLC.   Does anybody have an example for NB series of display to do this?   Best regards.
  10. I am running a very large step based program on an NJ plc.  I have several status and alarm messages that I need to display on the screen during the auto cycle.  Right now I have set up unions in the PLC for the faults... but this is a very large program with a lot of possible faults.  I'm up to 9 16-bit array unions already.  It is just getting really cumbersome.   I would like to just write an INT to a data area for each fault and status message.  That way I can assign each step a 5 values to be used for faults and messages (ie: step one can use numbers 1-5, step 2 can use 6-10, etc) .  Then I want to have the NS display a message from the string table based on the value in the data area.  Is this possible?
  11. I am working on project which is using Micrologix 1400 and AB Panelview. I am using FactoryTalk View Studio to build the HMI. The PLC needs to know which screen is displayed on HMI so some additional functionality can be activated. How would this be done? I was looking where could I write screen number to N7 location in the PLC or set a bit in B3 area but could not find anything. Thanks for your help.
  12. GE iFIX iClient - Mutiple Display

    We are getting a new HMI system that will be running on GE iFIX and iClients.  The HMI is designed for a single monitor (1920x1080) and this will be displayed on a system that can support duel monitors.  We would like to use the second monitor for other windows based applications but I have been told this is not possible on an iClient system.  I have no knowledge of iFix and its HMI programing but this does not seam reasonable.  Can anyone provide any input on this? We mainly would like to use the second monitor to display security and video information for the plant that we already have a windows based application built.   I really do not want to have an additional system just , for this considering we already have a primary and secondary iClient workstations setup. Thanks in advance for any assistance and information.
  13. Hello. I'm having another issue regarding NT2S Display. Again I'm trying to convert my old project I made in NT2-ST software to NTXS software. I'm now having problems with: how to automatic go to screen1, if user doesn’t press any key for let's say 2 minutes? In old SW I have constantly checking DM00000 (screen trigger register) in PLC. If screen reg didn't change for 2 minutes I have write 1 to DM00000 (screen trigger register). With new software you cannot write to screen register directly. Or am I wrong? Did anyone do this function using NTXS software? Best regards.