Mendon Systems

MrPLC Member
  • Content count

    490
  • Joined

  • Last visited

Posts posted by Mendon Systems


  1. I have had a problem for the past couple of weeks with the website singing me out unexpectedly. the interval ranges from several times a day to once every two or three days. I am not having this problem on any other websites so I don't think it is a security software issue.


  2. You could either make your 'ZeroO2' into a data entry variable instead of a constant or  you could create another rung similar to rung #3 which would move the correct value into the 'O2Time' register. Of course you will need some way to enter the desired value such as a touchscreen.


  3. The basics are:

    1) Use the FIND$(660) command to return the position of the first comma in the string in hex

    2) Use the LEFT$(652) command to extract the characters to the left of the comma to another string

    You will probably want to subtract 1 from the hex value returned by the FIND$ command so that you don't get the trailing comma when you use the LEFT$ command. You may also want to use the DEL$ command to clean up the data left in the receive buffer.

    1 person likes this

  4. You need to display the "Address Reference Tool" window on the CX-P screen. Each time you select an object in the program by clicking on it that window will display every program rung which references it. When you click on a reference in that window it will take you to the corresponding rung in the program.