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Memory Monitor

Memory Monitor​

To use the memory monitor, ensure the PLC is connected and program monitoring is on.

  • While the PLC is online, the memory monitor displays values for data registers.
    • These values can manually be changed.

  1. To open the memory monitor, left-click Home and left-click Memory Monitor.

  1. Left-click the data register drop-down and left-click the data register to monitor.

  1. To monitor the bit level of a data register, left-click the Device Bit button (if applicable).

  1. Double left-click Dec, Hex, or ASCII to change the value of the data register.

  1. Input the value for the data register, and left-click OK.
    • This will change the value of the entire data register.

  1. Double left-click on a bit 0 ~ 9 or A ~ F to change the individual bit for the data register.

  1. Input the value 0 or 1 for the bit.
    • This will change the value of the data register by a factor of 2(bit number being changed).
      • Example: bit 4 set to 1 → 24 = 16.