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EL8601-8411 | 12-Channel multi-Interface, 8 x DI, 1 x CNT, 1 x ENC AB, 4 x DO, 2 x PWM, 1 x AI, 1 x AO · 0 次阅读

24 V output, Compare function (0x182199)

Setting the output via PLC variable

The output can be switched at runtime via the process data 0x7000:05 "Set output". This makes it possible to set the output, e.g. to check the general function without activating the Compare function.

Notice If the automatic switching function is enabled (0x7000:06 "Enable output function" = TRUE), setting the output via the PLC variable is ignored. Therefore, make sure that the automatic switching function is disabled 0x7000:06 "Enable output functions" = FALSE.

Setting the output via "Set output"

  • The output is set when the Set output bit (index 0x7000:05) is set to TRUE.
    • The bit in Status of output (index 0x6001:01) is set to TRUE.
    • The Status LED on the terminal lights up green.
  • The output is reset if the Set output bit (index 0x7000:05) is set to FALSE.
    • The bit in Status of output (index 0x6001:01) is set to FALSE.
    • The Status LED on the terminal is off.

Set output via output function (Compare function)

The Compare function enables the output to be switched when a predefined threshold value is reached. The output is switched independently of the PLC cycle. This means that particularly short reaction times can be realized.

  • The value for setting the output is entered in Switch on threshold value (index 0x7000:12).
    If the value in Switch on threshold value is greater than the value in Switch off threshold value, the function is executed inversely.
  • The value for resetting the output is entered in Switch off threshold value (index 0x7000:13).
  • The Compare function is activated by setting Enable output functions (Index 0x7000:06).
  • The output is set on reaching the value from Switch on threshold value (index 0x7000:12). The bit in Status of output (index 0x6001:01) is set to TRUE. The Status LED on the terminal lights up green.
  • The output is reset on reaching the value from Switch off threshold value (index 0x7000:13). The bit in Status of output (index 0x6001:01) is set to FALSE. The Status LED on the terminal is off.
24 V output, Compare function (0x182199) 1:Fig.162: Parameterization of the output via the Compare function