Siemens SINUMERIK 840D sl Commissioning Manual page 734

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Programming commands

6.3 Functions

PLC variable

All PLC data are available.

Byte y bit z of data block x

Byte y of data block x

Word y of data block x

Double word y v. of data block x

Real y of data block x

Flag byte x bit y

Flag double word x

Input byte x bit y

Input byte x

Input word x

Input double word x

Output byte x bit y

Output byte x

Output word x

Output double word x

String y with length z from data block x

Registers are needed in order to exchange data between different dialogs. Registers are

assigned to each dialog. These are created when the first dialog is loaded and assigned the

value 0 or a blank string.

Registers may not be used directly in OUTPUT blocks for generating NC code.

Ix.y or Ex.y

Qx.y or Ax.y

SINUMERIK Integrate Run MyScreens (BE2)

Programming Manual, 03/2013, 6FC5397-1DP40-3BA1

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Sinumerik 840de sl