Siemens SINUMERIK 840D sl Commissioning Manual page 87

Commissioning cnc part 2 (hmi)

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If the value is a String type, it must

be enclosed in quotation marks.

WNP("DB20.DBB1",1)

NC variables

All machine data, setting data and R parameters are available, but only certain

system variables. A list of all accessible system variables can be found in

Section 8.4 or in HMI Advanced under Operating area Parameters/System

variables/Edit view/Insert variable.

All global and channel-specific user variables (GUDs) can be accessed. but local

and program-global user variables cannot be processed.

User variables may not have the same names as system or PLC variables.

Machine data

Global machine data

Axis-specific machine data

Channel-specific machine data

Setting data

Global setting data

Axis-specific setting data

Channel-specific setting data

System variables

R parameter 1

Tool offset data can only be set up by means of PI Service commands

(_N_CRCEDN, _N_CREACE, _N_CREATO). New values for settable zero offsets

must be activated with command _N_SETUFR.

PLC variable

All PLC data are available.

Byte y bit z of data block x

Byte y of data block x

SINUMERIK 840D sl/840D/840Di/810D HMI Installation and Start-Up Guide (IAM) – 08/2005 Edition

Expanding the Operator Interface (BE1)

;Write PLC variable

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