Siemens sinumerik 840d sl Configuration Manual page 124

Configuring PI services of the NC as system functions
9.3 Function for the current block display
4. Now configure the PrepareActualNCBlockForDisplay function as the open screen trigger.
5. Then specify the corresponding NC, the channel from which the current block is to be
read, the cycle, and the three local string tags as parameters for this function.
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Parameter
Connection
Channel
Cycles (100 ms)
Previous block (output)
Current block (output)
Next block (output)
Meaning
Name of the connection to the
NC.
Can be viewed under: "PC-
System_1 > HMI_RT_1 > Con-
nections".
Channel from which the program
is to be read; 1 - max. 10
Update time as a multiple of 100
ms: 1 – 600 (equal to 100 milli-
seconds – 1 minute)
Local tag for the traversing block
that precedes the current travers-
ing block
Local tag for the current travers-
ing block
Local tag for the traversing block
that follows the current block
SINUMERIK Integrate Create MyHMI / WinCC V13 SP1
Data type
ASCII characters
Constant or variable
Constant
String tag
String tag
String tag
Configuration Manual, 11/2014