Siemens SINUMERIK 840D sl Commissioning Manual page 312

Fundamentals
15.5 Machine and setting data
Number and identifier
Machine data and setting data are identified using the number or the name (identifier). The
number and name are displayed at the HMI.
The identifier of a machine data is subject to the scheme:
● $ M k _IdentifierString
– AAxis
The identifier of a setting data is subject to the scheme:
● $ S k _IdentifierString
where the following applies:
– $System variable
– SSetting data
– kComponent
– CChannel
– AAxis
Activation
Activation when referring to a machine data indicates the NC status in which a change to a
machine data becomes active.
The levels of effectiveness have been listed below in order of priority. Modification of the
machine data takes effect after:
● POWER ON (po) NCK RESET
● NEWCONF (cf)
● RESET (re)
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where the following applies:
– $System variable
– MMachine data
– kComponent
k identifies the components of the NC parameterizing the appropriate machine data:
– NNC
– CChannel
k identifies the components of the NC parameterizing the appropriate machine data:
– NNC
– Softkey Activate MD at MMC
– RESET key on MCP
– It is possible to modify block limits during program operation
– at end of program M2/M30 or
– RESET key on MCP
Commissioning Manual, 07/2007, 6FC5397-2AP10-3BA0
IBN CNC: NCK, PLC, drive