Commissioning; Configuration; Reconfiguration - Siemens SINUMERIK 840D sl Function Manual

Extended functions

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Commissioning

The configuration of the local static and dynamic NC memory is set and influenced by the

following machine data:

● Machine data that configure the memory:

– $MN_MM_... (NC-specific, memory-configuring machine data)

– $MC_MM_... (channel-specific memory-configuring machine data)

– $MA_MM_... (axis-specific memory-configuring machine data)

● Number of parameterized channels:

– MD10010 $MN_ASSIGN_CHAN_TO_MODE_GROUP (channel valid in mode group)

The first time the controller starts up, the sizes of the memory areas of the local NC memory

are set based on the default settings of the memory-configuring machine data. Generally, these

settings are sufficient for the operation of the control. If the memory areas of the local NC

memory are adapted because of special user-specific requirements, this results in

reconfiguration of the local NC memory. If the active and/or passive file system of the static

NC memory is affected, Alarm 4400 is displayed. The user should then back up the relevant

data by creating a commissioning archive on an external storage medium.

Alarm 4400 is displayed in the following cases:

● Memory-configuring machine data of the passive file system was changed

● Memory-configuring machine data of the active file system was changed and the function

"Automatic Memory Reconfiguration" (AMR) is not active

● Memory-configuring machine data of the active file system was changed, the AMR function

is active, but the data of the active file system cannot be buffered locally

Loss of data due to reconfiguration

A reconfiguration of the local static NC memory can result in the loss of the user data on the

active and/or passive file system. We therefore urgently recommend the back up of all relevant

data by creating a commissioning archive if Alarm 4400 is displayed, before activating the

changed memory configuration by an NC reset.

Extended Functions

Function Manual, 10/2015, 6FC5397-1BP40-5BA3

S7: Memory configuration

15.3 Commissioning

Sinumerik 828d