Siemens SINUMERIK 840D sl Function Manual page 959

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Dynamic user memory

The dynamic NC memory is used jointly by the system and by the user. The area available

to the user is defined as the dynamic user memory.

Dynamic-user-memory size

The size of the dynamic user memory is set in machine data:

MD18210 $MN_MM_USER_MEM_DYNAMIC

Changes are not usually required as an appropriate value is automatically set during the

reconfiguration.

Dynamic user memory still available

The dynamic memory still available is shown in machine data:

MD18050 $MN_INFO_FREE_MEM_DYNAMIC

(free-dynamic-memory display data)

The content of this machine data indicates how much memory is available to expand the

user data areas (local user data, IPO buffer, etc.) for each channel.

You can adjust the default memory division by increasing/decreasing individual memory

areas for each user.

1. The dynamic user memory still available is displayed in machine data:

2. Setting machine data (→ Data lists).

3. Reset the NCK.

Extended Functions

Function Manual, 03/2009, 6FC5397-1BP10-4BA0

MD18050 $MN_INFO_FREE_MEM_DYNAMIC

(free-dynamic-memory display data)

Detailed machine-data description

The memory is set up again.

Memory Configuration (S7)

Configuration of the dynamic user memory

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