Dram Memory - Siemens SINUMERIK 840DiE sl Manual
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01/2007
11.4.1
DRAM memory
Free memory
Machine data
Table 11-13
Machine data required to configure the DRAM
Number
General ($MN_ ... )
18050
INFO_FREE_MEM_DYNAMIC
18170
MM_NUM_MAX_FUNC_NAMES
18180
MM_NUM_MAX_FUNC_P ARAM
18210
MM_USER_MEM_DYNAMIC
18240
MM_LUD_HASH_T ABLE_SIZE
18242
MM_MAX_SIZE_OF_LUD_V ALUE
18250
MM_CHAN_HASH_TABLE_SIZE
18260
MM_NCK_HASH_TABLE_SIZE
18340
MM_NUM_CEC_NAMES
18342
MM_CEC_MAX_POINTS
18500
MM_EXTCOM_TASK_STACK_SIZE
18510
MM_SERVO_TASK_STACK_SIZE
18520
MM_DRIVE_TASK_STACK_SIZE
Channel–specific ($MC_ ... )
20096
T_M_ADDRESS_EXIT_SPINO
27900
REORG_LOG_LIMIT
28000
MM_REORG_LOG_FILE_MEM
28010
MM_NUM_REORG_LUD_MODULES
28020
MM_NUM_LUD_NAMES_T OTAL
© Siemens AG 2007 All Rights Reserved
SINUMERIK 840Di sl Manual (HBIsl) – 01/2007 Edition
The free DRAM memory is displayed in machine data
S
MD18050: INFO_FREE_MEM_DYNAMIC (free dynamic memory).
The free DRAM should not be less than 15,000 bytes.
Caution
Before you enlarge DRAM areas, you should first check whether the free
memory is sufficient:
S
MD18050: INFO_FREE_MEM_DYNAMIC (free dynamic memory)
If more dynamic memory is requested than is available, the SRAM and
therefore all user data will be cleared without prior warning on the next NCK
start–up!
To avoid data loss, a series startup file should be created before
reconfiguration (see Section 15.2, Page 15-460).
Identifier
Display data of the free dynamic memory
Number of miscellaneous functions
Number of additional parameters
User memory in DRAM
Hash table size for user variables
Maximum field size of the LUD variables
Hash table size for channel–specific data
Hash table size for global data
Number of LEC tables
Max. table size for sag compensation
Stack size for external communication task
Stack size of servo task
Stack size of drive task
Spindle number as address extension
Percentage of IPO buffer for log file enable
Memory size for REORG
Number of modules for local user variables with
REORG
Number of local user variables
11 NCK Commissioning with HMI Advanced
11.4 Memory configuration
Name/remarks
Refer-
ence
/FBW/,
W1
/FB/, K1
11-307
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