6 Assi
nin
Parameters to the Control and the PLC Pro
ram
6
03.96
6.7 Memory configuration
6-105
Siemens AG 2000 All Rights Reserved
SINUMERIK 840D Installation and Start-Up Guide (IAD) – 04.00 Edition
The following machine data cause a reconfiguration of the control SRAM when
their contents are changed. When a change is made, the alarm “4400 MD
alteration will cause reorganization of buffer (data loss!)” is displayed. When this
alarm is output, all data must be saved because all buffered user data will be
erased during the next booting.
Table 6-8 Machine data for memory configuration
MD number MD name Meaning
MD 18020 MM_NUM_GUD_NAMES_NCK Number of global user variables
MD 18030 MM_NUM_GUD_NAMES_CHAN Number of global user variables
MD 18080 MM_TOOL_MANAGEMENT_MASK Memory tool management
MD 18082 MM_NUM_TOOL Number of tools
MD 18084 MM_NUM_MAGAZINE Number of magazines
MD 18086 MM_NUM_MAGAZINE_LOCATION Number of magazine locations
MD 18090 MM_NUM_CC_MAGAZINE_PARAM Number of magazine data
MD 18092 MM_NUM_CC_MAGLOC_PARAM Number of magazine location data
MD 18094 MM_NUM_CC_TDA_PARAM Number of tool-specific data
MD 18096 MM_NUM_CC_TOA_PARAM Number of TOA data
MD 18098 MM_NUM_CC_MON_PARAM Number of monitoring data
MD 18100 MM_NUM_CUTTING_EDGES_IN_TOA Tool offsets per TOA module
MD 18110 MM_NUM_TOA_MODULES Number of TOA modules
MD 18118 MM_NUM_GUD_MODULES Number of GUD files
MD 18120 MM_NUM_GUD_NAMES_NCK Number of global user variables
MD 18130 MM_NUM_GUD_NAMES_CHAN Number of channel-specific user variables
MD 18140 MM_NUM_GUD_NAMES_AXIS Number of axis-specific user variables
MD 18150 MM_GUD_VALUES_MEM Memory location for user variables
MD 18160 MM_NUM_USER_MACROS Number of MACROS
MD 18190 MM_NUM_PROTECT_AREA_NCKC Number of protection areas
MD 18230 MM_USER_MEM_BUFFERED User memory in SRAM
MD 18270 MM_NUM_SUBDIR_PER_DIR Number of subdirectories
MD 18280 MM_NUM_FILES_PER_DIR Number of files
MD 18290 MM_FILE_HASH_TABLE_SIZE Hash table size for files in a directory
MD 18300 MM_DIR_HASH_TABLE_SIZE Hash table size for subdirectories
MD 18310 MM_NUM_DIR_IN_FILESYSTEM Number of directories in passive file system
MD 18320 MM_NUM_FILES_IN_FILESYSTEM Number of files in passive file system
MD 18330 MM_CHAR_LENGTH_OF_BLOCK Max. length of an NC block
MD 18350 MM_USER_FILE_MEM_MINIMUM Minimum user memory in SRAM
MD 28050 MM_NUM_R_PARAM Number of channel-specific R parameters
MD 28080 MM_NUM_USER_FRAMES Number of settable frames
MD 28085 MM_LINK_TOA_UNIT Allocation of a TO unit to a channel
MD 28200 MM_NUM_PROTECT_AREA_CHAN Number of files for protection areas
MD 38000 MM_ENC_COMP_MAX_POINTS [n] Number of interpol. points with interpol. compensation
Erasure of SRAM
through MD
change
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