Data Lists; Machine Data; General Machine Data; Channel-Specific Machine Data - Siemens SINUMERIK 840D sl Function Manual

B3: Several operator panels connected to several NCUs, distributed systems - only 840D sl

2.16 Data lists

2.16 Data lists
2.16
2.16.1

Machine data

2.16.1.1

General machine data

Number Identifier: $MN_
10002 AXCONF_LOGIC_MACHAX_TAB[n]
10065 POSCTRL_DESVAL_DELAY
10087 SERVO_FIFO_SIZE
10134 MM_NUM_MMC_UNITS
11398 AXIS_VAR_SERVER_SENSITIVE
12510 NCU_LINKNO
12520 LINK_TERMINATION
12530 LINK_NUM_OF_MODULES
12540 LINK_BAUDRATE_SWITCH
12550 LINK_RETRY_CTR
12701 AXCT_AXCONF_ASSIGN_TAB1[s]
... ...
12716 AXCT_AXCONF_ASSIGN_TAB16[s]
12750 AXCT_NAME_TAB[n]
18700 MM_SIZEOF_LINKVAR_DATA
18720 MM_SERVO_FIFO_SIZE
18780 MM_NCU_LINK_MASK
2.16.1.2

Channel-specific machine data

Number Identifier: $MC_
20000 CHAN_NAME
20070 AXCONF_MACHAX_USED
28160 MM_NUM_LINKVAR_ELEMENTS
262
Description
Logical NCU machine axis image
Position setpoint delay
Size of data buffer between interpolation and position
controller task (up to software version 5, then
MD18720, see below)
Number of simultaneous MMC communication
partners
Response of the AXIS-VAR server to errors
NCU number in an NCU group
NCU numbers for which bus terminating resistors are
active
Number of NCU link modules
Link bus baud rate
Maximum number of message frame repeats in event
of error
List of axes in the axis container
List of axis container names
Size of the NCU link variable memory
Size of data buffer between interpolation and position
control task
Activation of NCU link communication
Description
Channel name
Machine axis number valid in channel
Number of write elements for the NCU link variables
Function Manual, 09/2009, 6FC5397-1BP20-0BA0
Extended Functions