6 NC Machine Data (NC MD), NC Setting Data (NC SD) 07.97
6.6.1 General MD bits (general bits)
Bit 6 Bit 6=1 An extended tool parameter basic display with 12 parameters (P0 ...P11) is
displayed.
MD 13, "Number of parameter values per D no.", is monitored for greater
than, equal to 12 on Power On and Format tool offset memory.
Bit 6=0 The existing tool parameter basic display with 10 parameters (P0 ... P9) is
displayed.
MD 134, "Number of parameter values per D no.", is monitored for greater
than, equal to 10 on Power On and Format tool offset memory.
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7 6 5 4 3 2 1 0
Bit No.
NC MD
5011
@
read/load
Actual
value
display
G91pro-
gramm.
G90 progr.
TO wear
TO
geometry
(type 1-9)
Incr. dim.,
DRF
Zero offset
TO wear
(as from
SW 6)
Diameter function for
Default value 840C (T): 0101 0000
Default value 840C (M): 0000 0000
All bits in NC MD 5011 affect the axes defined as transverse axes in NC MD 572*, bit 1. All
bits in NC MD 5011 must be set to zero if no transverse axes were defined (i.e. if bit 1 in NC
MD 572* is 0).
Active: At once
Bit 7 All axis-specific @ of axes defined as a transverse axis must be entered as
diameter and are written as diameter (CL 800).
Bit 6 Machine-related actual value and workpiece-related actual value are displayed
in diameter (also see NC SD 5001, bit 0). The actual values in the axis-
specific Service displays are still shown as radii.
Bit 5 Diameter programming in G91.
Bit 4 Diameter programming in G90. The TO wear for tool types 1 to 9 is entered
and displayed in diameter.
Bit 3 The tool length for tool types 1 to 9 is entered and displayed in diameter.
Bit 2 Pulse weighting is diametral for INC handwheel and DRF handwheel. The DRF
offset is displayed in diameter.
Bit 1 Settable ZO and programmable ZO are entered, programmed and displayed in
diameter.
External ZO, PRESET offset, distance to go and REPOS are displayed in
diameter.
Bit 0 Tool wear for tool type 1-9 in diameter
Note:
This machine data applies to transverse axes only.
6–98 ©
Siemens AG 1992 All Rights Reserved 6FC5197- AA50
SINUMERIK 840C (IA)
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