Nc Configuration - Siemens SINUMERIK 840C Installation Instructions Manual

Siemens computer drive installation instructions
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6 NC Machine Data (NC MD), NC Setting Data (NC SD)
6.1.1 Entering NC machine data
Note: With SW 3 and higher, the machine data are called in the MDD.
The machine data dialog replaces the previous method of entering MD.
See the "Machine Data Dialog" section for sequence of operation.
Notes:
The meaning of an NC MD bit always refers to the set state of that bit. The statement
(name) must be negated when the bit is not set.
Items of machine data for which there are no descriptions are either set to 0 when the
standard machine data are loaded or the control installed, or are preset according to the
control's configuration. In "Overall Reset" mode, the standard machine data are preset
when the NC MD are loaded.
Once the machine data have been entered or modified, the input enable must be revoked
via the "Inhibit Password" softkey.
The following applies to machine data that become active after "NC Stop":
Channel-specific machine data are active after a change if the signal "NC Start
possible" has been set in the relevant channel after NC Stop.
Axis/spindle-specific and general machine data are active after a change if the
channel-specific signal "NC Start possible" has been set in all the channels of the
relevant mode group after NC Stop.
6.1.2

NC configuration

The configuration can be defined during installation and in some cases during operation (warm
restart). See also "Flexible memory configuration" function.
With the basic software scope a total of five axes, main spindles or auxiliary spindles can be
controlled with SINUMERIK 840C. If analog drives systems are used, one servo loop module is
required for every three axes, main spindles or auxiliary spindles and must be ordered
separately.
Number of axes + number of spindles = 15 (up to SW 4)
30 data blocks are available for axes and 6 data blocks are available for spindles.
Every axis can be used either as a linear axis or as a rotary axis.
Number of axes + number of spindles = 30 (as from SW 5)
Up to 30 servo loops (measuring circuits) can be defined (611D).
Example:
30 axes or 24 axes plus 6 spindles/18 axes plus 6 spindles plus 6 C axes
No fictitious axes can be defined in addition to the 30 "Axes". The limitation to max. 15 real
axes or spindles (axes/spindles with servo loops) for analog drives still applies.
6–2
©
Siemens AG 1992 All Rights Reserved
09.95
6FC5197- AA50
SINUMERIK 840C (IA)

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