Activation Of Function - Siemens SINUMERIK 840C Installation Instructions Manual

12 Functional Descriptions
12.19.4 Temperature compensation TC
Data format of user DB
• Length in words:
• Axis number:
• Absolute TC value K
• Coefficient tan ß:
The following table gives an example description of the data format of tan ß
ß
30
45
-30
-45
• Reference point P
The values K
followed by a fixed-point format conversion.
12.19.4.4
• TEMPERATURE COMPENSATION option must be available.
• Transmission of applicable compensation values via command channel to the NC
(cyclically or as a function of the NC PLC interface). Please refer to Interface Description,
Part 1, Signals, for more detailed description of command channel.
Caution:
Since the compensation values are immediately included in the calculation for the position
control, the surface quality may suffer if an axis is traversing and the change in compensation
value between two transmissions is too large.
12–190
More user manuals on
Always value 7 in KF format
Values 1 to 30 in KF format
: With sign, in units (MS), in KF format
TCabs
(value range ±1 073 741 823)
With sign, with significance 2
(value range -1....+1)
tan ß (tan ß) · (2
0 0
0.577
1
-0.577
-1
: With sign, in units (MS), in KF format
0
(machine reference system, value range ±1 073 741 823)
, tan ß and P can be entered as the result of a floating-point calculation,
TCabs 0

Activation of function

ManualsBase.com
-31
in KF format
31
–1)
(dec.)
0
1 239 850 262
2 147 483 647
-1 239 850 262
-2 147 483 647
© Siemens AG 1992 All Rights Reserved
09.95
31
(tan ß) · (2 –1)
(hex.)
0000:0000
49E6:9D16
7FFF:FFFF
B619:62EA
8000:0001
6FC5197- AA50
SINUMERIK 840C (IA)