Detailed Description
2.8 Help function output to PLC (H2)
Basic logic functions: NC/PLC interface signals (Z1)
76
Function Manual, 11/2006, 6FC5397-0BP10-2BA0
DB21, ...
DBB98 - DBB115
S functions 1 to 3
Extended address S functions 1 to 3
Edge evaluation: no
Signal(s) updated: Jobcontrolled by NCK
Signal state 1 or
edge change
0 → 1
Up to 3 S functions programmed in an NC block are simultaneously made available here as soon
as the S change signals are available.
Value range of the spindle speed: 0 to 999 999; integer number
Value range of the extended address: 0 to 6; integer number
The S functions remain valid until they are overwritten by new S functions.
Signal state 0 or
edge change
1 → 0
•
After the PLC has ramped-up.
•
All help functions are deleted before a new function is entered.
Application
example(s)
Spindle speed control by the PLC.
The extended address is used to program for which spindle the S word is valid.
e.g.: S2=500
DB21, ...
DBB118, DBB119
T function 1
Edge evaluation: no
Signal(s) updated: Jobcontrolled by NCK
Signal state 1 or
edge change
0 → 1
The T function programmed in an NC block is made available here
as soon as the T change signal is available.
Value range of T functions: 0 to 99 999 999; integer number
The T function remains valid until it is overwritten by a new T function.
Signal state 0 or
edge change
1 → 0
•
After the PLC has ramped-up.
•
All help functions are deleted before a new function is entered.
Application
example(s)
Control of automatic tool selection.
Special cases,
errors, ......
With
T0
, the current tool is removed from the tool holder but not replaced by a new tool (default
configuration of the machine manufacturer).
DB21, ...
DBB129
D function 1
Edge evaluation: no
Signal(s) updated: Jobcontrolled by NCK
Signal state 1 or
edge change
0 → 1
The D function programmed in an NC block is made available here
as soon as the D change signal is available.
Value range of D functions: 0 to 999; integer number
The D function remains valid until it is overwritten by a new D function.
Signal state 0 or
edge change
1 → 0
•
After the PLC has ramped-up.
•
All help functions are deleted before a new function is entered.
Application
example(s)
Implementation of protective functions.
Special cases,
errors, ......
D0
is reserved for deselecting the current tool offset.
Summary of Contents for SINUMERIK 840D sl
Page 282: ...Index Basic logic functions Acceleration B2 64 Function Manual 11 2006 6FC5397 0BP10 2BA0 ...
Page 388: ...Basic logic functions Travel to fixed stop F1 Function Manual 11 2006 6FC5397 0BP10 2BA0 52 ...
Page 962: ...Index Basic logic functions Emergency Stop N2 20 Function Manual 11 2006 6FC5397 0BP10 2BA0 ...
Page 1704: ...Constraints Basic logic functions Spindles S1 94 Function Manual 11 2006 6FC5397 0BP10 2BA0 ...
Page 1716: ...Index Basic logic functions Spindles S1 106 Function Manual 11 2006 6FC5397 0BP10 2BA0 ...
Page 1996: ...Index Basic logic functions Tool Offset W1 208 Function Manual 11 2006 6FC5397 0BP10 2BA0 ...
Page 2150: ...Table of contents Basic logic functions Appendix 4 Function Manual 11 2006 6FC5397 0BP10 2BA0 ...
Page 2184: ...Glossary Basic logic functions Appendix 38 Function Manual 11 2006 6FC5397 0BP10 2BA0 ...