Siemens SINUMERIK 840D sl Programming Manual

Application
For machine tools with chain, rotary-plate or plane magazines.
Syntax
Selecting a tool
T<No>
T=<No>
T<n>=<No>
Tool change
M6
Deselecting a tool
T0
T0=<No>
Meaning
T: Address for the tool selection
<n>: Spindle number as address extension
Note:
The possibility of programming a spindle number as an address extension depends on the
configuration of the machine (→ see machine manufacturer's specifications).
<No>: Number of the tool
Range of val‐
ues:
0 ... 32000
M6: M function for the tool change (according to DIN 66025)
M6 activates the selected tool (T…) and the tool offset (D...).
T0: Deselecting the active tool
Example
Program code Comment
N10 T1 M6 ; Loading of tool T1.
N20 D1 ; Selection of tool length compensation.
N30 G1 X10 ... ; Machining with T1.
...
N70 T5 ; Preselection of tool T5.
N80 ... ; Machining with T1.
...
N100 M6 ; Loading of tool T5.
N110 D1 G1 X10 ... ; Machining with tool T5
...
Fundamentals
2.4 Tool change
NC programming
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Siemens SINUMERIK 840D sl Specifications

General

Control Type	CNC
Number of Axes	Up to 31
Max Number of Channels	10
Interfaces	Ethernet, PROFIBUS, PROFINET, USB
Interpolation	5-axis interpolation
Operating Temperature	0°C to 45°C
Relative Humidity	Up to 95% (non-condensing)
Display	TFT color display, various sizes
Programming Languages	DIN/ISO
Safety Features	Safety Integrated
PLC	Integrated PLC S7-300
Drive Interface	SINAMICS S120
Data Storage	CF card, USB
Operating System	Windows-based