T Function; D Function; H Function - Siemens SINUMERIK 802D sl Function Manual

9.6.2

T function

Application
The T function can be used to make the tool required for a machining operation available
through the PLC. Whether a tool change is to be performed directly with the T command or
with a subsequent M6 command can be set in MD22550 TOOL_CHANGE_MODE.
The programmed T function can be interpreted as tool number or as location number.
Scope of functions
One T function per part program block is possible.
Peculiarity
T0 is reserved for the following function: remove the current tool from the tool holder without
loading a new tool.
9.6.3

D function

The D function is used to select the tool offset for the active tool. Tool offsets are described
in detail under:
Reference:
/BP_/ Operation and Programming
9.6.4

H function

Application
The H functions can be used to transfer different values from the part program to the PLC.
The meaning can be chosen by the user.
Scope of functions
● Three H functions per part program block are possible.
● Value range of the H functions: Floating data (as calculating parameter R)
● Address extension 0 to 99 (H0=... to H99=...) possible
Turning, Milling, Nibbling
Function Manual, 11/2012, 6FC5397-1CP10-5BA0
Auxiliary Function Outputs to PLC (H2)
9.6 Description of the auxiliary functions
163