Boundary Conditions; Function-Specific Boundary Conditions; Geometry Axes; Boundary Conditions For Standard Functions - Siemens sinumerik 840D sl Function Manual

Boundary conditions

3.1

Function-specific boundary conditions

3.1.1

Geometry axes

The switching positions can only be determined via the programmed traversing movements
of the geometry axes in the 1st channel. The following alarm appears if there are no
geometry axes in the 1st channel:
• Interrupt: "75500 channel
3.2

Boundary conditions for standard functions

3.2.1

Block search

Description
If a block search is carried out for a part program block designed to activate the
technological function following a CC_FASTON( ) procedure call, the switching signal is
activated with the next traversing movement. One of the specific consequences of this is to
initiate travel along the contour from the start position of the geometry axes back to the
program continuation point with an activated switching signal.
Example
• Normal process: In the normal process of the part program machining, the switching
Special functions: Cycle-Independent Path-Synchronous Signal Output (TE8)
Function Manual, 11/2006, 6FC5397-2BP10-2BA0
independent switching signal output"
signal is activated for the first time at the beginning of part program block N60.
channel number
, incorrect function configuration: clock-
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