Function Manual
01/2017
71
Activate handwheel (2, 1)
Traversing keys plus or minus
Machine function INC1 up to continuous in axis range
Activated fixed-point approach in JOG (binary coded: fixed point 1 to 4)
Position reached with coarse/fine exact stop
Traverse command plus or minus
Active machine function INC1 to continuous
Fixed-point approach in JOG active (binary coded)
DB390x.DBX1001 .3 to .5 Fixed point reached (binary coded)
Auxiliary function outputs to PLC (H2)
9.1
Brief description
Auxiliary functions
For the purpose of workpiece machining operations, it's possible to program process-related functions (feedrate, spindle
speed, or gear stages) and functions for controlling additional devices on the machine tool (sleeve forward, gripper open,
clamp chuck) in the part program in addition to axis positions and interpolation methods. This is performed with the "auxiliary
functions" as collective term for various types.
The following types of auxiliary functions are available:
● Miscellaneous function M
● Spindle function (S)
● Auxiliary function (H)
● Tool number T
● Tool offset D
● Feed F (for the SINUMERIK 808D/SINUMERIK 808D ADVANCED, there is no output from F to PLC)
Output of auxiliary functions to PLC
The auxiliary function output sends information to the PLC indicating, for example, when the NC program needs the PLC to
perform specific switching operations on the machine tool. The auxiliary functions are output, together with their parameters,
to the PLC.
The values and signals must be processed by the PLC user program. The following section describes the various methods
of configuring and programming auxiliary functions as well as their operating principles.
Auxiliary function groups
Auxiliary functions can be combined to form groups.
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