Siemens SINUMERIK 840C Operator's Manual page 45

2 Operator Interface
INC function
Table 2-3 Overview - Submode INC
Key symbol
Spindle override
switch
2-16
Definition
Increment mode with variable
step size (setting data).
Increment mode with fixed step
size of 1 increment
Increment mode with fixed step
size of 10 increments
Increment mode with fixed step
size of 100 increments.
Increment mode with fixed step
size of 1000 increments.
Increment mode with fixed step
size of 10 000 increments.
The increment size depends on the display resolution that has been set.
The INC functions can be activated in conjunction with the following modes:
• JOG mode
• TEACH IN mode
• The rotary switch with 16 notched positions enables you to reduce or
increase the programmed spindle speed S (corresponds to 100%).
• A machine data determines whether the spindle override switch is active,
i.e. it is determined by the machine manufacturer.
• The set spindle speed value S is displayed as an absolute value in % on the
screen.
Control: 50% to 120% of the programmed spindle speed
Step size: 5% from position to position
Machine manufacturer
The given step size and the control range are valid for standard machine data
(MD). These can be altered by the machine tool manufacturer to suit a specific
application!
6FC5198-6AA60-0BP1
Designation of function
INC VAR
Incremental Feed variable
INC
Incremental Feed
© Siemens AG 1999 All Rights Reserved
SINUMERIK 840C, OEM Version for Windows (BA)
01.99