Detailed Description
2.3 Feedrate control
Feeds (V1)
Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
2-33
2.3.6 Multiple feedrate values in one block
Application
The functionality described in the following is used primarily for grinding, but is not restricted
to it.
References:
/FB/ Description of Functions, Extensions; Grinding (W4)
/FB/ Description of Functions, Extensions; Oscillation (P5)
Functionality
The function "Multiple feedrates in one block" can be used to activate 6 different feedrate
values of an NC block, a dwell time or a retraction motion synchronously, depending on the
external digital and/or analog inputs.
Retraction
Retraction by the programmed amount is initiated in the IPO cycle.
Signals
The HW input signals are combined in one input byte for the function "Multiple feedrate in
one block". A permanent functional assignment applies within the byte:
Table 2-1 Input byte for "Multiple feedrates in one block"
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Input no.
I7 I6 I5 I4 I3 I2 I1 I0
Feedrate address
F7 F6 F5 F4 F3 F2 ST SR
I7 to I2
Activation of feedrates F7 to F2
I1
Activation of dwell time ST (in seconds)
I0
Activation of retraction motion SR
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