Positioning Axis Metric With Handwheel Override - Siemens SINUMERIK 840D sl Function Manual

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Positioning axis inch with handwheel override

PLC → NCK control signals

Shortest distance

Direction of rotation as for M4

Absolute, negative direction

Absolute, positive direction

Traversing dimension inch

Handwheel override

Setpoint position/setpoint distance

Feedrate velocity

Basic Functions

Function Manual, 01/2015, 6FC5397-0BP40-5BA2

First function activation using positive edge of

Positioning axis active = 1 shows that the function is active and that the output signals are valid,

Position reached and Axis stationary are possibly withdrawn.

Positive acknowledgement

Reset of function activation after receipt of acknowledgment

Signal change via function

Positioning is interrupted by delete distance to go, signal duration min. 1 PLC cycle.

Position reached and Error are reset, the Error number can be read (in this case,

Position reached = 1 and Positioning axis active = 1

Only one of the bits must be set, if all bits are 0, then this

means absolute positioning.

Traversing dimension inch

for "incremental": Setpoint distance

if = 0, the value is taken from machine data POS_AX_VE‐

LO (unit as set in machine data).

P4: PLC for SINUMERIK 828D

14.6 Function interface

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Sinumerik 828d Sinumerik 840de sl