Interface plc <˘> nc operating system – Lenze ETC Motion Control User Manual

Page 256

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Interface PLC <˘> NC operating system

Definitions
Data block 1

5

5.1
5.1.2

l

256

EDSTCXN EN 2.0

Data word

Name

Direction

Type of signal

042.00−043.15

Offset of the "fast inputs"

PLC

NC

static

Use the two data words to position the 2 masks "Enable fast inputs" to any
place in the process image.

Effect in the NC: The corresponding inputs are made available to the NC as
Q bits.

Example: see "Enable of fast inputs"

Data word

Name

Direction

Type of signal

044.00−045.15

Offset of the "fast outputs"

PLC

NC

static

Use the two data words to position the 2 masks "Enable fast outputs" anyw-
here in the process image. By default, the enable of the "fast outputs" affects
the 1st digital I/O card (EC−IO).

Effect in the NC: The Q bits are transferred to the corresponding outputs.

Data word

Name

Direction

Type of signal

080

General override for axes

PLC

NC

static

081

Override for spindle speed

PLC

NC

static

082

Override for oscillation speed

PLC

NC

static

083

Override for PLC axes (Target
position approach)

PLC

NC

static

Definition of a signed evaluation factor for the currently valid traversing
speed. The specification is made in steps of 0.1 %.

Effect in the NC: The selected value is used as factor for evaluating the cur-
rently programmed maximum speed by the rough interpolator.

The override is effective in manual as well as automatic operation. It can be
inhibited by M functions within a program (M48/M49 override on/off).

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