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Interface PLC <˘> NC operating system

Definitions

Data block 1

5.1

5.1.2

265

EDSTCXN EN 2.0

Data word Name Direction Type of signal

160 H function NC → PLC Message

The data word contains the number of the H function in binary representa-

tion. For the description on the acceptance of an H function, refer to the "Pro-

gramming instructions".

Effect in the PLC: Execution of the function specified via the H function. Read

enable is activated after the function has been completed or at another sui-

table point in time.

Data word Name Direction Type of signal

177.00−15 Home position approached NC → PLC static

The signal has the value "1" if a home position approach has been carried out

successfully and the value "0" after the control has been switched on and if

the home position is unknown.

Effect in the PLC: Checking the home position approach and disabling ma-

chine functions or traversing movements (feed enable) if the home position

is not approached.

Data word Name Direction Type of signal

178.00−15 Limit switch + active NC → PLC static

The signal has the value "1" if the positive limit switch of an axis is active,

otherwise value "0".

Effect in the PLC: Disabling machine functions or traversing movements

(feed enable).

Data word Name Direction Type of signal

179.00−15 Limit switch − active NC → PLC static

The signal has the value "1" if the negative limit switch of an axis is active,

otherwise value "0".

Effect in the PLC: Disabling machine functions or traversing movements

(feed enable).

Data word Name Direction Type of signal

180.00−15 Reference switch active NC → PLC static

The signal has the value "1" if the reference switch of an axis is active, other-

wise value "0".

Effect in the PLC: If required, man. execution of homing via the PLC.

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ama 11 Jan 2025 | 19:35:39

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Lenze ETC Motion Control Manual do Utilizador Página 265