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Service Manual TNC 407 / TNC 415 - heidenhain - DR. JOHANNES ...

Service Manual TNC 407 / TNC 415 - heidenhain - DR. JOHANNES ...

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Kundendienst<br />

HEIDENHAIN<br />

<strong>DR</strong>JOWNES HEIDENHAIN Gmbtl<br />

D-83292Traunreut .%%‘(08669) 31-O<br />

19.8 Exchanging the PLC l/O Board PL 400<br />

a) Switch off the main switch.<br />

b) Loosen the plug connections and the screw terminals at the PLC I/O board<br />

SERVICE MANUAL <strong>TNC</strong> <strong>407</strong>/<strong>415</strong><br />

Issue: 01.09.1995<br />

Page 105<br />

Pry apart the terminal<br />

clamp using a screwdriver<br />

c) Loosen the screws from the cover of the PLC I/O board, remove cover and disconnect the connecting cable<br />

to the PLC board from the PLC I/O board.<br />

Loosen cable strap<br />

disconnect the<br />

Loosen screws

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