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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 />

HEDENHAIN<br />

<strong>DR</strong> <strong>JOHANNES</strong> HElDEN”AlN GnlbH<br />

D-~3292Traunreut.~(O8669) 31-O<br />

8.6.2 Connection Schematic of the PLC Power Supply<br />

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

Issue: 01.09.1995<br />

Page 41<br />

F3.151\<br />

+%“a<br />

+24v to internal<br />

PLC<br />

The PLC outputs 00 to 023 are supplied via X44/pin 1 (24V can be switched off) and can be reset by an<br />

external emergency stop.<br />

The PLC outputs 024 to 030 are supplied via X44/pin 2 (24V cannot be switched off) and cannot be reset<br />

by an external emergency stop.<br />

However, all PLC outputs can be reset by an internal emergency stop (e.g. GROSS POSITIONING ERROR<br />

XY).<br />

(The voltage at X44/pin 2 must be connected, as it is used for the internal power supply of the PLC board and<br />

the graphics board.)

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