beautypg.com

Generator on/off (m36/m37) – HEIDENHAIN TNC 306 Technical Manual User Manual

Page 196

background image


4-96

TNC 406/TNC 306

7 M-functions

2/97

7.1 Generator ON/OFF (M36/M37)

The generator and gap control are switched on and off with M36 and M37. Both M-functions are
evaluated in the PLC program (M2045 is the M function/signal, the M function is stored under Word
W260).
With M-function M36 the gap control is switched on with M37 switched off.
The markers M2618 and the complementary marker M2619 activates also the status display M36,
or M37.
If eroding process is active, marker M2785 is set.

Before M36 is evaluated by the PLC, marker M2798 (set by the NC) need to be feedback by the PLC
(see section 4.7).

Set

Reset

M2618 = 1
M2619 = 0

Gap control on, M36 displayed

PLC

PLC

M2618 = 0
M2619 = 1

Gap control off, M37 displayed

PLC

PLC

M2785

Eroding process active

NC

NC

This manual is related to the following products: