HEIDENHAIN TNC 426 PB/M Technical Manual page 674

Table of Contents

6.14.2 Machine Operating Panel

On socket X46 there are 25 PLC inputs (I128 to I152) and eight PLC outputs

(O0 to O7) for evaluating the keys on the machine operating panel.

You can activate specific functions by linking the PLC inputs with the

corresponding markers and words.

You can store the pressing of an axis-direction button:

With MP7680 bit 0, enable the memory function.

Use M4562 to save a depressed axis direction key. This means that the axis

will move until there is an NC STOP.

Machine parameter with multiple function

%xxxxxxxxxxxxx

Bit 0 – Memory function for axis-direction keys with M4562:

0: Not saved

1: Saved if M4562 is set

Manual traverse in positive direction

Bits 0 to 8 correspond to axes 1 to 9:

0: Do not move axis

1: Move axis

Manual traverse in negative direction

Bits 0 to 8 correspond to axes 1 to 9:

0: Do not move axis

1: Move axis

Memory function for axis direction

keys (MP7680 bit 0 = 1)

NC stop (0: Stop)

Rapid traverse

NC start via LSV2

NC stop via LSV2

HEIDENHAIN Technical Manual TNC 426, TNC 430