Overview Of Operands - HEIDENHAIN TNC 426 PB/M Technical Manual

Table of Contents

7.2 Operands

7.2.1 Overview of Operands

Address range

M0 to M999 free, are deleted only after entry of the

code number 531210, not by a reset.

M1000 to M3999 free, are deleted upon reset M4000

to M4999 reserved for NC/PLC interface

I0 to I31 (LE); I128 to I152 (machine operating

panel) I64 to I127 (first PL input/output board)

I192 to I255 (second PL)

I256 to I319 (third PL)

I320 to I383 (fourth PL)

O0 to O30 (LE)

O32 to O62 (first PL)

O64 to O94 (second PL)

O128 to O158 (third PL)

O160 to O190 (fourth PL)

Set counter: C0 to C31

Counter contents: C48 to C79

Counter pulse release: C96 to C127

Timer start: T0 to T47

Timer is running: T48 to T95 and T96 to T303

B0 to B4095 (8 bits)

B0 to B127 free, are deleted only after entry of the

code number 531210, not with a reset

B128 to B2047 reserved for NC/PLC interface

B2048 to B4095 free, are deleted by a reset.

-2 147 483 647 to +2 147 483 647

HEIDENHAIN Technical Manual TNC 426, TNC 430