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iTNC 530






MC main computer

CC controller unit

TE operating panel (suitable for screens with 15.1 or 19 inches)

BF color TFT flat-panel display with soft keys (15.1 or 19 inches)

Operating system

HEROS real-time operating system for machine control

NC program memory

RAM memory: 2 GB

In version with HDR hard disk: approx. 144 GB

In version with SSDR solid state disk: approx. 21 GB

Input resolution and display step

Linear axes: up to 0.1 µm

Angular axes: to 0.000 1°

Input range

Maximum 99 999.999 mm (3.937 inches) or 99 999.999°










Linear in 4 axes

Linear in 5 axes (subject to export permit)

Circular in 2 axes

Circular in 3 axes with tilted working plane

Helical: superimposition of circular and straight paths

Spline: execution of splines (3rd degree polynomial)

Block processing time

0.5 ms (3-D straight line without radius compensation)

Axis feedback control

Position loop resolution: Signal period of the position encoder/1024

Cycle time of position controller: 200 µs

Cycle time of speed controller: 200 µs

Cycle time of current controller: minimum 50 µs

Range of traverse

Maximum 100 m (3937 inches)

Spindle speed

Maximum 60 000 rpm (with 2 pole pairs)

Error compensation


Linear and nonlinear axis error, backlash, reversal spikes during circular movements, hysteresis, thermal expansion

Static friction, sliding friction

Data interfaces










One each RS-232-C/V.24 and RS-422/V.11, max. 115 Kbps

Extended data interface with LSV2 protocol for remote operation of the iTNC 530 over the data interface with the HEIDENHAIN software TNCremo or TNCremoPlus

2 x Gigabit Ethernet interface 1000BASE-T

4 x USB (1 x front USB 2.0; 3 x rear USB 3.0)

HEIDENHAIN-DNC for communication between a Windows application and iTNC (DCOM interface)


Fast and simple troubleshooting through integrated diagnostic aids

Ambient temperature

Operation: 0 °C to +50 °C

Storage: –20 °C to +60 °C