Description

HEIDENHAIN MC422C (587929-01)
MC422C 587929-01 is the main computer unit (Hauptrechner) provided by Germany’s HEIDENHAIN (Heidhan) for the iTNC 530 high-end numerical control system. It is the core control hardware of the machine tool and is responsible for numerical control operations, PLC logic, and axis control.

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Basic Information
Brand: HEIDENHAIN (Germany)
Model: MC422C
Order Number/ID: 587929-01 (Common variants: 587931/587932/587934-01)
Type: iTNC 530 System Main Controller (Single Processor)
Compatible System: iTNC 530 CNC System (Milling / Machining Center)
Core Hardware Specifications
CPU: Intel Pentium III 800 MHz (Single Processor)
Memory: 512 MB RAM
Display Interface: TFT XGA (1024×768) Color Screen
Position Feedback: 10 channels 1Vpp/EnDat raster input (X1–X5, X35–X38, etc.)
Axis Control: Up to 10–12 control loops (paired with CC422/CC424 Driver Units)
Analog Input: 3× ±10 V Input, 3× PT100 Temperature Input
Communication Interfaces:
Ethernet (10/100 Mbps)
RS-232, RS-422 Serial Ports

USB Interface
Integrated PLC: Built-in Heidenhain PLC, compatible with iTNC 530 Ladder Diagram
Physical and Environmental
Dimensions (Length × Width × Height): 470 × 300 × 100 mm
Weight: Approximately 3.5 kg
Installation: Standard machine frame installation for machine control cabinet
Temperature: 0°C ~ +50°C (Industrial Grade)
Certifications: CE, UL, CSA
Typical application
High-end milling machines, machining centers, 5-axis联动machines
Mold manufacturing, aerospace, precision mechanical processing
Replace the old MC422B controller and upgrade to the iTNC 530 system