CPUB01-01
May 26, 2026

CPUB01-01

CPUB01-01 (Indramat / Rexroth old model MTX CPU motherboard, hardware V2 version) Brand: Indramat (a subsidiary of Bosch Rexroth) Model: CPUB01-01 Commonly known as: MTX system V2 version CPU motherboard, rack-mounted numerical control core card Part Number: 257326 A00 (printed on the board)

Description

I. Model Explanation (Compared with CPUB01-00)

CPUB: CPU Board (Processor Board)

01: Main hardware version V1 architecture

01: Secondary hardware version V2 (Upgraded revision)

CPUB01-00: V1 version (Initial version, old firmware)

CPUB01-01: V2 version (Fixed bugs, optimized power supply / anti-interference, compatible with new firmware)

II. Core Hardware Specifications (Upgrade Points for V2 Version)

Form: 19-inch standard rack card (Fully compatible and interchangeable with 00)

Processor: 32-bit dedicated motion control CPU (Same computing power as 00, stronger stability)

Memory / Storage: Built-in DRAM + Flash (Same capacity as 00, improved read/write reliability)

Number of Control Axes: Maximum 32 axes, 4 NC channels

Communication Interfaces:

SERCOS I optical fiber (Connects to IndraDrive servo)

Parallel I/O bus

RS232 debugging port

Electrical: DC24V; Optimized power circuit, stronger surge / anti-static resistance

Environment: 0°C to +50°C; Resistant to 1g vibration, 15g shock

LEDs: Power, operation, fault, SERCOS status LED

III. Key Differences between 00 and 01 (Must be noted for maintenance / replacement)

CPUB01-00 (V1): Early production, outdated firmware, weak anti-interference, prone to overheating; Production has been halted.

CPUB01-01 (V2): Hardware upgrade + firmware optimization, resolves common issues of 00 system crashes / shaft drops; directly replace 00 without rewiring / resetting

Firmware compatibility: 01 can install 00 firmware; 00 does not support some new function firmware

IV. System and Application Compatibility

Compatible systems: Indramat MTX100/200 older numerical control systems

Driver compatibility: DKS, DSK, DKC series SERCOS servo

Typical scenarios:

Older machines / milling / grinding machines, machining centers

Textile, printing, rubber and plastic multi-axis synchronous equipment

Preferred replacement option (00 is discontinued, 01 is the direct substitute)


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