May 13, 2026

Product Specification – DF900676-C0

DF900676-C0 is a dedicated functional circuit board designed for Yaskawa Yasnac CNC systems. It is responsible for system internal bus communication, signal conditioning, logic control and peripheral interface matching. With industrial-grade component layout and optoelectronic isolation design, it can adapt to harsh industrial workshop electromagnetic environment, support long-term continuous operation of CNC host, and ensure stable data transmission and normal coordination of each module.

Description

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Product Specification – DF900676-C0

1. General Information

Manufacturer: Yaskawa Electric / Yasnac
Part Number: DF900676-C0
Product Type: CNC system industrial PCB control board
Applicable System: Yasnac M64, M65, i80, i100 series CNC controller
Product Status: Discontinued legacy spare part, mainly used for CNC machine tool maintenance and one-to-one replacement

2. Product Overview

DF900676-C0 is a dedicated functional circuit board designed for Yaskawa Yasnac CNC systems.

It is responsible for system internal bus communication, signal conditioning, logic control and peripheral interface matching. With industrial-grade component layout and optoelectronic isolation design, it can adapt to harsh industrial workshop electromagnetic environment, support long-term continuous operation of CNC host, and ensure stable data transmission and normal coordination of each module.

3. Main Functions

Internal CNC system bus data transmission and signal interaction
Analog and digital signal conditioning, filtering and amplification processing
System interlock logic and auxiliary control signal operation
Peripheral sensor, actuator and interface signal conversion
Hardware self-check, fault detection and alarm feedback output
Optocoupler isolation for input and output signals to improve anti-interference performance

4. Electrical & Environmental Parameters

Working Power: DC 5V / DC 24V
Isolation Design: Built-in photoelectric isolation circuit
Operating Temperature: 0℃～+45℃
Storage Temperature: -20℃～+65℃
Relative Humidity: 5%～85%RH, non-condensing
Vibration Resistance: Industrial standard 0.5g, 10Hz～60Hz
Characteristic: ESD sensitive device, anti-static operation is required during disassembly and installation

5. Compatibility & Replacement Notes

Applicable Equipment: Yasnac M64, M65, i80, i100 series CNC lathes, machining centers and automation equipment
Replacement Rule: Must adopt the same model DF900676-C0 for one-to-one replacement
Installation: Cut off the total power supply before operation, strictly take anti-static protection measures
Attention: Prohibit hot plugging of connectors; inconsistent version may cause system startup abnormality or module communication failure.

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