May 13, 2026

Product Specification – DF8203498-B0

DF8203498-B0 is a core operator interface control board specially designed for Yaskawa Yasnac CNC systems. It acts as the bridge between the CNC main controller and the machine operation panel. The board is responsible for keyboard matrix scanning, key input signal decoding, LED status indication drive, display signal transmission, and processing safety interlock signals from the operator panel. It communicates with the CNC main board through the internal system bus, realizing human-machine operation input, system status display and machine auxiliary signal interaction.

Description

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Product Specification – DF8203498-B0

1. General Information

Part Number: DF8203498-B0
Alternative Model: JANCD-SP21 / JANCD-OP21 Series
Manufacturer: Yaskawa Electric (Yasnac CNC)
Product Type: Operator Panel Keyboard & Display Control PCB Board
Applicable System: Yasnac M64, M65, i80, i100 Series CNC Controller
Product Condition: Discontinued legacy industrial PCB, used for CNC equipment maintenance and direct replacement

2. Product Overview

DF8203498-B0 is a core operator interface control board specially designed for Yaskawa Yasnac CNC systems.

It acts as the bridge between the CNC main controller and the machine operation panel. The board is responsible for keyboard matrix scanning, key input signal decoding, LED status indication drive, display signal transmission, and processing safety interlock signals from the operator panel.

It communicates with the CNC main board through the internal system bus, realizing human-machine operation input, system status display and machine auxiliary signal interaction.

3. Main Functions

Keyboard matrix scanning and key signal recognition & decoding
Collecting and transmitting manual operation button signals of machine panel
Driving multi-channel LED status lights and alarm indicator lights
Conversion and transmission of display interface control signals
Processing safety signals such as emergency stop, cycle start and feed hold
System internal bus communication and data interaction
Signal opto-isolation and anti-interference processing for industrial environment
Self-detection of panel circuit and fault status feedback

4. Technical Specifications

Working Power Supply: DC 5V (supplied by CNC power rack)
Signal Isolation: Optocoupler isolation design for input and output signals
Operating Temperature: 0℃ ~ +45℃
Storage Temperature: -20℃ ~ +65℃
Relative Humidity: 5% ~ 85% RH, non-condensing
Vibration Resistance: 0.5g, 10Hz ~ 60Hz (industrial standard)
Component Characteristic: ESD sensitive; anti-static operation required all the time

5. Compatible Applications

Suitable for Yasnac M64, M65, i80, i100 series CNC lathes, machining centers and other CNC machine tools
Used for replacement and maintenance of faulty operator panel control board

6. Installation & Replacement Notes

Cut off the total power of CNC system before disassembly and installation.
Must use anti-static wrist strap and anti-static mat to avoid electrostatic damage to electronic components.
Adopt one-to-one replacement with the same model DF8203498-B0.
Plug-and-play design, no need for program burning or additional parameter setting after replacement.
Forbid hot swapping connectors to prevent circuit board chip burnout.

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