Yaskawa JANCD-1021 I/O Control Board

Technical Specifications

Model:JANCD-1021 (DF8202440)

Brand:Yaskawa

Product type:Yasnac CNC digital I/O control PCB board

Power supply:DC24V

Control function:112-point digital input collection,68-point digital output drive,machine safety interlock signal processing,auxiliary equipment logic control

Communication:System backplane bus

Mounting:Rack mount

Operating temperature:0~55℃

Relative humidity:5~95% non-condensing

Weight:0.45kg

Certification:CE

System compatibility

JANCD-1021 belongs to Yaskawa Yasnac MX3 CNC controller family,matched with Yasnac MX3 old CNC systems. Widely used in vintage CNC lathes,milling machines and machining centers. This is a discontinued legacy I/O board for old machine tool maintenance spare replacement.

Function

JANCD-1021 serves as high precision CNC I/O control board. It collects digital signals from limit switches,door safety interlock,pressure sensors and other field components,outputs switching signals to control relays,hydraulic valves,coolant pumps and other auxiliary actuators. It adopts opto-coupler isolation design to separate CNC internal circuit and field wiring. Built-in surge and ESD protection circuit to resist workshop interference. It handles machine auxiliary logic and safety interlock for Yasnac MX3 CNC machine tools.

Installation

Mount JANCD-1021 inside CNC controller cabinet. Complete backplane bus and field wiring according to wiring drawing. Backup CNC parameters before replacement,verify all input and output signal response after power-up.

Interface

‑System backplane bus multi-pin connector

‑Field I/O signal terminals

‑LED status indicator pins

‑Onboard opto-isolation and signal protection circuit

Circuit feature

Compact rugged PCB layout,equipped with surge and ESD suppression circuit. Stable signal transmission,strong anti-interference performance for industrial cabinet environment.

Feature

JANCD-1021 is obsolete Yaskawa Yasnac series spare part. Typical failures include optocoupler burnout,terminal pin oxidation,partial signal missing. Check board integrity and connector pins before replacement. This board must match corresponding Yasnac MX3 CNC controller,direct substitution without I/O function test is not recommended.

Diagnostic

When input signal loss,output no response or safety interlock alarm occurs,the board triggers corresponding alarm codes and sends fault signal to CNC main controller.

Built‑in function

Field digital signal acquisition,opto-isolation signal conversion,auxiliary output driving,machine safety interlock processing,I/O channel fault monitoring,used as Yasnac CNC I/O control board spare replacement.

Product Brief

JANCD-1021 (DF8202440) is Yaskawa Yasnac MX3 CNC series digital I/O board for CNC machine tools and precision automation equipment. Confirm CNC controller model matching before ordering. ESD protection required during handling and installation.