Yaskawa DF8203751-A0 Servo Control Board

Technical Specifications

Model:DF8203751-A0 (JANCD-SV04B)

Brand:Yaskawa

Product type:Servo drive control PCB board

Power supply:DC24V

Control function:Current loop calculation,servo signal processing,feedback sampling

Communication:Mechatrolink bus

Mounting:Rack mount

Operating temperature:0~55℃

Relative humidity:5~95% non-condensing

Weight:0.57kg

Certification:CE

System compatibility

DF8203751-A0 belongs to Yaskawa SR servo family,matched with CACR-SR series servo drives and corresponding servo motors. Widely used in chip mounters,precision X-Y positioning platforms and special automation equipment. This is a discontinued legacy servo control board for old production line maintenance spare replacement.

Function

DF8203751-A0 serves as high precision servo control board. It executes current loop algorithm and encoder feedback signal processing,receives motion command from upper motion controller via Mechatrolink bus. Built-in multi-level hardware protection to safeguard servo drive and motor. It supports high-speed current sampling and real-time torque control.

Installation

Mount DF8203751-A0 inside servo drive unit. Complete backplane and feedback wiring according to wiring drawing. Configure servo parameters via Yaskawa servo software.

Interface

‑Encoder feedback signal connector

‑Mechatrolink bus communication port

‑Digital I/O terminal block for alarm and enable signal

‑Onboard high-speed sampling and processing circuit

Circuit feature

Compact rugged PCB layout,equipped with surge and ESD suppression circuit. Fast signal sampling response,strong anti-interference performance for industrial cabinet environment. Standard factory firmware preloaded.

Feature

DF8203751-A0 is obsolete Yaskawa SR series servo spare part. Typical failures include PCB damage,encoder port breakdown,signal sampling failure. Check board integrity before replacement. This board must match corresponding CACR-SR servo drive,direct substitution without parameter validation is not recommended.

Diagnostic

When encoder feedback loss,communication failure or overcurrent occurs,the board triggers corresponding alarm codes and sends fault signal to upper controller.

Built‑in function

Real-time current loop control,encoder feedback signal processing,system fault monitoring,multi-level hardware protection for servo motion system,used as servo drive control board spare replacement.

Product Brief

DF8203751-A0 (JANCD-SV04B) is Yaskawa SR series servo drive control board for dedicated semiconductor and precision automation machinery. Confirm servo drive model matching before ordering. ESD protection required during handling and installation.