Rexroth A234-276 I/O Control Module Spare Part

Technical Specifications

Model:A234-276

Brand:Rexroth

Product type:Rack-mounted digital I/O control module

Power supply:24V DC

Signal type:Digital input and digital output

Mounting:Subrack plug-in installation

Weight:1.0kg

Operating temperature:0~45℃

Storage temperature:-20~70℃

Relative humidity:5~95% non-condensing

Protection class:IP20

Certification:CE

System compatibility

A234-276 belongs to Rexroth Indramat control system family,widely used for CNC machine tools,press equipment and automated production line control cabinets.This is a legacy spare part for industrial equipment maintenance replacement.

Function

A234-276 is a plug-in digital I/O module.It collects field digital switch signals and transmits to main controller.Meanwhile it outputs switching signals to drive on-site actuators,realizing logic signal interaction between host control unit and field equipment.

Installation

Insert A234-276 into standard control subrack,tighten front panel fixing screws.Connect 24VDC power cable and field signal wiring according to wiring diagram.Check terminal wiring and shield grounding before power-on commissioning.

Interface

‑24V DC power terminal

‑Digital input signal terminals

‑Digital output signal terminals

‑Backplane bus connector

Circuit feature

Plug-in backplane bus design,optocoupler isolation for input and output channels,strong anti-interference,suitable for harsh workshop industrial environment.

Feature

A234-276 is obsolete Rexroth spare part.Typical faults:bus communication failure,I/O channel damage,circuit aging,port burnout.Inspect bus communication and each I/O channel before replacement.This I/O module must match original control backplane and system firmware,direct substitution without inspection is not recommended.

Diagnostic

When module failure occurs,the system will trigger I/O channel alarm,field signal cannot be collected or actuators cannot be triggered normally.

Built‑in function:Field digital signal acquisition,switch signal output,logic signal transmission,used as Rexroth Indramat control system spare replacement.

Product Brief

A234-276 is Rexroth plug-in rack I/O module for industrial CNC and automation control systems.Verify backplane bus type and signal definition before ordering.ESD protection required during handling and installation.