Rexroth BTV20.3AA-28B-33C-D-FW CNC Operator Panel Spare Part

Technical Specifications

Model:BTV20.3AA-28B-33C-D-FW

Brand:Rexroth

Product type:PC-based CNC visualization operator panel

Input voltage:24V DC

Display:10.4 inch TFT color display,800×600 pixel

Processor:Pentium MMX 300MHz

Memory:128MB RAM,3GB HDD,built-in 3.5" 1.44MB floppy drive

Keyboard:Standard full keyboard,16 machine function keys arranged on left and right sides

Mounting:Panel cutout mounting

Front panel protection:IP65

Rear housing protection:IP20

Communication:10Base-T Ethernet,RS232,RS485,Centronics printer port,VGA

Operating temperature:+5~+45℃

Storage temperature:-20~70℃

Relative humidity:5~95% non-condensing

Max operation altitude:1500m

Certification:CE

System compatibility

BTV20.3AA-28B-33C-D-FW belongs to Rexroth Indramat BTV20 visualization terminal family,matching Indramat System200 CNC and motion control systems,widely deployed on heavy-duty CNC machine tools and production automation lines.This is a legacy spare part for industrial equipment maintenance replacement.

Function

BTV20.3AA-28B-33C-D-FW is an expandable industrial PC-based operator terminal.It integrates 10.4" TFT color screen and full machine keyboard,supports CNC program editing,manual axis jog,operation mode switching,parameter configuration,spindle & feed override adjustment,real-time machine status and fault alarm display.It communicates with main CNC controller via Ethernet and serial ports for command transmission and data feedback.The 33C variant is pre-configured factory firmware version.

Installation

Install BTV20.3AA-28B-33C-D-FW on cabinet panel cutout.Tighten mounting fixtures.Connect 24V DC power and communication cable according to wiring diagram.Check cable shielding and connector tightness before power-on commissioning.

Interface

‑24V DC power input terminal

‑10 Base-T Ethernet port

‑RS232 / RS485 serial port

‑VGA interface,Centronics printer port

‑Keyboard internal signal terminal

‑Shield grounding terminal

Circuit feature

Industrial embedded computer architecture,color display drive circuit,hardware keyboard scanning circuit,stable multi-interface communication,strong anti-interference,suitable for harsh machine workshop environment.

Feature

BTV20.3AA-28B-33C-D-FW is obsolete Rexroth spare part.Typical faults:display backlight failure,membrane key aging,Ethernet/serial port damage,internal hard disk or power board failure.Inspect display and communication link before replacement.This visualization terminal must match original Indramat CNC system firmware,direct substitution without inspection is not recommended.

Diagnostic

When terminal fails,HMI screen blank,keyboard input no response,system triggers Ethernet or serial communication timeout alarm.

Built‑in function:CNC program editing,manual axis jogging,parameter configuration,machine status & alarm display,production operation control,used as Rexroth Indramat CNC system spare replacement.

Product Brief

BTV20.3AA-28B-33C-D-FW is Rexroth Indramat BTV20 series 10.4-inch color visualization HMI terminal with upgraded 300MHz CPU and 128MB RAM.Verify CNC system firmware and communication configuration before ordering.ESD protection required during handling and installation.