Bosch Rexroth DIAX03-ELS-05VRS Control Module
Description
Model Definition
DIAX03: Third-generation DIAX motion control system platform
ELS: Electronic Logic & Safety module
05: Version 5 hardware revision
VRS: Standard functional version with complete safety logic
Technical Specifications
Electrical Parameters
Supply voltage: 24 V DC (20 V DC to 28 V DC)
Power consumption: Approximately 180 mA
Internal bus voltage: 300 V DC (compatible with system DC bus)
Signal level: 24 V DC digital signal
Isolation voltage: 500 V AC between internal circuit and field signals
Mechanical & Environmental Parameters
Mounting form: Standard slot-mounted for DIAX03 control rack
Dimensions (W×H×D): 95 mm × 210 mm × 35 mm
Weight: Approximately 0.45 kg
Operating temperature: 0 °C to +45 °C
Storage temperature: -30 °C to +85 °C
Protection class: IP20
Interface and Communication Configuration
Backplane interface: Internal system bus for data exchange with CPU and servo drives
Signal terminals: Dedicated ports for safety circuits, enable signals and fault feedback
Communication protocol: Supports internal DIAX bus and SERCOS linkage
Status indicators: LED indicators for power, running status, fault and safety state
Core Functions
Executes axis control logic and motion sequence commands
Monitors system safety interlocks and triggers protection actions in real time
Processes drive enable, fault reset and status feedback signals
Realizes data interaction between main controller and DDS series servo drives
Built-in self-diagnosis function to quickly locate circuit and signal faults
Ensures coordinated operation of multi-axis servo systems
Application Scenarios
Full set configuration of DIAX03 control system with DDS3.1 servo drives
Multi-axis linkage control for CNC machine tools
High-precision synchronous control for printing, textile and packaging machinery
Automated production lines and gantry motion systems
System upgrade and replacement of original DIAX03 rack modules
Usage and Maintenance
Install the module only after cutting off the entire system power supply
Ensure firm insertion into the rack slot and reliable backplane contact
Check safety circuit wiring strictly in accordance with specifications
Keep the control rack well ventilated and avoid overheating
Inspect LED status and terminal connection regularly every six months
Test safety interlock function periodically to guarantee operational safety
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