Delem DA-51 Modules DA-51 8051-006 System Screen

Technical Dossier

Product Details And Specifications

Delem DA-51 Series Technical Notes

The Delem DA-51 is a dedicated CNC press brake control system developed by Delem (Netherlands), one of the foremost OEM suppliers of CNC controllers for metal forming machinery. The DA-51 series is deployed across heavy industrial environments globally — including automotive stamping plants, structural steel fabricators, shipbuilding facilities, and precision sheet metal workshops. Its graphical 2D programming interface, integrated angle correction algorithms, and multi-axis synchronization capability made it a standard specification on press brakes manufactured by Amada, Trumpf, LVD, Bystronic, and Durma throughout its production lifecycle. The DA-51 remains in active service across thousands of machines in Europe, Asia, and the Americas, making spare parts availability a critical operational concern for maintenance engineers and plant managers.

The Evolution of DA-51 Architecture

The DA-51 was introduced as a successor to the DA-41 and DA-48 series, incorporating a 32-bit processor architecture and a higher-resolution graphical display compared to its predecessors. The control platform is built around a modular backplane design: a central CPU board communicates with peripheral I/O, axis drive, and display modules via a proprietary internal bus. Early DA-51 units used CRT-based display assemblies; later revisions transitioned to flat-panel LCD screens, of which the DA-51 8051-006 System Screen is a primary replacement component.

The DA-51 is compatible with Y1/Y2 dual-axis hydraulic press brake configurations and supports up to 6 controlled axes depending on firmware version. Its RS-232 and later RS-422 communication ports enabled DNC integration with CAD/CAM systems. As the DA-51 has entered the mature/end-of-life phase of its product lifecycle, Delem has transitioned customers toward the DA-66T and DA-69T platforms. However, the installed base of DA-51 machines remains substantial, and OEM spare parts have become increasingly scarce through standard distribution channels. Long-term maintenance support — including refurbished boards, tested replacement screens, and firmware-matched assemblies — is now the primary sourcing pathway for DA-51 operators.

DA-51 Full Catalog & Functionalities (SKU List)

The following SKUs represent verified components within the Delem DA-51 control system ecosystem, organized by functional category:

Display & Screen Assemblies

• DA-51 8051-006: System screen assembly; primary operator display unit for DA-51 CNC press brake controller.
• DA-51 8051-001: LCD panel module; flat-panel display replacement for early DA-51 CRT retrofit units.
• DA-51 8051-003: Backlight inverter board; drives CCFL backlight in DA-51 LCD screen assemblies.

CPU & Main Controller Boards

• DA-51 0501-001: Main CPU board; central processing unit for DA-51 control system, 32-bit architecture.
• DA-51 0501-002: CPU board revision B; updated firmware ROM, compatible with DA-51 v3.x software.
• DA-51 0501-005: Processor module with expanded RAM; supports multi-tool programming libraries.

I/O Modules

• DA-51 1001-001: Digital input module; 24VDC, 16-channel DI for machine safety interlocks and footswitch inputs.
• DA-51 1001-002: Digital output module; 16-channel DO, relay-isolated, for solenoid valve and indicator control.
• DA-51 1002-001: Analog input module; 4-channel, 12-bit ADC for pressure transducer and linear encoder feedback.
• DA-51 1002-002: Analog output module; 4-channel DAC for proportional valve command signals.

Axis & Drive Interface

• DA-51 2001-001: Y-axis servo interface board; encoder feedback processing for Y1/Y2 hydraulic cylinder position control.
• DA-51 2001-003: X-axis back gauge interface; step/direction output for back gauge servo drive.
• DA-51 2002-001: R-axis (crowning) control module; interfaces with hydraulic crowning cylinder position sensor.

Power Supply & Backplane

• DA-51 3001-001: Internal power supply module; 24VDC regulated output for DA-51 control electronics.
• DA-51 3002-001: System backplane board; passive bus interconnect for all DA-51 plug-in modules.
• DA-51 3003-001: Front panel interface PCB; keypad matrix decoder and membrane switch interface.

Communication & Fieldbus

• DA-51 4001-001: RS-232/RS-422 communication adapter; DNC interface for CAD/CAM program transfer.
• DA-51 4002-001: Ethernet communication module; later-revision network connectivity for DA-51 systems.