Overview
The ABB CL-LDC.LNAC2 display base module (order code 1SVR440823R100) is a CPU and power supply unit designed for the ABB CL-LINK automation range. Rated for 100–240 V AC input, this display base module integrates a built-in LCD display with configurable I/O capability, making it ideal for compact control cabinets and distributed automation systems.
Key Features
- 12 digital inputs and 4 relay outputs for direct control logic
- 100–240 V AC rated input voltage for global power supply compatibility
- Integrated LCD display with user-editable text and parameter displays
- CL-LINK network connectivity for remote I/O expansion (local and remote)
- Compact DIN-rail mountable design for space-constrained installations
- Memory module compatible for program storage (256 kB optional)
Technical Specifications
Key operating parameters for the ABB CL-LDC.LNAC2:
- Input Voltage: 100–240 V AC
- Digital Inputs: 12
- Relay Outputs: 4
- Display: LCD with editable text
- Communication: CL-LINK (bus network)
- Certifications: EN 50178, UL 508, CSA C22.2 No. 142
Typical Applications
- Standalone logic control with integrated display for machine operators
- Decentralized I/O node in multi-device CL-LINK networks
- Process monitoring and parameter adjustment in distributed systems
- Light industrial automation, HVAC controls, and pump/motor sequencing
- OEM embedded control systems requiring compact form factor
Compatibility & Replacements
The CL-LDC.LNAC2 is part of ABB’s CL-Range logic relay family and works seamlessly with:
- CL-LDR.16AC2 and CL-LDT.16DC2 display I/O modules for I/O expansion
- CL-LER/CL-LET series I/O expansion cards
- Memory modules (256 kB) for extended program storage
- Standard CL-LINK cables and connectors for remote node connection
For 24 V DC applications, ABB offers the CL-LDC.LDC2 (1SVR440821R0000) as an alternative. Always verify voltage and I/O requirements against your control schematic.
