Specifications General Type: PLC I/O Module Series: ABB 2UBA Model: 2UBA004204R0002 Application: Digital input/output interface for PLC systems Mounting: DIN rail or rack mount, modular installation Electrical Characteristics Input Voltage: 24 V DC Input Type: Digital, sinking or sourcing (depending on variant) Output Type: Relay / transistor (digital switching output) Number of Channels: 4 inputs, 4 outputs Rated Current per Output: 0.5–2 A (depending on module type) Isolation: Optical or galvanic isolation between input/output and logic Mechanical & Construction Housing Material: Industrial-grade thermoplastic Dimensions: Compact modular design for PLC racks Terminal Type: Screw terminals or plug-in connectors Weight: Approx. 0.2–0.5 kg Environmental Conditions Operating Temperature: 0 °C to +55 °C Storage Temperature: –25 °C to +70 °C Humidity: 5–95% RH, non-condensing Standards & Certifications Standards Compliance: IEC 61131-2, UL 61010 Safety & EMC: CE marked, industrial-grade EMC compliance Approvals: UL, CSA depending on region Features Compact and modular design for PLC racks Reliable digital input/output for industrial control High-speed response for automation and process control Galvanic or optical isolation for system protection Compatible with ABB PLC controllers and automation systems