ABB UNS0874A Digital I/O Module
The ABB UNS0874A is a high-performance digital input/output module engineered for industrial automation systems. Designed for seamless integration in demanding environments, this module provides reliable signal processing for manufacturing, process control, and automated assembly applications. Its robust architecture ensures stable operation in critical control systems.
Technical Specifications
| Attribute | Value |
| Product Type | Digital I/O Module |
| Model | UNS0874A |
| Manufacturer | ABB |
| Dimensions (D x H x W) | 480 x 82 x 180 mm |
| Weight | 0.66 kg |
| Compatibility | ABB PLC systems |
| Voltage | 24V DC |
| Channels | 16 digital input/output |
| Operating Temperature | -25°C to +60°C |


Applications & System Integration
This module excels in industrial environments requiring precise digital signal control, including:
– Manufacturing production lines
– Process control systems
– Energy management installations
– Material handling automation
Compatible with ABB’s AC800M controller series and designed for easy integration into existing PLC architectures. Commonly paired with UNS0880A and UNS0881A communication modules for expanded system functionality.
About Apex Automation
Founded in 2014, Apex Automation delivers ready-to-ship industrial automation solutions. We specialize in providing:
– 1-year comprehensive warranty on all products
– Expert pre-sales technical consultation
– After-sales support by certified engineers
– Competitive pricing on industrial components
Can’t find your required model? Contact us via WhatsApp for customized sourcing solutions. Our team will promptly locate compatible alternatives from our global supplier network.

















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