The ABB DI651 3BHT300026R1 serves as a high-density interface for modern industrial control systems. This 32-channel digital input module integrates seamlessly with the Advant OCS 800xA platform. It converts field signals into actionable data for the controller. Consequently, operators can monitor sensors, switches, and other digital devices with high precision. The robust engineering ensures reliable signal acquisition in complex Distributed Control Systems (DCS).
Core Functional Features
This module processes 24V DC signals with an adaptable range between 10V and 30V DC. Each of the 32 channels operates independently to provide comprehensive field monitoring. Furthermore, the hardware includes superior electrical protection to prevent system damage. It offers 500V AC channel-to-channel isolation and 1500V AC field-to-system isolation. These barriers effectively eliminate ground loops and reduce electromagnetic interference in noisy environments.
Technical Specifications
- Brand: ABB
- Model Designation: DI651
- Order Number: 3BHT300026R1
- Input Channels: 32 Isolated Channels
- Nominal Voltage: 24V DC
- Voltage Range: 10V to 30V DC
- Isolation (Field-to-System): 1500V AC
- Maximum Current per Channel: 50mA
- Operational Temperature: -25°C to +70°C
- Dimensions: 24 x 19 x 5.3 cm
- Net Weight: 1.22 kg
- Manufacturing Origin: Sweden
Installation and Physical Design
The DI651 features a compact form factor to optimize space within control cabinets. It utilizes a standardized terminal block system for rapid wiring and maintenance. Although the module is lightweight, its durable housing withstands extreme industrial temperatures. This resilience makes it suitable for manufacturing plants and material handling facilities. The design facilitates quick module replacement to minimize potential process downtime.
Quality and Compliance
ABB manufactures this component in Sweden according to strict international quality standards. The module carries CE, UL, and CSA certifications for global safety compliance. These approvals verify that the hardware meets rigorous requirements for industrial automation equipment. Because of its high channel density, the DI651 provides a cost-effective solution for large-scale data acquisition. It remains a trusted choice for critical automation infrastructure worldwide.
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