ABB AI815 3BSE052604R1 Analog Input Unit

The ABB AI815 (3BSE052604R1) serves as a core component for high-fidelity data collection in industrial automation. This S800 I/O module features eight independent channels for monitoring critical process variables. It translates physical signals from field instruments into accurate digital values for the controller. Consequently, the unit enhances the monitoring capabilities of Advant OCS and 800xA distributed control systems. This hardware excels in sectors like chemical processing, power generation, and oil and gas.

Versatile Input Ranges and Smart Communication

This analog unit handles a wide variety of signal types to ensure broad device compatibility. It supports standard current loops such as 0-20 mA and 4-20 mA. Additionally, the module accepts voltage inputs ranging from 0-5V to 1-5V. A significant advantage includes the support for HART protocol pass-through communication. This feature allows engineers to perform remote diagnostics and configuration on smart field instruments. Integrated 12-bit resolution ensures that every measurement remains precise and reliable.

Enhanced Circuit Protection and Signal Integrity

The AI815 design prioritizes the safety of both the module and connected field devices. Each channel includes a current-limited power supply to prevent damage from transmitter faults. Furthermore, the eight channels exist as a single group isolated from the system ground. This architectural choice effectively minimizes electrical noise and prevents ground loop interference. Such isolation is vital for maintaining signal integrity in electrically noisy industrial environments.

Technical Specifications

• Brand: ABB
• Model: AI815
• Order Number: 3BSE052604R1
• Product Type: Analog Input Unit
• Channel Count: 8 Channels
• Resolution: 12-Bit
• Supported Signals: 0-20mA, 4-20mA, 0-5V, 1-5V
• Communication: HART Pass-through
• Net Weight: 1.22 kg
• Unit Dimensions: 24 x 19 x 5.3 cm
• Origin: Sweden