ABB 3BSE008500R1 – S800 I/O Series Module for 800xA / AC 800M Systems

The ABB 3BSE008500R1 is an original ABB part number from the S800 I/O family, typically used with AC 800M controllers in 800xA systems. From my experience, plants keep this code on their critical spares list because it maintains the same compact S800 footprint, integrates cleanly over ModuleBus, and can be swapped with minimal downtime. If you’re expanding an I/O segment or replacing a worn module, this part keeps your cabinet layout and wiring strategy intact—no surprises for technicians.

Order Placement Process and Guarantees

• Warranty: 365 days
• Delivery time: 1 week if in stock; no more than one month at the latest
• Payment: 50% advance payment; full payment before delivery
• Express options: FedEx, UPS, DHL
• Packaging: ESD-safe inner packing and shock-resistant outer box, which in many cases reduces handling failures in transit

Key Features

• Native S800 I/O form factor – Fits existing TU8xx terminal units on DIN rail, so panel rework is typically unnecessary.
• ModuleBus integration – Seamless connection to AC 800M-based 800xA systems for straightforward engineering and diagnostics.
• Hot-swap capable – You might notice that maintenance windows shrink because the module can be replaced without shutting down the entire I/O segment (when system design allows).
• Robust EMC and industrial temperature range – Designed for cabinets in standard plant environments; stable in most 24 VDC control systems.
• Compact footprint – Keeps cabinet density high; typically 45 mm wide S800 profile.
• Field-proven reliability – In many cases, users report decade-long life when installed with proper ventilation and clean power.

Technical Specifications

Notes: The 3BSE0085xx series includes multiple S800 I/O variants. Channel count and signal type for 3BSE008500R1 follow the specific sub-variant delivered under this order code. If you share your existing module’s front label or system drawing, we can match it precisely before shipment.

Related or Supporting Products

• DI810 (3BSE008508R1) – 16-ch Digital Input, 24 VDC. Go-to for standard on/off signals.
• DO810 (3BSE008510R1) – 16-ch Digital Output, 24 VDC. Sourcing outputs for field devices.
• AI810 (3BSE008516R1) – 8-ch Analog Input. Typically for 4–20 mA / HART in many plants.
• AO810 (3BSE008522R1) – 8-ch Analog Output. For control valves and analog actuators.
• TU810 / TU812 – S800 terminal units (wiring base). Choose based on isolation and channel grouping needs.
• CI854A (3BSE030220R1) – PROFIBUS-DP interface for AC 800M to field networks.

One thing I appreciate is how these S800 modules mix-and-match on the same rail. A maintenance lead recently told us a swap took under 10 minutes because the terminal base and addressing were unchanged.

Installation & Maintenance

• Cabinet & environment: Install in an enclosed, ventilated control cabinet (typically IP54 or better). Keep ambient within 0–55 °C and avoid condensation.
• Wiring: Use the matching TU8xx terminal unit. Maintain correct wire ferrules, torque, and grounding. Separate I/O, power, and communication cabling to reduce noise.
• Power: Stable 24 VDC supply for the S800 segment with proper earthing. Verify ModuleBus segment length and termination per ABB guidelines.
• Hot swap & safety: The module is hot-swappable on a healthy system, but always follow plant LOTO and ESD precautions. Avoid plugging/unplugging field connectors under load when not required.
• Routine care: Quarterly dust removal with dry air, visual inspection of terminals and locking levers. For analog channels, schedule loop checks and recalibration annually (typical practice).
• Firmware & asset data: Where applicable, keep firmware aligned with your 800xA project backup. Document module position and revision in your asset register.

Quality & Certifications

• Conformity: CE; RoHS compliant components (typical for S800 I/O)
• Safety/EMC: Designed for industrial EMC per ABB S800 I/O standards; UL marking is commonly available on this family
• Manufacturer warranty: Standard ABB policy applies; we provide a 365-day warranty on supply