Description
ABB 3BSE018741R15 – System 800xA / S800 I/O Plug‑in Module for AC 800M Racks
ABB part 3BSE018741R15 is a System 800xA spare used with AC 800M/S800 I/O racks. From my experience, plants keep this module as a like‑for‑like replacement to restore a faulty slot without touching field terminations or re‑engineering the terminal base. You might notice it follows the familiar S800 form factor with front diagnostics and backplane power, so swap‑outs during a short outage are typically quick and predictable.
Company’s Order Placement Process and Guarantees
- Warranty period: 365 days
- Delivery time: 1 week for in‑stock; no more than one month at the latest
- Payment method: 50% advance payment, full payment for delivery
- Express delivery methods: FedEx, UPS, DHL
- Process: Confirm model and quantity → Proforma Invoice → Advance payment → Functional testing and packing → Final payment → Express shipment with tracking
Key Features
- Drop‑in S800 replacement – Fits the standard S800 terminal base so field wiring typically stays untouched.
- Backplane‑powered – Draws 24 VDC via the rack; no separate supply wiring to the module body.
- Front diagnostics LEDs – Quick visual status makes loop checks and fault isolation faster.
- Configuration continuity – In many cases, parameters remain in the controller; like‑for‑like swaps keep addressing stable.
- Robust cabinet behavior – Designed for noisy industrial panels when grounding and segregation are done properly.
Technical Specifications
| Brand / Model | ABB – 3BSE018741R15 (System 800xA / S800 I/O module) |
| HS Code | 853710 (Programmable controller modules) |
| Power Requirements | 24 VDC via S800 backplane (module electronics power) |
| Dimensions & Weight | S800 plug‑in form factor; single‑width module; ~0.2 kg class (typical) |
| Operating Temperature | 0…55 °C cabinet ambient (typical for S800 I/O) |
| Signal I/O Types | Module‑specific; field connections through the S800 terminal base (TU/TB series) |
| Communication Interfaces | ABB ModuleBus/backplane interface to AC 800M; no user Ethernet on the module body |
| Installation Method | Plugs onto S800 terminal base on DIN rail; front connector/labeling for field terminations |
Application Fields
Common in System 800xA cabinets where dependable I/O and communications are essential:
- Power generation: boiler/turbine auxiliaries under AC 800M control
- Oil & gas and petrochem: E&I cabinets with S800 I/O marshalling
- Pulp & paper, water, mining: brownfield expansions and maintenance swaps
- OEM process skids integrating with plant‑wide 800xA
Advantages & Value
- Reliability: Like‑for‑like replacements typically clear intermittent module faults and stabilize signals.
- Compatibility: Matches the S800 terminal base and ModuleBus—no rewiring in most cases.
- Downtime savings: Fast swap helps avoid engineering changes or cabinet rework.
- Support: We can power‑up test, check basic LED/status, and share a short report prior to shipment.
“Replaced the suspect slot with 3BSE018741R15. Addressing stayed intact, LEDs looked right away, and our loop checks finished ahead of schedule.” — I&C technician, combined‑cycle unit
Installation & Maintenance
- Cabinet setup: Mount on the S800 DIN rail/terminal base; keep ventilation paths clear.
- Handling: ESD protection; avoid flexing the PCB; verify terminal base part number and keying before insertion.
- Wiring: Field conductors remain on the terminal base; confirm labeling matches your I/O list.
- Commissioning: Check LEDs, scan in the controller, and run a brief loop/health test before handover.
- Routine care: Quarterly dust removal, connector reseat checks, and review of diagnostic logs for early warnings.
- Safety: De‑energize as per site procedure; follow lock‑out/tag‑out and ESD guidelines.
Quality & Certifications
- Quality system: Produced under ISO 9001 processes (typical for ABB System 800xA hardware).
- Compliance: Suitable for CE/UL compliant control panels; RoHS status may vary by production year.
- Warranty: 365‑day warranty from shipment date.
If you can share your AC 800M controller type, terminal base (TU/TB) part number, and the slot function, we’ll double‑check 3BSE018741R15 compatibility and provide a concise functional test record before dispatch.
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