ABB DO880 3BSE028602R1 – S800 I/O Digital Output Module for Reliable On/Off Control

The ABB DO880 (part number 3BSE028602R1) is a digital output module in the ABB S800 I/O family, typically used with AC 800M–based systems. From my experience, it’s a solid choice when you need compact, high-density output control for solenoids, interposing relays, lamps, and contactor coils—without sacrificing serviceability or uptime. You might notice that it follows the familiar S800 form factor, so it drops into a TU8xx terminal base quickly and supports online replacement to keep the plant running.

Order Placement Process and Guarantees

• Warranty: 365 days
• Delivery: 1 week if in stock; no more than one month at the latest
• Payment: 50% advance payment; full payment prior to delivery
• Express Options: FedEx, UPS, DHL

Key Features

• S800 I/O ecosystem compatibility – Plugs into standard TU8xx terminal units and works within AC 800M architectures.
• Digital output control – Designed for switching on/off DC loads such as relays, solenoids, and indicators in many cases.
• Hot‑swap serviceability – Module replacement can typically be done online, helping trim downtime during maintenance.
• Status indication – Front LEDs provide quick per‑channel status at a glance, which speeds up troubleshooting.
• Galvanic separation – Isolation between field side and logic side to reduce interference risks in industrial environments.
• Compact footprint – High channel density in a slim S800 housing helps save cabinet space.

Technical Specifications

Brand / Model	ABB DO880 (3BSE028602R1)
HS Code	853890 (Parts for electrical control equipment)
Power Requirements	Backplane powered via S800 ModuleBus (24 V DC supplied through the TU8xx terminal unit)
Signal I/O Type	Digital outputs for DC load control (typical S800 DO application)
Communication Interface	S800 ModuleBus via terminal unit; no external communication ports on the module itself
Installation Method	Plugs into TU8xx terminal base (DIN‑rail mounted); tool‑less module replacement in most cases
Operating Temperature	0 to +55 °C typical for S800 I/O environments
Dimensions & Weight	Standard S800 compact module footprint; lightweight plug‑in design

Application Fields

The DO880 is used where deterministic, reliable on/off control is a must. Typical scenarios include:

• Power generation balance‑of‑plant: driving interposing relays, dampers, and indicator lamps.
• Oil & gas and petrochemical units: switching solenoids and small contactors for valve actuation.
• Water & wastewater: panel outputs to blowers, pumps, and dosing system relays.
• Pulp & paper / metals: robust coil control for field devices in noisy environments.
• Factory automation: conveyors, packaging lines, and machine indicators where dense DO is preferred.

One thing I appreciate is how easily it integrates alongside other S800 modules—so mixed racks with DI/AI/DO are straightforward, and spares management stays simple.

Advantages & Value

• Proven reliability – S800 I/O is widely used in 24/7 plants; DO880 fits the same reliability profile.
• Compatibility – Works within AC 800M systems and common TU8xx bases, reducing engineering effort.
• Lifecycle support – Spare part standardization across S800 modules helps keep inventory lean.
• Service efficiency – Hot‑swap capability and front LEDs typically shorten fault‑finding and replacement time.

Feedback from a maintenance lead: “We swapped a DO880 during a shift with no line stoppage—channel LEDs helped us verify wiring in seconds.”

Installation & Maintenance

• Cabinet & mounting – Install on DIN rail using a compatible TU8xx terminal unit (e.g., TU810/TU812/TU814). Keep adequate ventilation; avoid heat sources.
• Wiring – Use appropriately rated conductors for the load voltage/current. For inductive loads, fit flyback diodes or RC snubbers at the device side to protect outputs.
• Grounding & shielding – Follow S800 grounding practices; segregate I/O and power wiring to reduce noise.
• Safety – De‑energize field circuits before servicing. Verify polarity when wiring DC loads.
• Routine checks – Periodically inspect terminals for looseness, clean dust, and confirm LED status during I/O tests. Firmware/definition updates are handled at the controller level as needed.

Supporting Components (Typical)

• Terminal units: TU810, TU812, TU814 (selection depends on wiring style and application).
• System interface: AC 800M with S800 communication interfaces (e.g., CI modules in the controller or remote I/O head).
• Panel accessories: Interposing relays and surge suppression components for inductive loads.

Quality & Certifications

• Certifications: CE marking; UL recognition and RoHS compliance are typical for ABB S800 modules.
• Quality system: Manufactured under ABB’s ISO 9001 quality management framework.
• Warranty: 365 days coverage as stated above.

If you’re replacing an existing S800 digital output or building out capacity, the DO880 seems to be a practical, low‑risk choice—minimal learning curve and straightforward commissioning.