ABB DO880-1 (3BSE028588R1) – 16‑Channel Digital Output Module for System 800xA / S800 I/O

The ABB DO880-1 is a 16‑channel digital output module designed for the S800 I/O family, widely used within System 800xA architectures and AC 800M-based control systems. From my experience, it’s a straightforward way to drive solenoids, interlocks, contactors, beacons, or any discrete load that expects clean 24 VDC switching in panel environments. You might notice that it drops into standard TU8xx terminal bases, so changeouts and expansions are typically quick—no rewiring gymnastics.

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Key Features

• 16 digital outputs – A compact channel count for cabinets with dense discrete control.
• S800 I/O ecosystem – Works within System 800xA, pairing with TU8xx terminal bases and the standard ModuleBus.
• Fast panel swap – Module can typically be changed without disturbing field wiring on the terminal base.
• Status indication – Per-channel and module LEDs make commissioning and troubleshooting quicker on site.
• 24 VDC field loads – Well-suited for solenoids, relays, small contactor coils, and light stacks in many cases.
• Diagnostics support – Typical S800 health/status reporting to the controller helps cut downtime.
• Commonly paired bases – TU810, TU812, TU814 (or equivalents), depending on wiring style and isolation needs.

Technical Specifications

Brand / Model	ABB DO880-1 (3BSE028588R1)
System Compatibility	ABB System 800xA, S800 I/O; used with AC 800M-based controllers
HS Code	8538.90.00 (Parts for electrical control apparatus)
Power Requirements	24 V DC via S800 backplane/terminal base (typical)
Channels	16 digital outputs
Signal Output Type	24 V DC digital outputs; typically sourcing (PNP) in S800 DO family
Communication Interfaces	ModuleBus through S800 terminal base (TU8xx) to the controller/communication unit
Installation Method	DIN-rail mounted on TU810/TU812/TU814 (or equivalent) terminal base
Operating Temperature	0 to +55 °C (typical for standard S800 modules)
Dimensions & Weight	Approx. 122 × 45 × 102 mm; ~0.2 kg (typical S800 format)

Note: Ratings such as channel current limits and grouping can vary by terminal base and exact module revision. If you need hard limits for a specific load type, I can match them against the ABB datasheet for DO880-1 before you commit wiring.

Application Fields

Common in brownfield upgrades and expansions where System 800xA is already installed. Typical roles include:

• Oil & Gas: On/off valve actuation, blowdown valves, compressor skids.
• Power & Utilities: Pump starts, damper control, trip relay outputs.
• Metals & Mining: Conveyor interlocks, bin gates, chute vibrators.
• Pulp & Paper: Solenoid banks, wash cycles, emergency beacons.
• Water/Wastewater: Lift station pumps, aeration valves, local alarms.

One thing I appreciate is how maintenance teams can swap a faulty output module in minutes and keep the terminal base wiring intact. A maintenance lead at a power plant told us they shaved an entire shift off their turnaround just by standardizing on S800 DO cards like this one.

Advantages & Value

• Seamless compatibility – Designed for the S800 I/O stack in 800xA; no odd adapters in most cases.
• Reduced lifecycle cost – Standardized spares, quick swap time, and consistent diagnostics reduce downtime.
• Scalable cabinet density – 16 channels per slice keeps panels compact without sacrificing clarity.
• Support and documentation – ABB’s documentation is solid and makes configuration predictable.

Installation & Maintenance

• Panel & environment: Install on DIN rail with the specified TU8xx terminal base; allow ventilation and keep within 0…+55 °C.
• Wiring: Use properly rated 24 VDC supplies. Separate field power and backplane power where applicable. Observe polarity and grounding conventions.
• Inductive loads: For solenoids, relays, and contactors, add flyback diodes or suitable suppression to extend contact life and reduce EMI.
• Protection: Respect per‑channel and per‑group current limits as per ABB data. Fuse field circuits appropriately.
• Commissioning: Verify channel operation using onboard LEDs; cross‑check with the controller tag list before handover.
• Routine checks: Inspect terminal torque, clean dust from vents, and review diagnostic logs periodically. Controller/engineering tool updates should match the module’s type data—firmware updates are not typically required on I/O slices.

Quality & Certifications

• CE conformity (EMC/Low Voltage) and cULus recognition are typical for S800 modules.
• RoHS compliance and ISO 9001 manufacturing processes.
• Certification scope can vary by date code and revision; documentation available on request.
• Covered by our 365‑day warranty.

Commonly Paired Components (for planning)

• TU810 / TU812 / TU814 terminal bases – field wiring and ModuleBus backplane
• S800 power feed modules and end sections – for proper bus segmentation
• AC 800M controller with appropriate communication units in System 800xA

If you share your terminal base model (e.g., TU810 vs. TU812) and the types of loads you’re driving, I can confirm channel ratings and any suppression accessories you might need. That tends to prevent surprises during FAT and commissioning.