Technical Specifications Model: DO880, Part No. 3BSE028602R1 System Compatibility: ABB S800 I/O, AC800M Controller Output Channel Quantity: 16 channels Output Type: 24 V DC sinking transistor output Per‑channel Output Current: Maximum 0.5 A Isolation: Channel‑to‑channel galvanic isolation, 2500 V AC Logic Power Supply: From S800 rack backplane Field Power: External 24 V DC Mounting: DIN‑rail S800 rack plug‑in Operating Temperature: 0 ℃ to +55 ℃ Storage Temperature: ‑40 ℃ to +85 ℃ Relative Humidity: 5‑95 %, non‑condensing Protection Class: IP20 Certifications: CE, UL
Functional Features Sixteen‑channel sinking‑type 24 V DC transistor outputs for field discrete load driving. Independent channel‑to‑channel galvanic isolation eliminates cross‑channel ground‑loop interference. Per‑channel hardware over‑current and short‑circuit protection function. Front‑panel LED indicators display real‑time output status of each channel. Built‑in comprehensive self‑diagnosis monitors power‑supply, communication and internal hardware fault. Supports hot‑swap operation within S800 system authorized maintenance scope.
Application Scenarios S800 I/O DO880 3BSE028602R1 module spare‑part replacement. Chemical, power plant automation cabinet with high anti‑interference requirement for digital output signals. Industrial projects where each output channel needs independent electrical isolation.
Usage Notes Per‑channel load current shall not exceed rated maximum value 0.5 A. Inductive loads must install external free‑wheel suppression components. Forbid applying voltage higher than 30 V DC to output terminals. Periodically inspect terminal fastening status and remove cabinet dust accumulation. Avoid installation position near strong electromagnetic interference sources. Execute lock‑out‑tag‑out safety procedure before module disassembly or replacement.
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