Description
Product Overview
ABB CI527 3BSE019327R is an AF100 fieldbus coupler communication module dedicated for ABB Advant DCS system. It provides dual‑channel AF100 Advant Fieldbus100 interfaces for data exchange between controllers and AF100 fieldbus devices, supports redundant bus communication to guarantee stable DCS network performance. It is rack‑mount board card for Advant controller rack. OEM production is obsolete. New surplus stock and fully‑tested refurbished spare parts are available for direct drop‑in replacement for legacy Advant DCS system maintenance and repair。

Technical Specifications
| Item | Specifications |
|---|---|
| Model | CI527 |
| Part No. | 3BSE019327R |
| Brand | ABB |
| Series | Advant DCS System |
| Product Type | AF100 Fieldbus Coupler Communication Module |
| Fieldbus Protocol | AF100 (Advant Fieldbus100) |
| Communication Channel | Dual AF100 bus interface, support bus redundancy |
| Data Rate | 1.5 Mbps |
| Transmission Media | Twisted‑pair STP/UTP, max.1200m |
| Node Capacity | Up to 32 AF100 slave nodes |
| Mounting | Rack slot installation |
| Power Supply | Backplane bus power supply |
| Status Indicator | Front‑panel LED indicator for network fault diagnosis |
| Product Dimension(W×H×D) | 234 ×130.5 ×18 mm |
| Net Weight | 0.18 kg |
| Package Dimension | 290 ×180 ×60 mm |
| Gross Weight | 0.45 kg |
| Operating Temperature | 0℃ ~ +55℃ |
| Storage Temperature | -20℃ ~ +70℃ |
| Humidity | 5‑95%RH non‑condensing |
| Ingress Protection | IP20 (cabinet installation) |
| Certifications | CE, UL |
| Product Status | OEM Obsolete, new surplus stock & tested refurbished spare parts available |
| Application | Maintenance & replacement for AF100 fieldbus network in chemical, paper‑making, power plant Advant DCS distributed control system |
Key Features
- Dedicated AF100 fieldbus coupler communication module for ABB Advant DCS, dual‑bus interface with AF100 network redundancy support, automatic switch‑over upon network fault.
- Deterministic bus communication to ensure real‑time process data exchange for critical process automation control.
- On‑board LED status indicators for fast communication fault location and convenient on‑site troubleshooting.
- Standard rack‑slot mounting, hot‑plug‑in structure for convenient module replacement and maintenance.
- Obsolete critical DCS spare part, widely used for legacy ABB Advant DCS distributed control system repair.
Application
Petro‑chemical plant, paper mill, thermal power station, ABB Advant DCS distributed control system, AF100 fieldbus network data communication, system maintenance spare‑part replacement.










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