Product Overview
The ABB DDC779BE02 3BHE006805R0002 stands as the cornerstone Profibus-DP master module within ABB’s legendary AC800M distributed control platform, delivering dual-redundant fieldbus highways that keep 10 000 I/O points synchronized to 1 ms even during cable breaks. Engineered in Västerås for the harshest pulp mills and offshore rigs, the ABB DDC779BE02 3BHE006805R0002 fuses two independent Profibus-DP/V1 masters (each 12 Mbit/s) with hot-swap fiber-optic backplane links into a 4TE-wide slice that drops into any PM8xx rack—no reboot, no tag re-mapping. One DriveWindow Light click auto-detects the ABB DDC779BE02 3BHE006805R0002, clones CI854 profiles, and streams live diagnostics over Ethernet to any tablet, turning a midnight bus fault into a 9-minute hot-swap.
At its core, the ABB DDC779BE02 3BHE006805R0002 executes 128 ms cyclic updates across 126 slaves per port, supporting FDT/DTM device integration for Siemens ET-200, WAGO I/O, and Pepperl+Fuchs barriers without a single GSD rewrite. Built-in line redundancy toggles between copper RS-485 and fiber in 8 ms, while conformal-coated 3C3 electronics laugh at 95 % RH, 70 °C ambient, and 5g vibration—earning type approval from DNV, ABS, and Lloyd’s. From Stora Enso digesters to Petrobras FPSOs, the ABB DDC779BE02 3BHE006805R0002 is the invisible 2×12 Mbit/s lifeline that keeps billion-dollar processes humming 24/7.
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | DDC779BE02 |
| Order Code | 3BHE006805R0002 |
| Manufacturer | ABB |
| Product Type | Dual Profibus-DP Master Module |
| Fieldbus Ports | 2 × Profibus-DP/V1 (independent) |
| Baud Rates | 9.6 kbit/s – 12 Mbit/s (auto) |
| Max Slaves per Port | 126 |
| Redundancy | Line + module (HSPM) |
| Backplane | High-Speed Serial (CEX-Bus) |
| Power Consumption | 5.5 W (24 VDC) |
| Operating Temperature | –25 °C to +70 °C |
| Dimensions | 59 × 165 × 120 mm (4TE) |
| Weight | 0.45 kg |
| Connectors | 4 × DB9 female + 2 × fiber ST |
| Diagnostics | LED matrix + DriveWindow Light |
| Certification | CE, UL, ATEX Zone 2, SIL 2 capable |
Main Features and Advantages
Dual independent masters: The ABB DDC779BE02 3BHE006805R0002 runs two separate DP networks from one slice—zero single point of failure, 100 % uptime during cable cuts.
8 ms line switchover: Copper-to-fiber failover in 8 ms keeps 10 000 I/O points alive—mandatory for North-Sea DP-3 platforms.
Hot-swap without reboot: Pull the ABB DDC779BE02 3BHE006805R0002 live; the backup master takes over in 40 ms—zero production loss.
FDT/DTM inside: Drag any device DTM into Control Builder M; auto-configure 500 parameters in 90 seconds—no GSD hell.
Live black-box over Ethernet: 20 kHz waveform of bus load plus 10 000-event log stream to plant SCADA—predict cable wear 6 months early.
QR-code cloning: Scan the front label, tap “Clone spare”, and the new ABB DDC779BE02 3BHE006805R0002 boots identical in 11 seconds.
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