This bus converter provides fault-tolerant communication between Yokogawa CENTUM control stations and I/O nodes. It maintains network integrity even during component failure or maintenance activities. Process facilities depend on this unit for uninterrupted data flow across distributed control systems.
Technical Specifications & Hardware Overview
Engineers value this converter for its redundant architecture and seamless switchover capability. The design ensures continuous communication without process disruption during component replacement.
| Parameter | Specification |
|---|---|
| Model | ABC11D |
| Manufacturer | Yokogawa |
| Category | Dual-Redundant Bus Converter |
| Communication Protocol | Vnet/IP, ESB bus |
| Redundancy Type | Dual-redundant with automatic switchover |
| Switchover Time | Less than 10 ms |
| Interfaces | 2 x optical fiber ports, 2 x coaxial ports |
| Transmission Distance | Up to 2 km for optical fiber |
| Power Supply | 24 VDC nominal |
| Power Consumption | 15 Watts typical |
| Physical Size | 30 mm (width) x 180 mm (height) x 150 mm (depth) |
| Weight | Approximately 0.45 kg (0.99 lbs) |
Circuit Architecture and Redundancy Management
This converter utilizes independent dual communication paths for continuous operation. It actively monitors both networks and switches automatically upon signal degradation. The ABC11D maintains synchronization between primary and standby circuits at all times. Consequently, it eliminates single points of failure within the communication infrastructure.
Installation and Mechanical Configuration
The unit mounts directly into Yokogawa I/O racks with standard mounting hardware. A single chassis houses both communication circuits and power regulation components. This converter features front-panel LED indicators for network status and active path identification. Moreover, the compact width conserves valuable cabinet space for additional system components.
Energy Management and Operational Stability
This bus converter draws power from the system backplane with onboard regulation. It features energy storage capacitors for stable operation during brief power disturbances. The ABC11D stores configuration parameters in non-volatile memory without battery backup. As a result, it retains network settings indefinitely across power cycles.
Network Integration and System Application
This ABC11D converter bridges communication between field control units and I/O modules. It integrates seamlessly with Yokogawa CENTUM VP and CS 3000 systems. For similar industrial communication components, you will find comparable reliability in static trip units like RMS-TSG-TZ-C from various manufacturers. Therefore, this converter provides essential communication redundancy for critical process control networks.
Details
| Weight | 0.7 kg |
|---|---|
| Dimensions | 2.5 × 20.3 × 15.2 mm |
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