Technical Specifications
| Parameter | Details |
|---|---|
| Product Type | Bus Duplication Unit (Redundancy Adapter) |
| Compatibility | Fuji MICREX-SX Series SPH |
| Number of Ports | 2 x optical bus ports (duplex SC) |
| Transmission Medium | Optical fiber (plastic or glass) |
| Communication Speed | 2.5 Mbps |
| Supported Topologies | Ring, daisy-chain, star via duplication |
| Redundancy Mode | Active/Standby automatic failover |
| Switchover Time | 50 ms typical |
| Maximum Nodes | 64 modules per duplicated bus |
| Transmission Distance | 500 m (plastic), 2000 m (glass) |
| Diagnostics | LED status indicators, software monitoring |
| Dimensions (H x W x D) | 100 mm x 60 mm x 95 mm |
| Weight | 0.25 kg |
| Power Consumption | 3.0 W typical |
| Current Draw (5 VDC) | 200 mA |
| Operating Temperature | 0 °C to 55 °C |
| Storage Temperature | –25 °C to +70 °C |
| Relative Humidity | 30 % to 85 % (non-condensing) |
| Protection Class | IP20 |
| Certifications | CE, CSA |
Redundant Bus Architecture
The MP2L-BH1 bus duplication unit provides automatic optical bus redundancy for mission-critical MICREX-SX control networks. This module creates two independent optical communication paths, operating in active/standby mode with automatic failover. The unit continuously monitors both bus paths for signal integrity and switches within 50 ms upon detecting a fault. Consequently, the system maintains uninterrupted communication between the PLC and remote I/O stations, even during cable breaks or transceiver failures.
Flexible Topology Support
This duplication unit supports multiple network configurations, including ring, daisy-chain, and star topologies via the duplicated bus arrangement. The MP2L-BH1 accommodates up to 64 nodes on each redundant bus segment, providing substantial scalability for large automation networks. Users can combine this unit with optical link modules to build highly available distributed control systems.
Optical Transmission Specifications
The MP2L-BH1 transmits data at 2.5 Mbps using visible red light at 650 nm wavelength. Plastic optical fiber supports distances up to 500 meters, while glass fiber extends the reach to 2000 meters. The module features two duplex SC connectors for transmitting and receiving signals on both the primary and redundant paths. LED indicators on the front panel display active path selection, link status, and fault conditions for both buses.
Installation and Integration
Weighing 0.25 kg and measuring 100 mm x 60 mm x 95 mm, the MP2L-BH1 occupies a single slot in the MICREX-SX SPH rack. This unit draws 200 mA from the 5 VDC backplane supply, consuming 3.0 W of power during operation. Users can install the module in any available rack position and configure redundancy parameters through the programming software. The unit automatically synchronizes with other redundant bus components upon initial power-up.
Details
| Weight | 0.25 kg |
|---|---|
| Dimensions | 100 × 60 × 95 mm |
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