FiberLoop II - Model 561 - Fiber optic Transceiver Systems
The Model 561 is a field-tested fiber optic transceiver that combines with the FiberPanel Windows-based network management software to implement the H&L Instruments FiberLoop II system. The 561 transceivers are employed in very large networks to connect Remote Terminal Units (RTUs) or other Intelligent Electronic Devices (IEDs) with a Model 561 configured as a SCADA master or network controller.
Product Details
The Model 561 FiberLoop II System:
- Improves the ability to locate electric system faults
- Ensures worker safety
- Manages data in a single accessible system
- Monitors and controls switchgear remotely
- Responds quickly to service outages and restores power
- Support for both loop and radial network topologies with up to 250 transceivers
- H&L Instruments' renowned reliability including fault tolerant, redundant self-healing loop technology
When used as a master unit, the Model 561 is the head end for the SCADA masters. All signals pass through the controller, which can automatically self-heal the system and re-route data in the event of fiber cuts or a transceiver failure anywhere in the system. The arrangement of transceivers in a loop configuration provides a highly reliable, fault-tolerant solution, and FiberLoop II deployed in small systems can provide a dedicated channel for each RTU.
Model 561 transceivers can be placed in a system as standby controllers at any location connected to a standby SCADA master computer. This allows the standby controllers to take over the FiberLoop II operation in the event that the primary controller fails. As many as 250 additional Model 561 transceivers can be added to the system and, dependent on options, four, eight or sixteen RTUs or other IEDs can be connected to each unit. In addition, 32 devices can be multi-dropped on an optional RS-485 port.
16 Virtual Channel Option
The Model 561-16 adds 16 virtual channels to the Model 561. It provides multi-drop, multi-channel serial data communications for master/slave supervisory control and data acquisition systems (SCADA). In controller mode, this device automatically reroutes data in the event of a fiber break or transceiver failure. In transceiver mode, the device provides the interface with all remote devices including RTUs, PLCs, and IEDs.
Both the Model 561 and 561-16 transceivers are bundled with the FiberPanel configuration and diagnostic software.
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