If you're searching for a dependable, remote solution to relay static digital signals and replace ineffective wire communications, then you need to examine the Model 531-8 Fiberoptic Digital I/O from H&L Instruments. This product is the optimal choice for point-to-point transfer trip relaying using fiberoptics.

Insulated and rugged, fiberoptics eliminates aggravations typically found in radio and phone line systems such as slow response time, large costs, and repeat failures. It is the most reliable medium available today for data communication. By investing in an H&L Digital I/O to connect your electrical switches, you're ensuring that you achieve the best performance possible.

The Model 531* is flexible and simple to install. It offers plug-in optical modules for multimode and singlemode fiber operation. Easy-to-read LED indicators allow you to quickly check the system status. The Fiberoptic Digital I/O also includes 8 opto-isolated inputs and 8 isolated microprocessor fault-protected relay outputs. This allows you to connect electronic signals without a ground loop, as well as maintain a floating signal. The latched outputs remember the state of the communication that you send, ensuring reliable data exchange and relay. The Model 531 actively tests the signal for errors, consistently checking to prevent accidental state changes.

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