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The GE IS420ESWBH4A is a 16-port IONet switch with one single-mode (SM) fiber optic port designed for the Mark VIe control system. It’s a key component for managing high-speed, long-distance communication in large industrial plants.
Key Features and Applications
This switch is designed for high performance and reliability, particularly in applications that span long distances.
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- 16-Port IONet Switch: With a high port count, this switch acts as a central hub for a significant number of field devices and I/O modules, making it suitable for complex control systems with extensive I/O requirements. This design reduces the need for multiple switches and simplifies the network architecture.
- One Single-Mode Fiber Port: The inclusion of a single-mode fiber optic port is a crucial feature. Single-mode fiber is optimized for transmitting data over very long distances, often several kilometers, with minimal signal degradation.
This makes it ideal for connecting control panels to remote equipment or other control rooms without data loss from electromagnetic interference (EMI) or signal attenuation over distance.
- IONet Protocol: The switch operates on the IONet protocol, a proprietary GE network designed for real-time, low-latency control. This ensures that critical data is delivered quickly and reliably, which is vital for the fast response times required in turbine and generator control.
- System Redundancy: In critical applications, the IS420ESWBH4A is often deployed in redundant pairs. This configuration ensures that if one switch fails, the other can take over seamlessly, preventing communication loss and maintaining continuous control.
The GE IS420ESWBH4A is commonly used in:
- Power Generation: To link turbine and generator control modules to the main processor, particularly when control panels are located far from the equipment they manage.
- Oil & Gas: For connecting I/O modules in remote or hazardous areas where long-distance fiber optic communication is necessary.
- Large-Scale Industrial Plants: In complex process control systems where reliable, high-speed communication is required over long distances.
