The GE IS420ESWBH2A and IS420ESWBH3A are Industrial Ethernet Switches specifically designed for use in GE’s Mark VIe control systems, commonly found in power generation and industrial applications. They are unmanaged switches that provide reliable and deterministic communication within the control network.   

Product Name:

GE IS420ESWBH2A/IS420ESWBH3A Ethernet IONet Switch

Product Description:

• These switches are essential components in Mark VIe control systems, facilitating communication between various devices such as controllers, I/O modules, and HMIs.
• They are designed to meet the demanding requirements of industrial environments, offering robust performance and reliability.
• The switches are unmanaged, meaning they require no configuration and are easy to deploy. They operate on a plug-and-play basis.   
• They are specifically designed to handle the real-time communication needs of industrial control systems.   

Key Differences between IS420ESWBH2A and IS420ESWBH3A:

While both are Ethernet switches for Mark VIe systems, there are some differences:

• IS420ESWBH2A:
  • 16 x 10/100Base-TX copper ports (RJ-45)   
  • 2 x 100Base-FX multi-mode fiber ports (LC-type)   
• IS420ESWBH3A:
  • Likely has more advanced features or a different port configuration compared to the H2A. Unfortunately, precise details are harder to find without official documentation. It might have Gigabit ports or different fiber options.

Product Parameters and Specifications (General for both, with known differences):

• Number of Ports:
  • H2A: 16 copper + 2 fiber
  • H3A: Details vary, likely more ports or different types
• Port Type:
  • 10/100Base-TX (copper, RJ-45)   
  • 100Base-FX (multi-mode fiber, LC-type) – H2A   
  • Potentially Gigabit or single-mode fiber on H3A
• Switching Technology: Store-and-forward
• Power Requirements: 24/28 VDC, 1A max   
• Operating Temperature: -40 to 70°C (-40 to 158°F)   
• Mounting: DIN-rail mountable
• Dimensions: Approximately 18.8 x 8.6 x 5.6 cm (7.40 x 3.40 x 2.20 in)   

Product Use:

These switches are used to create the communication network within a Mark VIe control system. Their main functions include:   

• Connecting Devices: Linking controllers, I/O modules, HMIs, and other devices within the control network.
• Facilitating Communication: Enabling data exchange between different parts of the control system.
• Ensuring Real-Time Performance: Providing reliable and deterministic communication for time-critical control applications.

Applications:

• Power Generation: Used in gas turbine, steam turbine, and combined cycle power plants.   
• Oil and Gas: Employed in refineries, pipelines, and offshore platforms.
• Other Industrial Processes: Suitable for various industrial applications requiring robust and reliable communication networks.

Key Features and Benefits:

• Industrial Grade: Designed for harsh industrial environments.
• Unmanaged Operation: Simple plug-and-play setup.
• Real-Time Performance: Ensures reliable communication for control applications.   
• Fiber Optic Options: Provides long-distance communication capabilities and immunity to electromagnetic interference (EMI).

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