The ABB EI802F (Part Number 3BDH000016R1) is a high-speed Ethernet communication module designed for the AC 800F field controller within the Freelance distributed control system (DCS) family. This module enables the controller to interface with plant-wide networks, providing a robust path for data exchange between the controller, operator stations, and other networked I/O. It supports standard Ethernet protocols and is engineered for the high-availability requirements of industrial automation, featuring enhanced noise immunity and reliable data throughput.
Product Technical Specifications
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Model Number: EI802F
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Part Number: 3BDH000016R1
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Interface Type: 10/100 Base-TX Ethernet
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Connector Type: RJ45
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Protocol Support: TCP/IP, UDP, and proprietary ABB Freelance protocols
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Bus Connection: Internal AC 800F module bus
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Power Supply: Via the controller’s internal power bus
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Operating Temperature: 0°C to +60°C
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Dimensions: 145mm x 28mm x 110mm
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Weight: 0.22 kg
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Country of Origin: Germany
Application Areas The EI802F is primarily utilized in process automation sectors such as water and wastewater treatment, food and beverage production, and chemical processing. Its main role is to facilitate vertical communication from the field controller level to the supervisory levels (HMI/SCADA). It is also used for peer-to-peer communication between different AC 800F controllers, allowing for coordinated control strategies across a distributed plant network.
Product Operating Instructions Installation must be performed within an AC 800F station. Before inserting the EI802F, ensure the controller rack is powered down to prevent any electrical arcing or data corruption on the module bus. Slide the module into the designated slot until the front connectors are flush with the adjacent modules, then secure it using the integrated locking mechanism. Connect the Ethernet cable into the RJ45 port; it is highly recommended to use shielded Category 5e (or higher) cabling to ensure performance in electrically noisy environments. During commissioning, use the Freelance Engineering software to assign the IP address and network parameters. Verify the “LNK” (Link) and “ACT” (Activity) LEDs on the front panel to confirm successful network integration.

Common Questions & Answers
Q: Can I use the EI802F for redundant network configurations? A: Yes, the AC 800F architecture supports the use of two EI802F modules in a single controller for network redundancy, ensuring that a cable break or switch failure does not interrupt plant communications.
Q: Does this module support Power over Ethernet (PoE)? A: No, the EI802F does not support PoE. It receives its operating power directly from the internal backplane of the AC 800F controller.
Q: How do I reset the IP address if it is forgotten? A: If the IP address is unknown, you can typically access the module through the Freelance Engineering tool using the hardware’s MAC address or by performing a factory reset via the controller’s system settings.
Q: What is the difference between the EI802F and the older EI801F? A: The EI802F is a newer revision providing improved hardware stability and full 10/100 Mbps auto-negotiation, making it more compatible with modern industrial Ethernet switches compared to some legacy versions.
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