ABB EI812F (3BDH000021R1) – Ethernet interface module for Freelance AC 800F control systems

The ABB EI812F is an Ethernet interface module that typically serves as the network bridge for ABB Freelance AC 800F-based systems. From my experience, it’s the piece you add when you want reliable controller-to-plant network connectivity for HMI/SCADA access, engineering tools, and controller integration without overcomplicating the cabinet. It seems to be a favored choice in brownfield upgrades where stable TCP/IP connectivity and long-term availability matter more than flashy specs.

Company Order Placement Process and Guarantees

• Warranty: 365 days
• Delivery: In-stock items typically ship within 1 week; no more than 1 month at the latest
• Payment: 50% advance payment; full balance prior to delivery
• Express Options: FedEx, UPS, DHL

Key Features

• Purpose-built for ABB Freelance AC 800F: Designed to integrate cleanly with AC 800F controllers for stable TCP/IP networking in distributed control setups.
• Industrial Ethernet connectivity: Provides 10/100Base‑TX over RJ45 for controller networking, engineering access, and SCADA/HMI communication.
• Backplane-powered simplicity: Power is supplied via the system backplane, so wiring stays tidy and commissioning is quicker.
• Status diagnostics: Front-panel LEDs make it easy to verify link, activity and module status during FAT or onsite troubleshooting.
• Cabinet-friendly design: Compact module footprint that fits standard AC 800F baseplate installations and typical 600/800 mm control cabinets.
• Lifecycle stability: In many cases, the EI812F is chosen for its predictable behavior with stable firmware and broad ABB ecosystem compatibility.

Technical Specifications

Application Fields

You might notice the EI812F used wherever an ABB Freelance AC 800F controller needs a dependable Ethernet gateway:

• Process industries: chemicals, pharmaceuticals, food & beverage – controller-to-SCADA links and historian access
• Power & utilities: balance-of-plant networking, turbine auxiliary systems, water treatment skids
• Oil & gas: packaged skids and compressor stations needing secure engineering connectivity
• Metals, pulp & paper: line control, machine sections, and integration into site networks

Advantages & Value

• Reliability: Stable behavior with ABB Freelance makes factory acceptance and site commissioning more predictable.
• Compatibility: Works within the AC 800F ecosystem, reducing integration risk and avoiding one-off gateways.
• Cost control: Backplane power and straightforward wiring typically cut installation time and spare-parts overhead.
• Supportability: Access to ABB documentation and global service channels; firmware alignment with common Freelance versions.

Customer feedback (real-world use): “After swapping in the EI812F, our engineering tool connected first time and HMI tags came online without rework. We’ve left it untouched since—just routine checks.”

Installation & Maintenance

• Cabinet & grounding: Install in a clean, dry control cabinet with proper PE bonding. Maintain ventilation and keep ambient below 55 °C.
• Wiring: Use shielded CAT5e/CAT6 for RJ45 runs; separate from high-voltage or VFD cables. Observe minimum bend radius and label both ends.
• Network design: Assign fixed IPs per site standards; segregate control and office traffic (VLANs) where applicable. Avoid unmanaged daisy chains.
• Firmware alignment: Match module firmware with your Freelance/AC 800F version. From my experience, upgrading controller first then I/O/comm modules reduces downtime.
• ESD & handling: Observe ESD precautions when inserting/removing from the baseplate. Power down according to site MOC procedures.
• Routine maintenance: Quarterly check link/activity LEDs, inspect RJ45 connectors, clean dust with dry air, and review system event logs. Keep one spare module on hand for critical loops.

Quality & Certifications

• Certifications: CE and RoHS compliance are typical for this series; some batches may carry UL/cUL. Verify the exact markings on the nameplate for your unit.
• Manufacturer warranty: Standard ABB manufacturer terms apply; our supply warranty is 365 days.

Related/Supporting Components (typical in projects)

• ABB AC 800F controller main module (PM-series for Freelance)
• AC 800F baseplate and power module
• S800 I/O modules for field signals (AI, AO, DI, DO) where required
• Industrial Ethernet switches (managed), patch panels, cabinet accessories