The ABB EI811F 3BDH000020R1 is an Ethernet communication module for the ABB AC800F process control system. It uses a 10BASE2 (thin coax) interface to connect the controller to the DigiNet S system bus, enabling high-speed data exchange with HMIs, SCADA systems, and remote I/O stations.
Item No :
EI811F 3BDH000020R1Order(MOQ) :
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EXWProduct Origin :
SwedenShipping Port :
WuhanLead Time :
3-5daysWeight :
3kg| Feature | Description |
|---|---|
| Manufacturer | ABB |
| Model / Order Code | EI811F / 3BDH000020R1 |
| Product Series | ABB AC800F / Freelance 800F |
| Core Function | Ethernet communication for the DigiNet S system bus . |
| Communication Standard | IEEE 802.3 (10BASE2, "Thin Ethernet") . |
| Interface Type | BNC coaxial connector . |
| Data Transfer Rate | 10 Mbit/s (some sources indicate 10/100 Mbps support) . |
| Data Bus | 32-bit with DMA; CPU load < 4% . |
| System Bus | DigiNet S . |
| Backup Battery | Supports optional battery backup (e.g., SB808F) to retain RAM data . |
| Status Indicators | LED for status (green, orange, red) and battery level . |
| Power Consumption | Max 3.1W . |
| Weight | Approx. 170g (with battery) . |
| Category | Model | Description |
|---|---|---|
| Ethernet (10Base2) | EI801F | Earlier module, also uses a BNC coaxial connector . |
| Ethernet (10Base5/AUI) | EI802F | Legacy module with an AUI interface (15-pin connector) . |
| Ethernet (RJ45) | EI812F | Newer standard Ethernet module with 10/100Base-TX RJ45 ports for AC800F . |
| Ethernet (RJ45) | EI813F | Updated standard Ethernet module recommended for new installations . |
| Processor Module | PM802F / PM803F | Main CPU units for the AC800F system that these modules connect to. |
| Battery Backup | SB808F | Optional backup battery unit compatible with the EI811F . |
Q1: What is the primary purpose of the EI811F module?
It provides an Ethernet interface for the ABB AC800F controller, enabling communication on the DigiNet S system bus with HMIs, SCADA systems, and other network devices .
Q2: What type of physical connection does the EI811F use?
It uses a BNC coaxial connector for a 10BASE2 ("Thin Ethernet") network. It does not support a standard RJ45 Ethernet cable directly .
Q3: How does the EI811F differ from the EI801F?
While both use a BNC connector and support the same 10BASE2 standard, the EI811F is a more modern version and is recommended as an upgrade or replacement for the older EI801F module .
Q4: What do the status LEDs on the module indicate?
The LEDs show operating status: green indicates normal operation, orange suggests the module is starting up or in configuration mode, and red indicates a fault. A flashing orange LED typically means the module is not connected to the system bus .
Q5: Is the EI811F still available from ABB?
This module is a legacy product that has been phased out by ABB in favor of newer RJ45-based modules like the EI812F and EI813F. It is now primarily available through the third-party aftermarket or as used spare parts.
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