Description
1. Product Description
⚙️ The ABB CI854A (3BSE030221R1) is a PROFIBUS-DP communication interface used in ABB AC 800M control systems. It enables communication between the controller and compatible PROFIBUS-DP field devices, including remote I/O stations, drives, and other automation equipment.
🔧 The interface supports integration with distributed control architectures and helps exchange process data between the controller and field-level devices. Before installation or replacement, verify controller compatibility, firmware requirements, communication configuration, bus termination, and the applicable hardware revision.

CI854A 3BSE030221R1
2. Product Parameters
📋 Brand: ABB
Model: CI854A
Order Number: 3BSE030221R1
Series: System 800xA / AC 800M
Product Name: PROFIBUS-DP Communication Interface
Communication Protocol: PROFIBUS-DP
Application: Industrial control and field-device communication
Place of Manufacture: To be confirmed
Product Status: Confirm actual inventory condition
Dimensions: Verify against ABB documentation
Weight: Verify against the product datasheet
Country of Origin: Check product nameplate
Power Requirements: Supplied according to the compatible controller-system configuration
Discontinued: Confirm current lifecycle status with ABB
3. Recommended ABB Models
🔩 1. ABB CI854B — PROFIBUS-DP communication interface; verify compatibility.
2. ABB CI851 — PROFIBUS-DP communication interface for compatible systems.
3. ABB CI853 — Serial communication interface.
4. ABB CI855 — Communication interface for compatible AC 800M systems.
5. ABB CI867K01 — Modbus TCP communication interface.
6. ABB CI871K01 — PROFINET IO communication interface.
7. ABB CI873 — Ethernet communication interface.
8. ABB PM851A — AC 800M controller.
9. ABB PM856K01 — AC 800M controller.
10. ABB PM861AK01 — AC 800M controller.
11. ABB PM864AK01 — AC 800M controller.
12. ABB PM866AK01 — AC 800M controller.
13. ABB TU846 — Module termination unit for compatible I/O systems.
14. ABB AI810 — Analog input module.
15. ABB AO810 — Analog output module.
⚠️ Recommended models are related ABB automation products, not all direct replacements. Confirm hardware revision, controller compatibility, firmware, and application requirements before ordering.



