Description
ABB CI853K01-3BSE018103R1 – PROFIBUS-DP Interface for AC 800M Control Systems

The ABB CI853K01 (order code 3BSE018103R1) is a CEX-bus communication interface typically used to connect AC 800M controllers to PROFIBUS-DP field devices. From my experience, it’s a practical choice when you need stable DP communication to drives, intelligent instruments, or remote I/O without introducing additional gateways. Many plants use it to extend existing PROFIBUS segments or to keep long-running 800xA systems uniform and easy to maintain.
Company’s Order Placement Process and Guarantees
- Warranty period: 365 days
- Delivery time: 1 week for in-stock items; no more than one month at the latest
- Payment: 50% advance payment, full payment before delivery
- Express delivery: FedEx, UPS, DHL
- Every unit is function-tested before shipment and safely packed for industrial transit.
Key Features
- PROFIBUS-DP connectivity – Provides master-side communication to DP field devices at standard rates (typically up to 12 Mbit/s) for drives, valves, and remote I/O.
- Seamless AC 800M integration – Mounts on the CEX-bus and is engineered to work with PM8xx controllers and 800xA engineering tools.
- Deterministic control data – Suits time-critical cyclic I/O exchange, with support for typical DP-V0/DP-V1 functions used in process and hybrid manufacturing.
- Industrial EMC design – Shielded wiring practices and proper grounding minimize noise issues in cabinets with VFDs and heavy loads.
- Flexible topology – Works in most DP segment layouts with correct termination, allowing long cable runs and multi-drop device chains.
- Accessory-ready – Commonly paired with the TB850 base unit for DIN-rail installation in AC 800M panels.
Technical Specifications
| Brand / Model | ABB CI853K01 – 3BSE018103R1 |
| HS Code | 8537.10 (Programmable controllers and related modules) |
| Power Requirements | 24 V DC supplied via CEX-bus from the AC 800M base/controller |
| Operating Temperature | 0 to +55 °C (typical AC 800M cabinet conditions) |
| Signal Input/Output Types | PROFIBUS-DP (RS-485), cyclic data exchange; standard DP rates up to 12 Mbit/s |
| Communication Interfaces | CEX-bus to AC 800M; Fieldbus to PROFIBUS-DP network |
| Installation Method | DIN-rail in control cabinet, typically with TB850 base unit; standard AC 800M wiring and grounding practices |
| Dimensions & Weight | CEX-module form factor for AC 800M; compact footprint suitable for multi-module cabinets |
Application Fields
You’ll typically see the CI853K01 used where AC 800M needs reliable PROFIBUS-DP control:
- Process industries (chemicals, oil & gas, power, water) linking drives, MCCs, and remote I/O over DP
- Hybrid manufacturing (food & beverage, life sciences) for deterministic I/O with validated device lists
- Material handling and utilities where long cable runs and robust RS‑485 are beneficial
- Modernizations extending existing PROFIBUS segments without changing the control platform
A maintenance manager told us they prefer this module when adding a few extra DP drives: “It just drops in on the CEX-bus and the DP diagnostics are what our team already knows.”
Advantages & Value
- Reliability – Proven in 24/7 environments; stable DP communication when shielding and termination are done right.
- Compatibility – Fits AC 800M architectures and typical 800xA engineering workflows; supports common DP device profiles.
- Cost-conscious expansion – Often simpler than adding external gateways; uses existing cabinet rail space.
- Long-term maintainability – Spare-part strategy is straightforward; teams familiar with ABB DP setups ramp quickly.
Installation & Maintenance
- Cabinet environment: 0…55 °C ambient, vibration-controlled cabinet with adequate ventilation.
- Mounting: Install on DIN rail using TB850 (or equivalent CEX base unit) adjacent to the PM8xx controller.
- Wiring: Use PROFIBUS-compliant shielded twisted pair; maintain correct segment termination at both ends.
- Grounding/EMC: Bond cable shields at cabinet entry; avoid parallel runs near high-frequency VFD cabling.
- Network planning: Choose DP baud rate to match segment length and device count; verify with a bus analyzer when possible.
- Routine checks: Inspect connectors and terminations quarterly; keep device GSD files and controller backups current.
- Firmware/practice: Apply firmware updates as per plant policy; validate changes in a staging system before production.
Quality & Certifications
- CE compliant; designed for industrial EMC environments
- RoHS-conform design in most markets
- Manufactured under ISO 9001 quality systems
- Manufacturer’s standard warranty applies; our store coverage is 365 days as stated above
Related Accessories and Compatible Components
- TB850 base unit – Required DIN-rail base for CEX modules
- AC 800M controllers – PM851/PM856/PM860 series and similar
- PROFIBUS connectors and terminators – 9‑pin connectors with integrated termination, panel feed-throughs
If you’re expanding an existing ABB PROFIBUS segment or standardizing device connectivity across a few skids, the CI853K01 seems to be a low-risk, straightforward path. One thing I appreciate is how predictable the commissioning is when your device GSDs and DP addresses are organized ahead of time.








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