Product Core Brief
- Model: CI854AK01
- Order Code: 3BSE030220R1
- Brand: ABB
- Series: AC 800M — PROFIBUS DP Communication Interface
- Core Function: Dual-channel PROFIBUS DP-V1 master communication module for ABB AC 800M controllers, connecting PROFIBUS DP slave devices (remote I/O, drives, instruments) to the controller via CEX-bus.
- Product Type: PROFIBUS DP Communication Interface Module Kit
- Key Specs: 2× DB9 RS-485 channels | PROFIBUS DP-V0/DP-V1 | up to 12 Mbit/s | CEX-bus powered | line & master redundancy support | includes TP854 baseplate
- Condition: New Original (New Surplus) / Factory Sealed
Product Introduction
The ABB CI854AK01 (3BSE030220R1) is a PROFIBUS DP-V1 communication interface module for the ABB AC 800M controller family, used within System 800xA distributed control systems. It mounts on the controller’s CEX-bus and provides two independent PROFIBUS DP channels (RS-485, DB9 connectors) for connecting PROFIBUS DP slave devices such as remote I/O stations, variable frequency drives, valve positioners, and intelligent field instruments.
This unit is sold as a K01 kit that includes the CI854A communication module and the TP854 terminal baseplate, enabling direct DIN-rail installation. The module operates as a Class 1 PROFIBUS DP master, supporting both cyclic I/O data exchange and acyclic DP-V1 parameterization/diagnostics. It draws power directly from the CEX-bus — no external power supply is required.
Why this matters: the CI854AK01 is a widely deployed but increasingly hard-to-source communication module for plants running installed AC 800M systems. A failed PROFIBUS interface can disrupt communication with remote I/O clusters, drives, or third-party devices, potentially affecting an entire process unit. Verified new-surplus stock with proper firmware matching is critical for maintaining system availability.
Key Technical Specifications
| Parameter | Value |
|---|---|
| Model | |
| Order Code | 3BSE030220R1 |
| Module Type | PROFIBUS DP-V1 Communication Interface |
| Compatible Platform | ABB AC 800M / System 800xA |
| Protocol | PROFIBUS DP-V0 / DP-V1 (Class 1 Master) |
| Channels | 2× DB9 RS-485 (Channel A / Channel B) |
| Baud Rate | 9.6 kbit/s – 12 Mbit/s (auto-detect) |
| Max Slaves per Channel | Up to 125 (32 per segment without repeater) |
| Bus Interface | CEX-bus (mounts on AC 800M controller) |
| Power Supply | 24 VDC via CEX-bus (19.2–30 VDC) |
| Power Consumption | ~4.56 W typical |
| Electrical Isolation | 500 VAC between CEX-bus and PROFIBUS field side |
| Redundancy | Line redundancy + master redundancy supported |
| Operating Temperature | 0 to +55 °C |
| Included Baseplate | TP854 |
| Engineering Tool | Control Builder M + Fieldbus Builder (GSD file import) |
Data sourced from ABB product references and distributor datasheets. Exact firmware revision should be confirmed against the installed unit label before ordering.
Key Selling Points & Differentiators
- Exact ABB CI854AK01 replacement. Matches order code 3BSE030220R1 — the standard PROFIBUS DP-V1 master module for AC 800M controllers.
- Dual-channel PROFIBUS DP. Two independent RS-485 channels support separate bus segments or line redundancy configurations.
- DP-V1 capability. Supports both cyclic I/O data and acyclic parameterization/diagnostics via GSD files.
- Full kit with TP854 baseplate. Includes the required terminal base for direct installation — no separate baseplate order needed.
- CEX-bus powered. No external power wiring required; draws power from the AC 800M controller backplane.
- Hard-to-source legacy product. Increasingly difficult to obtain through standard ABB channels. We stock verified, unused units — not field-pulled modules with unknown runtime hours.
- Not recommended for non-ABB platforms, AC 800F systems, PROFIBUS PA direct connection (requires a linking device), or applications requiring PROFINET/EtherNet/IP (use CI871/CI873 instead).
- 12-month warranty with pre-shipment label verification and visual inspection.
Quality Transparency SOP
- Label & order code audit. Verify “CI854AK01” and “3BSE030220R1” on the module faceplate. Record firmware/revision markings.
- Visual PCB inspection. Check for burnt components, swollen capacitors, corrosion, or damaged traces around the RS-485 transceivers and CEX-bus connector.
- Connector & port check. Verify both DB9 PROFIBUS ports and the CEX-bus connector are straight, clean, and undamaged.
- Baseplate verification. Confirm the TP854 baseplate is included, with intact DB9 connectors and proper mounting hardware.
- LED indicator check. Verify front-panel LEDs (RUN, DUAL, Fault, Channel A/B) are intact and undamaged.
- ESD packaging. Sealed in anti-static bag, foam-padded box, shipped with a signed inspection report.
Technical Risk Avoidance
- ❗ Confirm order code before ordering. CI854AK01 (3BSE030220R1) is the kit with TP854 baseplate. The bare module CI854A is order code 3BSE030221R1. The newer generation CI854BK01 (3BSE069449R1) is a different variant. Do not mix them.
- ❗ Verify PROFIBUS mode. CI854 operates as a DP master only — it does not function as a PROFIBUS slave. For slave applications, use CI801 or CI830.
- ❗ Check redundancy configuration. Line redundancy uses the two DB9 channels on one module. Master redundancy requires two CI854 modules and redundant CPU configuration.
- ❗ Match GSD files. Third-party PROFIBUS devices require GSD file import in Control Builder M / Fieldbus Builder. Ensure GSD files are available before commissioning.
- ❗ Document bus parameters. Record station addresses, baud rates, segment topology, and termination settings before removing the failed module.
- ❗ Validate after replacement. Verify channel status LEDs, perform PROFIBUS bus scan, and confirm cyclic data exchange with all slave devices before returning to full service.
- ❗ Not for PROFIBUS PA direct connection. PROFIBUS PA segments require a linking device (e.g., ABB PROFIBUS Power Hub) between DP and PA networks.
Buyer’s FAQ
Q: What is ABB CI854AK01? A: It is a dual-channel PROFIBUS DP-V1 master communication module for ABB AC 800M controllers, order code 3BSE030220R1, supplied as a kit with TP854 baseplate.
Q: What systems is it compatible with? A: It is compatible with ABB AC 800M controllers (PM856, PM861, PM864, PM866, etc.) in System 800xA environments. It mounts on the CEX-bus.
Q: What is the difference between CI854AK01 and CI854A? A: CI854AK01 (3BSE030220R1) is a kit that includes the CI854A module plus the TP854 baseplate. CI854A (3BSE030221R1) is the bare module without the baseplate.
Q: Can it be used as a PROFIBUS slave? A: No. CI854 operates only as a PROFIBUS DP master (Class 1). For slave applications, use CI801 or CI830.
Q: Does it support redundancy? A: Yes. It supports line redundancy (via the two DB9 channels) and master redundancy (with two CI854 modules and redundant CPU).
Q: Is this new or refurbished? A: New original surplus — factory sealed, never installed. We do not sell field-pulled or refurbished units as “new.”
Q: What should I send before ordering? A: Please provide a clear photo of the existing module label, order code, firmware revision, whether it is used in redundant configuration, and the connected PROFIBUS devices.
Q: What’s the lead time and warranty? A: In-stock units ship within 1–2 business days. 12-month warranty from ship date, covering manufacturing defects and DOA failures.
