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Phone: +86 16626708626Description
2. Product Core Brief
- Model: CI861K01 (3BSE058590R1)
- Brand: ABB
- Series: AC800M Controller Platform
- Core Function: Profibus DP communication interface
- Product Type: Communication Interface Module
- Key Specs: Profibus DP-V1 Master, 12 Mbps communication rate, S800 I/O integration
- Condition: New Original / New Surplus
3. Key Technical Specifications
| Parameter | Value |
|---|---|
| Model Number | CI861K01 |
| ABB Part Number | 3BSE058590R1 |
| Product Type | Communication Interface Module |
| Communication Protocol | Profibus DP / DP-V1 |
| Max Communication Speed | 12 Mbps |
| Controller Compatibility | ABB AC800M |
| Supported I/O Systems | S800 I/O |
| Node Capacity | Up to 125 Profibus devices |
| Interface Connector | 9-pin Sub-D Profibus |
| Power Consumption | Approx. 2.5 W |
| Operating Temperature | 0 to +55 °C |
| Mounting | AC800M controller rack |
| Weight | Approx. 0.18 kg |
- CI861K01 3BSE058590R1
4. Product Introduction
The ABB CI861K01 (3BSE058590R1) is a Profibus DP communication interface module designed for the ABB AC800M controller platform. It enables the controller to act as a Profibus DP master, allowing communication with distributed field devices, remote I/O stations, drives, and instrumentation.
Engineers typically use this module when integrating S800 I/O racks or third-party Profibus devices into an AC800M DCS architecture. The module supports DP-V1 functions for cyclic and acyclic communication, allowing parameterization and diagnostics directly from the control system.
5. Troubleshooting Quick Reference
| Symptom | Possible Cause | Relevance to this Part | Quick Check Method | Recommendation |
|---|---|---|---|---|
| No LEDs on module | Backplane power missing | ❌ Low | Measure 24 V DC on controller rack power input | Check PSU and rack supply before replacing |
| Profibus network offline | Broken bus cable or termination | ❌ Low | Measure continuity on Profibus cable and verify termination resistor | Inspect network wiring and connectors |
| Controller reports “DP Communication Fault” | Profibus interface failure | ✅ High | Check module status LEDs and diagnostics in Control Builder | Replace CI861 module if fault persists |
| Devices intermittently dropping offline | Network termination incorrect | ❌ Low | Verify terminating resistors on first/last device | Fix termination before replacing hardware |
| Profibus slave not detected | Node address conflict | ❌ Low | Scan network using engineering software | Correct device addressing |
| PROFIBUS LED flashing red | Firmware or configuration mismatch | ⚠️ Medium | Check firmware version and network configuration | Reload configuration or replace module |
Field tip: Most Profibus issues come from cabling and termination errors, not the interface module. Check the network wiring before pulling the card.
If diagnostics are unclear, send photos of the rack LEDs and the diagnostic buffer from Control Builder. That usually reveals the root cause quickly.
6. Frequently Asked Questions (FAQ)
Q1. Can the ABB CI861K01 be hot-swapped?
No. Power down the AC800M rack before removing or inserting the module. The backplane bus is not designed for live insertion, and hot-swapping risks damaging the controller or adjacent modules.
Q2. What is the difference between CI861 and CI861K01?
CI861K01 is the kit version typically supplied with accessories such as connectors or documentation. Functionally, the interface hardware is the same Profibus DP communication module used in the AC800M platform.
Q3. How many Profibus devices can this module handle?
A standard Profibus DP segment supports up to 125 nodes, including the master. In real installations the practical limit depends on scan time, cable length, and device response time.
Q4. Does the module store configuration data?
No. The configuration is stored in the AC800M controller memory and downloaded from ABB Control Builder. Replacing the module normally does not require reprogramming—once the controller boots, it pushes the configuration again.
Q5. Why is your price lower than buying directly from the factory?
Most units available in the secondary market are New Surplus inventory. These are genuine OEM modules from canceled projects, system upgrades, or excess distributor stock. They are unused but not sourced directly from ABB’s current sales channel.
Q6. Is this module obsolete?
The AC800M platform remains widely deployed, but many plants keep spare communication modules because Profibus infrastructure is slowly being replaced by Ethernet-based protocols. Stock availability fluctuates, so plants often secure spares in advance.
Q7. What warranty do you provide?
Typically 12 months functional warranty for New Original or tested modules. If a unit fails during normal operation, replacement or refund is provided according to warranty terms.
