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- ABB
- CI856K01
- S100 I/O Interface Module
- Sweden
- 185 mm × 59 mm × 127.5 mm
- 0.7kg
- 3BSE026055R1
- Xiamen, China
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ABB CI856K01 (3BSE026055R1) — Product Overview
Brand: ABB
Series: AC 800M Communication Interface (S100 I/O Interface Kit)
Product Introduction
The ABB CI856K01 (part number 3BSE026055R1) is a communication interface kit designed to connect ABB’s AC 800M controller series with the S100 I/O system. It contains both the CI856 communication interface and the TP856 baseplate. Mounted on a DIN rail, it bridges CEX-bus to S100 field I/O racks, facilitating distributed control with modular flexibility.
Product Parameters
| Parameter | Specification |
|---|---|
| Model | CI856K01 (3BSE026055R1) |
| Function | Communication Interface Kit for AC 800M ↔ S100 I/O systems |
| Contents | CI856 communication interface + TP856 baseplate |
| Mounting | DIN-rail |
| CEX-bus Capacity | Up to 12 S100 I/O modules |
| Power Consumption | Approx. 120 mA @ 24 V DC (~2.9 W) |
| Dimensions (HxWxD) | Approx. 185 mm × 59 mm × 127.5 mm (18.5 × 5.9 × 12.75 cm) |
| Weight | ~0.7 kg (net); Shipping weight up to ~1.5 kg |
| Operating Temperature | Maximum ambient 55 °C |
| Protection Rating | IP20 (indoor cabinet use) |
| Origin | Sweden or Switzerland |
| RoHS Compliance | Yes |
Product Applications
The CI856K01 is commonly used in:
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Distributed control systems, bridging AC 800M controllers and remote S100 I/O racks
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Process industries—power plants, water treatment, manufacturing facilities requiring modular control setups
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Upgrades or expansions, enabling reuse of existing S100 installations for efficient scaling
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Field environments where hot-swapping and robust I/O architecture are desired
Its compact modularity enables easier panel layouts and maintains continuity in existing field wiring.
Product Advantages
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Modular integration Allows seamless bridging of AC 800M I/O systems with S100 racks, preserving existing hardware
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Compact and lightweight At approx. 0.7 kg and modest size, fits snugly in tight control environments
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Supports multiple I/O racks Capable of connecting up to 12 I/O modules via CEX-bus
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Energy-efficient Low power draw (~120 mA at 24 V DC), minimizing thermal footprint
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Engineered reliability Manufactured in Sweden/Switzerland and built for industrial durability
Related Models and Family
| Model | Description |
|---|---|
| CI856K01 | Current S100 I/O interface (this model) |
| CI854AK01‑EA | Profibus DP/V1 communication interface |
| CI855K01 | MB300 fieldbus interface |
| CI853K01 | Earlier MB300 or similar communication interface |
| CI856 (module only) | Interface without baseplate |
Popular ABB Communication Modules (Same Brand)
| Model | Function |
|---|---|
| CI854AK01‑EA | Profibus DP/V1 field interface |
| CI855K01 | MasterBus 300 field interface |
| CI867 | Modbus TCP interface |
| CI873 | Ethernet/IP interface |
| CI810A | Foundation Fieldbus field interface |
Frequently Asked Questions (QA)
Q1: What does the CI856K01 do?
A1: It connects the AC 800M controller with S100 I/O racks via CEX-bus, enabling distributed I/O setups.
Q2: How many I/O modules can it manage?
A2: Supports up to 12 I/O modules downstream on CEX-bus.
Q3: What are its dimensions and weight?
A3: Roughly 185 × 59 × 127.5 mm, weighing around 0.7 kg.
Q4: How much power does it use?
A4: About 120 mA at 24 V DC, equating to roughly 2.9 W.
Q5: Is it robust enough for industrial use?
A5: Yes—IP20 rated, design matches G3 severity I/O environments and can be hot-swapped.
Q6: Where is the module manufactured?
A6: Typically from Sweden or Switzerland under ABB production.
Q7: Does it offer hot-swap capability?
A7: Yes—it supports hot-swapping in RUN mode for low-maintenance operations.
Q8: What system layers does it integrate with?
A8: Specifically designed for the AC 800M controller family and S100 I/O system.
Q9: What certifications does it have?
A9: RoHS compliant with standard industrial packaging and authentication.
Q10: Why is CI856K01 beneficial in automation setups?
A10: It preserves existing field modules and wiring, simplifies installation, and maintains high system availability.