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- ABB
- CI857K01/CI857
- AC 800M Communication Interface Module
- Sweden
- 59 × 185 × 127.5 mm
- 0.7kg
- 3BSE018144R1
- Xiamen, China
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ABB CI857K01 / CI857 (3BSE018144R1) — Product Overview
Brand: ABB
Series: AC 800M / System 800xA — INSUM Ethernet Communication Interface
Product Introduction
The CI857K01, also known simply as CI857 (ABB part number 3BSE018144R1), is an Ethernet-based INSUM fieldbus interface module. Designed for ABB’s AC 800M controllers, it enables seamless integration with the INSUM Ethernet network, providing reliable, long-distance data exchange with precise time-stamped control loops. The interface is hot-swappable and powered through the controller’s backplane—no separate power needed.
Product Parameters
| Parameter | Specification |
|---|---|
| Model | CI857K01 / CI857 (3BSE018144R1) |
| Protocol | INSUM Ethernet (10 Mbit/s) – Master mode |
| Master/Slave | Master |
| Transmission Speed | 10 Mbit/s |
| Line / Module Redundancy | Line: No Module: No |
| Hot‑Swap | Yes (in RUN mode) |
| Max MCUs per AC 800M | 6 CI857 units per controller |
| Max INSUM Devices per CI857 | Up to 128 MCUs |
| MB300 Gateway Limit | Max 2 INSUM → TCP/IP gateways per CI857; each supports 128 devices |
| CEX‑Bus Power | Powered by the AC 800M backplane via CEX‑Bus |
| Max Connection Distance | Extended via standard Ethernet cabling (machine dependent) |
| Dimensions (W×H×D) | 59 × 185 × 127.5 mm (2.3″ × 7.3″ × 5.0″) |
| Weight (incl. base) | Approx. 0.70 kg (1.5 lb) |
| Power Use | ~150 mA @ 24 V DC (~3.6 W) |
| Operating Temp. | +5 °C to +55 °C |
| Storage Temp. | –40 °C to +70 °C |
| Protection Rating | IP20 |
| Certifications | CE, RoHS, WEEE; ISA-S71.04 corrosion G3 |
Product Applications
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Process automation, including long-distance signal distribution and motor synchronization within ABB’s 800xA systems
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Ideal for environments needing time-distributed control loops, accurate time-stamping, and extended Ethernet ranges
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Bridges INSUM field communication with devices like MCUs, gateways, and redundant network nodes
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Supports high-availability systems where fieldbus uptime and live maintenance are required (hot-swap capable)
Product Advantages
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Seamless INSUM integration: High-capacity master interface for control loops up to six CI857 modules and 128 MCUs per CI857
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Hot-swap ready: Replace interface units under power without stopping processes
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Field-hardened design: Industrial IP20 rating with robust corrosion protection and extended temperature range
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Powered via backplane: No external power needed—draws clean power through CEX-Bus
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ABB-certified quality: Designed for industrial Ethernet environments and ABB’s modular architecture
Related Models in the Same Series
| Model | Description |
|---|---|
| CI857K01 / CI857 | INSUM Ethernet interface (this model) |
| CI854AK01‑EA | Profibus DP/V1 fieldbus interface |
| CI855K01 | MasterBus 300 interface |
| CI856K01 | S100 I/O interface kit |
| CI858K01 | DriveBus interface |
Popular ABB Communication Modules
| Model | Function |
|---|---|
| CI854AK01‑EA | Profibus DP/V1 interface |
| CI855K01 | MasterBus 300 interface |
| CI856K01 | S100 I/O field interface |
| CI860K01 | Foundation Fieldbus HSE interface |
| CI873K01 | Ethernet/IP / DeviceNet interface |
FAQ (QA Format)
Q1: What network does CI857K01 use?
A1: It connects AC 800M controllers to ABB’s INSUM Ethernet network, acting as a master over a 10 Mbit/s link.
Q2: Can I swap this module without shutting down the system?
A2: Yes—it supports hot-swap capability during RUN.
Q3: What’s its power source?
A3: Powered via the CEX-Bus from the AC 800M controller—no extra power wiring needed.
Q4: How many devices can a CI857 manage?
A4: Up to 128 MCUs per CI857, and up to 6 CI857 masters per controller.
Q5: What are its physical specs?
A5: Measures 59 × 185 × 127.5 mm, weighs about 0.70 kg (1.5 lb).
Q6: Does it provide redundancy?
A6: No line or module redundancy—but supports multi-master setup and backup paths.
Q7: What operating environment is it designed for?
A7: Indoor cabinet use, +5 °C to +55 °C, IP20 rating, G3 corrosion resistant.
Q8: Where can I use this interface?
A8: Common in process plants, power systems, switchgear requiring distributed control and time sync.
Q9: What’s its power consumption?
A9: Around 150 mA @24 V DC (~3.6 W).
Q10: Is it globally certified?
A10: Yes—complies with CE, RoHS, WEEE, and industrial corrosion & safety standards.
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All product specifications are original and authentic imported products. We have an annual sales volume of 300 million yuan, and we only produce original and authentic products. All customers who cooperate with us directly online can enjoy low discounts.
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We have a complete range of product models, 80% of conventional models are in stock, and we have established channels in Asia, Africa, North America, South America, and Europe, effectively shortening the order processing time and satisfying customers in a timely manner.
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Fast delivery. Spot goods can be shipped on the same day, and the delivery time transaction is 20% faster than that of peers on average, with a delivery time accuracy rate of 99%.
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