ABB CI857K01 3BSE018144R1 | INSUM Ethernet Interface Module, In Stock

  • Model: CI857K01, order number 3BSE018144R1
  • Brand: ABB
  • Series: AC 800M / 800xA System, INSUM communication interface
  • Core Function: Provides an Ethernet-based INSUM gateway on the AC 800M CEX-Bus, enabling integration of INSUM motor control units, switchgear devices, and LonWorks subnets into the 800xA control architecture.
  • Type: Communication Interface Module (CEX-Bus)
  • Key Specs: Up to 6 CI857 modules per AC 800M CPU; up to 128 INSUM devices per CI857; supports up to 2 INSUM TCP/IP gateways per module; powered via CEX-Bus, no external 24 V supply required
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Description

Key Technical Specifications

Parameter Specification
Model CI857K01
Order Number 3BSE018144R1
Module Type INSUM Communication Interface
Bus Interface CEX-Bus (Communication Extended Bus) on AC 800M
Network Interface Ethernet (RJ-45), used for INSUM TCP/IP gateway
Max Modules per CPU 6 CI857 per AC 800M controller
Max INSUM Devices 128 per CI857 (PM864/PM866); 128 per CI857 (PM861)
Max TCP/IP Gateways 2 per CI857
LonWorks Subnets 4 per INSUM TCP/IP gateway, up to 32 devices per subnet
External Power Not required; powered via CEX-Bus from processor unit
Protection Class IP20
Operating Temperature Verify against OEM datasheet; typically 0 °C to 60 °C for AC 800M CEX modules
Storage Temperature Verify against OEM datasheet
Humidity 5–95% non-condensing (typical for AC 800M CEX modules)
Hot Swap Supported on AC 800M CEX-Bus
Engineering Tool Control Builder M Professional for AC 800M / 800xA

 

Product Introduction

The CI857K01 3BSE018144R1 is not a general-purpose Ethernet card you drop into an AC 800M rack and expect to talk Modbus TCP. It is the INSUM communication interface, and it exists for a specific job: bridging ABB switchgear, motor control centers, and INSUM/LonWorks field devices into the AC 800M controller through the CEX-Bus.I have seen this module specified correctly on MCC integration packages and misapplied just as often. When it is used where it belongs, it gives you clean access to motor status, trip signals, and switchgear data without building a separate gateway stack. The hard limit to watch is scale: each CI857 supports up to 128 INSUM devices, and each AC 800M CPU can carry up to six CI857 modules. Push past that, and the controller will simply refuse the configuration. This module is not a substitute for CI854 Profibus, CI867 Modbus TCP, or CI868 IEC 61850. Treat it as an INSUM gateway, not a universal Ethernet adapter.

Quality SOP & Tech Pitfalls

The Lab Report (SOP)

  1. Visual and counterfeit check: confirm CI857K01, 3BSE018144R1, serial number, and ABB label quality.
  2. Connector inspection: check CEX-Bus contacts, RJ-45 port, DIN latches, and baseplate condition.
  3. Live rack test: install into a compatible AC 800M controller with TP830 base; verify CEX-Bus recognition.
  4. LED and communication check: confirm module power-up, CEX-Bus enumeration, and absence of persistent fault indication.
  5. Configuration verification: confirm the module is accepted in Control Builder M with the correct INSUM hardware library.
  6. Network spot check: verify Ethernet port link status and INSUM gateway recognition where a test network is available.
  7. Firmware/library logging: record Control Builder M version, AC 800M firmware, and INSUM library revision.
  8. Anti-static sealing: pack with test records and铭牌 photos.

The Engineer’s Warning (Pitfalls)

  • Do not buy CI857K01 expecting generic Modbus TCP or PROFINET I/O. It is an INSUM interface. If your MCC speaks Modbus TCP, you probably need CI867 or a third-party gateway, not CI857.
  • CPU type matters. A PM861 system supports fewer INSUM devices than a PM864/PM866 system. Exceeding the per-CPU or per-module device limit will cause configuration download failures, not graceful degradation.
  • CEX-Bus slot count is finite. An AC 800M CPU has a limited number of CEX communication slots. Adding CI857 modules may conflict with CI854, CI858, CI860, or other CEX modules.
  • Legacy hardware risk. CI857K01 is an older module; spare stock may vary in revision, firmware compatibility, and physical condition. Always verify the order number and test report before committing to a shutdown window.

 

Installation & Configuration Guide

  1. Pre-Installation: Place the AC 800M controller in maintenance mode. Photograph the existing CEX-Bus configuration, slot positions, Ethernet cabling, and INSUM network topology. ⚠️ Do not assume the hardware tree matches the field installation.
  2. Removal: Power down the controller if hot-swap is not permitted by site procedure. Release the CEX-Bus module safely. Label Ethernet cables and document the INSUM subnet assignments.
  3. Installation: Seat the CI857K01 into the correct CEX-Bus slot. Confirm the RJ-45 connector is fully engaged. Verify that the total number of CEX modules does not exceed the CPU limit.
  4. Power-On & Testing: Restore controller power. Verify CEX-Bus enumeration in Control Builder M. Download or verify the hardware configuration. Check INSUM device communication, gateway status, and LonWorks subnet health. Force-test critical motor and switchgear signals before returning to automatic operation.

Compatible Replacement Models

Compatibility Model Notes
✅ Drop-in CI857K01, 3BSE018144R1 Lowest risk if order number matches
⚠️ Verify Application CI867K01 Modbus TCP interface Use when the target network is Modbus TCP, not INSUM
⚠️ Verify Application CI868K01 IEC 61850 interface Use for substation IEC 61850 integration
❌ Not Compatible CI854 / CI854A Profibus DP Different protocol and bus architecture
❌ Not Compatible Generic Ethernet switches or PLC Ethernet ports Cannot replace INSUM gateway functionality

 

Frequently Asked Questions (FAQ)

Can I hot-swap a CI857K01?
The AC 800M CEX-Bus supports hot insertion/removal for communication modules, but INSUM networks carry motor and switchgear status. I would only do this during a planned maintenance window and with the process in a safe state.Is CI857K01 a Modbus TCP module?
No. CI857K01 is an INSUM communication interface for AC 800M. If you need Modbus TCP, look at CI867 or a dedicated gateway.How many CI857 modules can one AC 800M CPU hold?
Up to six CI857 modules per AC 800M controller, subject to available CEX-Bus slots and CPU type.How many INSUM devices can one CI857 support?
Up to 128 INSUM or equivalent devices per CI857, depending on the processor unit. PM861 systems have lower limits than PM864/PM866 systems.Does it need external 24 V power?
No. The CI857 is powered from the AC 800M processor unit through the CEX-Bus.What software do I need?
Control Builder M Professional for AC 800M / 800xA, with the correct INSUM hardware library and communication libraries. Verify compatibility with your system version before download.What condition do you supply?
New surplus, factory-sealed, or tested original used stock, depending on availability. Each unit is verified for model, power-up, CEX-Bus recognition, and communication status before shipment.What is the warranty?
Typically 12 months for non-human damage. Final terms depend on the order confirmation and unit condition.