Name: ABB CI857K01 3BSE018144R1 | Hot Swappable CEX-Bus...
SKU: ABB CI857K01 3BSE018144R1
Price: 1847.00 USD
Availability: InStock

Description

ABB CI857K01 3BSE018144R1 | Hot Swappable CEX-Bus Communication Interface Unit

2. At-A-Glance Executive Brief

Brand: ABB
Model: CI857K01, Material Code: 3BSE018144R1
Part Type: CEX-Bus INSUM Ethernet communication interface module
Lifecycle status: OEM obsolete, supplied as New Surplus stock
System compatibility: AC800M controllers paired with System 800xA
Core protocol: INSUM Ethernet for connecting MCC motor control units

3. Technical Introduction (Structure B)

Loss of INSUM communications disconnects DCS supervisory control from all motors on affected MCC segments. Unexpected module failure creates operational risk without readily available spare inventory.

CI857K01 plugs into the AC800M rack’s CEX-Bus backplane and functions as the INSUM network master. Dual RJ45 ports carry real-time data to field-mounted motor controllers for remote start/stop commands, operational telemetry and fault alarm transmission. Each module supports up to 128 connected field devices, making it suitable for large low-voltage MCC setups common in power plants, chemical processing facilities and water treatment sites.

Engineer’s Takeaway: This interface forms the critical data bridge between the DCS and low voltage motor control hardware; verified spare stock reduces outage duration when legacy hardware fails.

4. Core Technical Specifications

Parameter	Value
Full Part Number	CI857K01 / 3BSE018144R1
Backplane Bus	AC800M CEX-Bus
Communication Protocol	INSUM Ethernet (10 Mbps)
Physical Interfaces	Dual RJ45 ports (CN1, CN2)
Max INSUM Devices per Module	128 units
Max Modules per AC800M Controller	6 units
Hot Swap Support	Yes
Typical Power Draw	150 mA @ 24 VDC
Operating Temperature	0 °C to +55 °C
Storage Temperature	-40 °C to +70 °C
Installation Class	IP20 indoor cabinet mounting

ABB CI857K01 3BSE018144R1

5. Field Engineer’s Tech Notes

CN1 and CN2 port assignments follow fixed site network segmentation. Random port swapping breaks communication to subsets of MCC loads. Photograph all wiring before disconnecting the existing unit.
ESD exposure can damage onboard Ethernet transceivers. Operators must wear grounded wrist straps when handling the module outside anti-static packaging, especially in low-humidity environments.

6. Adaptive QA & Testing Protocol

Each CI857K01 undergoes bench testing on a physical AC800M test rack. Technicians confirm stable CEX-Bus registration, validate link activity on both RJ45 ports and verify INSUM device discovery functions. Units run a continuous 24-hour power soak test to catch intermittent connectivity defects. Full test records and short demonstration videos can be provided upon request before shipment.

7. Buyer’s FAQ

Q: Can CI857K01 be hot swapped with the system online?

A: The hardware supports hot swap mechanically, but removal terminates all INSUM communication. All connected MCC motors lose DCS control. Only carry out replacement during planned shutdowns.

Q: What condition are stocked CI857K01 units offered in?

A: Available inventory consists of New Surplus unused units. Refurbished alternatives can be sourced on request. All shipments use anti-static packaging.

Q: Which AC800M CPU models support CI857K01?

A: Compatible with PM861, PM864 and PM866 CPUs operating under System 800xA. Confirm free CEX-Bus slots in your rack layout prior to ordering.

Q: What warranty is included with this spare?

A: Standard warranty covers 12 months from delivery. Warranty does not cover faults caused by static damage, incorrect wiring or improper configuration during site commissioning.