1. Core Technical Parameters

Supply Voltage：24 VDC

Communication Protocol：MODBUS TCP

Max Connected Field Nodes：32 units

Ethernet Interface：Single RJ45 10/100 Mbps

Isolation Strength：2500 VAC galvanic isolation

Operating Temperature：-20℃ ~ +70℃

Applicable Rack：AC800M controller backplane slot

2. Compatibility & Expandability

Same-brand Compatibility

ABB CI853K01 is a dedicated Modbus TCP communication interface card built for ABB AC800M DCS control platform. Process automation technicians install multiple ABB CI853K01 on cabinet backplanes to build multi-channel industrial Ethernet bus networks for factory process control loops. ABB CI853K01 slides into standard single-width rack slots and transmits real-time production data with ABB PM8xx CPU units and all S800 series analog, digital I/O modules without extra signal conversion terminal boards. Front panel address setting switches maintain stable cyclic data transmission between ABB CI853K01 and on-site ABB transmitters, actuators and variable frequency drives.

Cross-brand Compatibility

Exclusive AC800M internal backplane bus architecture blocks direct data interconnection of ABB CI853K01 to third-party main controllers. Separate protocol conversion gateways become necessary to construct data links connecting ABB CI853K01 with Siemens or Schneider PLC hardware. Globally unified Modbus TCP industrial communication standard allows ABB CI853K01 to collect measurement feedback signals from most aftermarket field sensors with no internal circuit refitting.

3. Lifecycle Cost Analysis

Service cycle of ABB CI853K01 covers 10 years, exchange rate:1USD=7.2CNY, purchase and installation fees are excluded from all cost statistics

Annual routine maintenance cost: Ethernet port signal calibration and internal dust clearance for ABB CI853K01 costs 36 USD per year, total 10-year maintenance expense: 360 USD

Spare part replacement cost: Main Ethernet communication chip failure of ABB CI853K01 generally occurs once every 7 years, single spare module price: 462 USD, total replacement expense within 10 years: 462 USD

Retrofit expense saving: Original cabinet cable routing fully matches ABB CI853K01 during control system upgrade projects, saving 292 USD extra construction labor cost compared with incompatible substitute Modbus TCP interface modules

Total cumulative running cost for single ABB CI853K01 across ten service years: 530 USD