1. Core Technical Parameters

Backplane Power：24 VDC

Communication Standard：AF100 Fieldbus

Max Field Station Quantity：64 units

Transmission Rate：1.5 Mbit/s

Isolation Withstand Voltage：2500 VAC

Operating Temperature：-20℃ ~ +70℃

Rack Matching：ABB AC800M control rack

2. Compatibility & Expandability

Same-brand Compatibility

ABB CI627A is a dedicated AF100 bus interface module for ABB AC800M DCS control platform. On-site automation technicians install multiple ABB CI627A on cabinet backplanes to build multi-channel long-distance fieldbus networks for chemical and energy factories. ABB CI627A slides into standard rack card slots and transmits real-time process data with ABB PM856AK01 CPU units and all S800 distributed I/O modules without extra signal transfer adapters. Front panel address dialing devices allow manual station configuration to maintain stable cyclic data transmission of ABB CI627A with factory-deployed ABB flow and pressure transmitters.

Cross-brand Compatibility

Exclusive AF100 proprietary bus protocol blocks direct hardware interconnection of ABB CI627A with third-party main controllers. Independent protocol conversion gateways become mandatory to construct data links connecting ABB CI627A with Siemens and Schneider PLC equipment. Standard serial signal conversion logic enables ABB CI627A to export field measurement data to most aftermarket monitoring panels with no internal circuit refitting.

3. Lifecycle Cost Analysis

Service cycle of ABB CI627A covers 10 years, exchange rate:1USD=7.2CNY, purchase and installation costs are excluded from all cost statistics

Annual routine maintenance cost: AF100 bus signal calibration and internal dust clearance for ABB CI627A costs 34 USD per year, total 10-year maintenance expense: 340 USD

Spare part replacement cost: Core bus communication chip breakdown of ABB CI627A generally occurs once every 7 years, single spare module price: 446 USD, total replacement expense within 10 years: 446 USD

Retrofit expense saving: Original cabinet cable layout fully fits ABB CI627A during DCS system upgrade projects, saving 278 USD extra construction labor cost compared with incompatible substitute fieldbus interface modules

Total cumulative running cost for single ABB CI627A across ten service years: 508 USD