1. Core Technical Parameters

Backplane Power：24 VDC

Communication Protocol：Modbus TCP

Ethernet Interface：Single RJ45 10/100 Mbps

Max Connected Field Nodes：32 units

Isolation Voltage：2500 VAC

Operating Temperature：-20℃ ~ +70℃

Applicable Rack：AC800M control backplane

2. Compatibility & Expandability

Same-brand Compatibility

ABB CI535V26 is a dedicated Modbus TCP communication interface card built for ABB AC800M DCS control platform. On-site process technicians install multiple ABB CI535V26 on cabinet backplanes to construct multi-channel Ethernet bus networks for factory automation lines. ABB CI535V26 slides into standard single rack slots and transmits real-time process data with ABB PM8xx series CPU and full S800 I/O modules without extra signal transfer adapters. Front panel configuration switches support offline parameter setup to maintain stable cyclic data transmission between ABB CI535V26 and factory-installed ABB transmitters and valve positioners.

Cross-brand Compatibility

Exclusive AC800M internal backplane bus architecture blocks direct data interconnection of ABB CI535V26 to third-party main controllers. Independent protocol forwarding gateways become mandatory to build data links connecting ABB CI535V26 with Siemens or Schneider PLC hosts. Global universal Modbus TCP industrial standard allows ABB CI535V26 to collect measurement feedback signals from most aftermarket field sensors with no internal circuit refitting.

3. Lifecycle Cost Analysis

Service cycle of ABB CI535V26 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 CI535V26 costs 36 USD per year, total 10-year maintenance expense: 360 USD

Spare part replacement cost: Ethernet transceiver chip breakdown of ABB CI535V26 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 layout fully matches ABB CI535V26 during control system modernization projects, saving 292 USD extra construction labor cost compared with incompatible substitute Modbus communication modules

Total cumulative running cost for single ABB CI535V26 across ten service years: 530 USD