ABB 07KT97H3 Advant Procontic AC31 PLC Central Unit

Product Brief Description: ABB 07KT97H3 is a main CPU controller for ABB Advant Procontic AC31 legacy PLC system. It executes IEC 61131-3 control logic, integrates onboard digital and analog I/O channels, and supports CS31 fieldbus and Modbus RTU communication for remote distributed I/O expansion and data exchange with HMI, DCS and third-party field devices. It serves as critical spare replacement for aging industrial control cabinets in process plants.

Product Features

• Advant Procontic AC31 main CPU with integrated digital and analog I/O
• CS31 fieldbus interface for expanding remote distributed I/O modules
• Modbus RTU communication to connect HMI, DCS and other automation equipment
• Non-volatile memory to retain control program, PID parameters and configuration data through power loss
• Front panel LED indicators for run status, fault alarms and channel diagnostics
• Industrial rugged hardware for stable continuous operation in wide temperature range
• Built-in surge, overvoltage and short-circuit protection for field circuits
• Strong EMC shielding to suppress electromagnetic interference in noisy control cabinets
• DIN rail mounting for simple cabinet installation and quick on-site replacement

Application Scenarios

• Factory automation production line control based on ABB AC31 Procontic PLC
• Water & wastewater treatment plant PID process regulation and parameter monitoring
• Power plant auxiliary control and substation automation systems
• Chemical, petrochemical and oil & gas process control cabinets
• Mining, material handling and heavy machinery automation retrofitting projects

Frequently Asked Questions