ABB 07AI91Key features
High precision and stability: 16-bit ADC/DAC chip, long-term drift <0.01%/year, suitable for continuous monitoring in the chemical industry.
Flexible configuration capability: Input/output type can be configured via DIP switch or software.
Strong anti-interference design: Triple isolation, suppressing common mode interference voltage up to 1500V.
ABB 07AI91System collaboration
Integration with ABB ecosystem：
Seamlessly connect to ABB AC500 series PLCs and configure uniformly through Automation Builder software.
Support linkage with ABB inverter ACS880 to achieve closed-loop control of motor speed signal.
Redundancy and fault diagnosis：
Supports dual power supply redundant input, suitable for high reliability scenarios such as nuclear power and power grid SCADA systems.
Fault signal output can be directly connected to DCS alarm module.
ABB 07AI91Typical cooperation cases
Equinor offshore platform in Norway: ABB 07AI91 is integrated into the ABB SAFE™ safety system to enable real-time monitoring of drilling parameters.
Tesla Berlin Super Factory: Isolating voltage detection signals in the battery formation workshop, with an accuracy of ±0.05% to improve battery consistency.
Tata Steel in India: ABB 07AI91 Used for blast furnace gas flow monitoring, triple isolation to avoid high-voltage arc interference.
