Name: ABB 07AI91E Isolated Analog Input Module | Qiming Automation
Brand: ABB
Price: 4943.00 CNY
Availability: InStock

ABB 07AI91E Isolated Analog Input Module

The ABB 07AI91E analog input module is designed to solve the challenge of accurately acquiring and processing diverse analog signals in sophisticated industrial control environments. Industrial automation systems require precise measurement of temperature, voltage, current, and resistance signals from various sensors to maintain tight process control and ensure product quality. The 07AI91E addresses these needs by supporting a wide range of sensor types, including thermocouples and RTDs (Resistance Temperature Detectors) such as PT100 and PT1000. This level of versatility is essential for engineers and plant operators focused on system reliability, high data accuracy, and seamless integration into larger process control architectures.

Description

07AI91E

Technical Highlights Summary

Specification	Details
Model Number	ABB 07AI91E
Brand	ABB
Input Channels	8
Supported Sensors	Thermocouples (J, K, S), PT100, PT1000 RTDs
Input Types	Voltage, Current, Resistance
Input Range	Multiple configurable ranges
Mounting Style	Rack-mount / DIN rail
Communication Interface	Backplane connection
Operating Temp Range	-20°C to +60°C
Dimensions	Standard modular size

Power Supply: 24 VDC nominal (isolated, short-circuit protected)
User Memory: 2 K words (EEPROM, non-volatile)
Binary Inputs: 12 (24 VDC, opto-isolated, 5 ms response)
Binary Outputs: 8 relay contacts (2 A / 250 VAC max)
Communication: RS232 programmable port, RS485 system bus
Operating Temperature: 0°C to 55°C
Power Consumption: 10 VA typical
Dimensions: 120 x 70 x 100 mm (0.6 kg)

Real-World Benefits

The ABB 07AI91E delivers high-fidelity analog input acquisition, enabling precise process monitoring in temperature-critical and variable signal applications. Its versatility in handling multiple sensor types reduces the need for additional modules, optimizing hardware footprint. Fast and accurate signal processing supports tightly controlled automation loops, improving process stability and product quality. The modular and rugged design ensures reliability even in challenging industrial environments, reducing maintenance frequency and cost. Integrated seamlessly within ABB’s automation platform, this module lowers engineering overhead and expedites system commissioning.

Typical Use Cases

The 07AI91E is widely used in chemical manufacturing, power plants, and food processing industries where accurate temperature and process variable measurement is vital for safety and product consistency. It supports monitoring of process heaters, reactors, boilers, and environmental controls. The module’s ability to work with PT100 and PT1000 RTDs and various thermocouple types makes it essential for installations requiring diverse sensor inputs. Industries demanding precise thermal control and rapid fault detection rely on this module for uninterrupted process automation and control system reliability.