07AC91 GJR5252300R0101 | ABB Analog Input/Output Module

Overview

The ABB 07 AC 91 (GJR5252300R0101) is a versatile analog input/output module engineered for use in ABB’s automation systems. It provides both analog input and output functionality, enabling accurate signal conversion and control in distributed process environments. Designed for reliability and flexibility, the module supports multiple channel configurations and ensures stable operation in demanding industrial conditions.

Technical Specifications

• Model Number: 07 AC 91

• Part Number: GJR5252300R0101

• Manufacturer: ABB

• Product Type: Analog Input/Output Module

• Input Voltage: 24 V DC nominal

• Maximum Current Consumption: 0.2 A

• Power Dissipation: 5 W (maximum)

• Analog Input Channels: 8 or 16 configurable channels

• Analog Output Channels: 8 or 16 configurable channels

• Binary Inputs: 1 (enabling input for analog outputs)

• Conversion Accuracy: Typical error ±0.5%, maximum ±1%

• Electrical Isolation:

• CS31 system bus isolated from analog circuitry

• Analog signals not galvanically isolated

• One binary input isolated from remaining circuits

• Signal Reference: Common reference potential AGND

• Binary Input Signal Levels:

• Logic “0”: –30 V to +5 V

• Logic “1”: +13 V to +30 V

• Maximum Potential Difference: ±1 V

• Operating Temperature: 0°C to +55°C

• Weight: 0.81 kg

Key Features

• Dual analog input and output functionality in a single module

• Compatible with ABB CS31 communication bus

• High conversion accuracy with low error rate

• Electrically isolated system interface for improved signal stability

• Compact and durable design for control cabinet installation

• Configurable for multiple process monitoring applications

Application Scenarios

The 07AC91 module is ideal for:

• Process control systems requiring analog signal acquisition and generation

• Industrial automation environments with distributed CS31-based control networks

• Integration with ABB Advant or AC31 systems for data logging and feedback regulation

• Applications involving temperature, flow, or pressure signal monitoring

FAQ

Q: How many channels does the 07AC91 module support?
A: The module can be configured with either 8 or 16 analog inputs and 8 or 16 analog outputs, depending on the system setup.

Q: Is there electrical isolation between input and output circuits?
A: The CS31 system bus and one binary input are isolated, but the analog input and output channels share a common reference potential.

Q: Can the module be used for both monitoring and control tasks?
A: Yes. It is designed for dual operation—data acquisition (analog input) and control signal output (analog output)—within ABB control architectures.