ABB GJR5252300R3101 07AC91H Analog I/O Module

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ABB GJR5252300R3101 07AC91H

ABB GJR5252300R3101, also known as 07AC91, is an Analog I/O Module used in the ABB Advant Controller 31 (AC31) PLC system. It is designed for decentralized analog signal acquisition and output control in industrial automation applications.

Product Information

• Manufacturer: ABB
• Part Number: GJR5252300R3101
• Module Type: 07AC91 Analog I/O Unit
• System: ABB Advant Controller 31 (AC31)
• Function: Analog Input / Analog Output Expansion Module
• Bus Interface: CS31 System Bus
• Power Supply: 24 VDC
• Mounting: DIN rail mounting
• Application: Industrial PLC control and distributed I/O systems

Technical Specifications

Parameter	Specification
Analog Channels	16 channels
Configuration Mode 1	8 Analog Inputs + 8 Analog Outputs
Resolution	12-bit + sign
Configuration Mode 2	16 channels configurable as AI/AO in pairs
Resolution (Mode 2)	8-bit
Input/Output Signal Range	±10 V, 0…20 mA, 4…20 mA
Supply Voltage	24 VDC
Communication	ABB CS31 Bus
Protection Class	IP20
Operating Temperature	0…+55 °C
Dimensions	Approx. 120 × 140 × 85 mm
Weight	Approx. 0.81 kg

Features

• Supports flexible analog signal processing for AC31 PLC systems.
• Provides high-resolution analog measurement and control.
• Suitable for connecting field devices such as:
  • Temperature transmitters
  • Pressure sensors
  • Flow meters
  • Level sensors
  • Analog actuators
• Designed for distributed automation architectures through the CS31 bus.

Applications

ABB 07AC91 modules are commonly used in:

• Process automation systems
• Power generation facilities
• Water treatment plants
• Chemical and petrochemical industries
• Manufacturing automation lines
• Legacy ABB Advant Controller 31 installations

Product Conclusion

The ABB GJR5252300R3101 (07AC91) is a reliable analog expansion module for ABB AC31 control systems, providing flexible analog input/output handling and stable communication through the CS31 bus. It remains widely used as a replacement spare part for maintaining existing ABB Advant Controller installations.