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ABB 07AC91 Analog I/O Module | Distributed Automation PLC Module

Place of Origin Sweden
Brand Name ABB
Certification COO ,COC ,CQ
Model Number 07AC91
Document 07AC91.pdf
Minimum Order Quantity 1
Price $5300
Delivery Time 5-7days
Payment Terms T/T
Supply Ability 999
Product Details
Product ID ABB 07AC91 Brand ABB
Model Number 07AC91 Warranty 1 Year
Function Good Condition New
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Product Description
ABB 07AC91 Analog I/O Module | Distributed Automation PLC Module
Product Overview

The ABB 07AC91 Analog I/O Module is a high-performance distributed automation module designed for ABB AC31 PLC systems. Built for demanding industrial control applications, it offers flexible analog signal processing with up to 16 configurable analog channels and supports voltage, current, and thermocouple inputs.

Unlike conventional analog modules with fixed channel assignments, the 07AC91 provides two selectable operating modes. Users can configure it as 8 analog inputs plus 8 analog outputs with 12-bit resolution, or as 16 configurable analog channels operating in pairs with 8-bit resolution. This flexibility makes it an excellent solution for process automation, machine control, water treatment, energy management, and manufacturing systems requiring adaptable I/O configurations.

Technical Specifications
Model Number 07AC91 GJR5252300R0101
Other Models

07AI91 GJR5251600R0202

07DI92 GJR5252400R0101

07KT97 GJR5253000R0100

07KT97 GJR5253000R0200

07KT97 GJR5253000R0160

07KT97 GJR5253000R0270

Product Images
ABB 07AC91-AD2 Analog Input Output Module front view ABB 07AC91-AD2 Analog Input Output Module side view with connections
Engineer's Note
For applications requiring simultaneous analog monitoring and control, the 07AC91 provides an efficient solution by integrating both input and output channels within one compact module. This module minimizes wiring complexity while maintaining reliable communication performance. Proper signal shielding and grounding are recommended to achieve the highest measurement accuracy in electrically noisy industrial environments.
Global Applications
  • Asia Pacific: China, South Korea, Japan, India, Southeast Asia
  • Middle East: Saudi Arabia, UAE, Qatar
  • North America: United States, Canada
  • Europe: Germany, United Kingdom, France, Russia, Turkey
  • Latin America: Brazil, Argentina, Mexico
Typical Applications
  • Factory automation
  • Water and wastewater treatment
  • Chemical processing
  • Food and beverage production
  • Power generation
  • HVAC control systems
  • Building automation
  • Material handling systems
  • Industrial process monitoring
  • OEM machinery
Project Case

This exact model 07AC91 was successfully deployed for a water-treatment factory in Saudi Arabia in 2024, operating flawlessly under dry and high-temperature conditions.

ABB 07AC91-AD2 installation in water treatment facility
Our Advantages
  • Export to 40+ countries
  • Complete after-sales service
  • Stable supply chain to ensure continuous supply
  • COO, COC and CQ support
  • Rapid quotation response
ABB quality certification and support documentation
Frequently Asked Questions
Q1: Is the ABB 07AC91 compatible with all ABB PLCs?
A: The module is specifically designed for ABB AC31 distributed automation systems using the CS31 communication bus.
Q2: Does the module support thermocouple sensors?
A: Yes. The 07AC91 supports thermocouple inputs in addition to standard voltage and current analog signals.
Q3: Can channels be configured as both inputs and outputs?
A: Yes. The module offers flexible operating modes, allowing channels to be configured according to project requirements.
Q4: What power supply is required?
A: The module operates from a standard 24 VDC industrial power supply.
Q5: Where is the 07AC91 commonly used?
A: It is widely deployed in industrial process automation, manufacturing, utilities, HVAC, water treatment and machine control applications.
Installation Requirements
  • Professional installation required for optimal performance and safety
  • Ensure proper mounting and adequate ventilation
  • Comply with all applicable electrical safety standards
ABB installation requirements and safety standards documentation