ABB 07AC91-AD2 Analog Configuration I/O Module

Product Overview

The ABB 07AC91-AD2 is a specialized Analog Configuration Input/Output Module used in distributed automation PLC systems. Its primary function is to bridge the gap between variable industrial processes (like temperature, pressure, or flow) and the digital logic of the PLC. This "AD2" version is a "Configuration" module, meaning it offers flexibility in how the channels are defined, allowing for a mix of inputs and outputs depending on the specific requirements of the control loop.

Technical Specifications

• Model Number: 07AC91-AD2

• Part Number: GJR5252300R0101

• Product Type: Analog I/O Module

• Product Series: Distributed Automation PLCs (Advant Controller 31)

• Net Weight: 0.328 kg

• Gross Weight: 0.453 kg

• Dimensions: 140 mm x 120 mm x 85 mm

• Customs Tariff Number: 85371091

• Country of Origin: Germany (DE)

• UNSPSC: 32151705

Key Features

• Configurable Channels: Unlike fixed-function modules, the 07AC91-AD2 allows for high-level signal configuration, accommodating different analog ranges (e.g., 0-10V, 4-20mA).

• High-Resolution Conversion: Features precision Analog-to-Digital (ADC) and Digital-to-Analog (DAC) converters to ensure that process data is represented accurately within the PLC logic.

• Distributed Architecture Support: Designed specifically for decentralized control, allowing the module to be placed close to sensors and actuators to reduce signal noise over long cable runs.

• Galvanic Isolation: Provides electrical separation between the field signals and the internal system bus, protecting the central CPU from potential electrical surges.

• Robust Environmental Specs: Engineered to operate reliably in the high-temperature and high-vibration conditions typical of industrial plant floors.