ABB 07AI91 GJR5251600R0278 AC31 Analog I/O Module

SKU 07AI91

In stock

12-month warranty
Free returns within 30 days

Manufacturer: ABB
Product No.: 07AI91
Country of origin:Sweden
Product Type: Analog I/O Modules
Barcode: 8537101190
Payment: T/T, Western Union
Weight: 360g
Dimensions: 11.8 cm x 13.6 cm x 8.3 cm
Shipping port: Xiamen
Warranty: 12 months

Description

The ABB 07AI91 (GJR5251600R0278) is a dedicated analog input and output module engineered specifically for integration within the ABB AC31 modular control system architecture. This module plays a critical role in industrial automation setups by converting physical analog process variables into digital values for the PLC, as well as issuing precise analog control signals to actuators and valves. Built for demanding automation tasks, the 07AI91 ensures high signal fidelity, reliable data acquisition, and consistent loop control across various industrial environments.

Designed to mount onto standard DIN rails within AC31 rack configurations, this I/O module interfaces directly with central processing units via the internal system bus. It provides robust electrical isolation between field wiring and internal logic circuits, protecting system electronics from common-mode noise and voltage transients. The unit supports straightforward parameter configuration through the programming environment, enabling fast commissioning and integration into existing AC31 control networks.

Features

Native compatibility with the ABB AC31 automation and control system product family
Combined analog input and output channel configuration for versatile process interfacing
High-resolution analog-to-digital and digital-to-analog conversion for accurate loop control
Integrated optical isolation protecting internal logic from field-side electrical disturbances
DIN rail mountable form factor designed for compact control cabinet layouts
Standardized pluggable terminal blocks for simplified wiring and maintenance

Applications

Industrial process control and automation systems
Water and wastewater treatment facility monitoring
HVAC and building automation control loops
Manufacturing assembly line data acquisition
Legacy AC31 system maintenance and expansion

Technical Specifications

Parameter	Specification
Manufacturer	ABB
Product Type	Analog I/O Module
Catalog / Ordering Number	GJR5251600R0278
Model Designation	07AI91
Product Family	ABB AC31
Country of Origin	Sweden
Mounting Type	DIN Rail
Dimensions	11.8 x 13.6 x 8.3 cm
Net Weight	0.36 kg

Installation Guidelines

Verify the catalog number and part identity against system documentation before installation.
De-energize the entire AC31 rack and associated field power supplies prior to handling hardware.
Inspect the module housing and connector pins for any visible shipping damage or contamination.
Mount the 07AI91 securely onto the standard DIN rail within the designated AC31 system slot.
Connect field sensors and actuators to the pluggable terminal blocks according to the system wiring diagrams.
Restore power and configure the I/O channel parameters using the appropriate ABB programming software.

FAQ

What system is the ABB 07AI91 analog I/O module designed for?

The ABB 07AI91 analog I/O module is engineered specifically for seamless integration within the ABB AC31 modular control system architecture. It mounts directly onto standard DIN rails and communicates with central processing units via the internal system bus. This dedicated unit ensures reliable data acquisition and consistent loop control across various industrial automation environments.

What is the primary function of the ABB 07AI91 GJR5251600R0278?

The ABB 07AI91 GJR5251600R0278 functions by converting physical analog process variables into digital values for the PLC, while also issuing precise analog control signals to actuators and valves. Featuring combined analog input and output channel configurations, it delivers high-resolution conversion for accurate process interfacing. This capability makes it essential for maintaining strict control loops in manufacturing and process automation.

How does the ABB 07AI91 protect internal system electronics from electrical disturbances?

The ABB 07AI91 provides robust electrical isolation between field wiring and internal logic circuits using integrated optical isolation. This design effectively protects sensitive system electronics from common-mode noise and voltage transients originating in the field. Consequently, the module maintains high signal fidelity even in electrically noisy industrial settings.

What are the physical dimensions and mounting requirements for this ABB AC31 module?

The ABB 07AI91 features a compact DIN rail mountable form factor with physical dimensions of 11.8 x 13.6 x 8.3 cm and a net weight of 0.36 kg. It is designed for efficient integration into space-constrained control cabinet layouts within AC31 rack configurations. Installers must ensure the entire AC31 rack is de-energized prior to mounting the hardware and connecting the pluggable terminal blocks.

Which applications are best suited for the ABB 07AI91 analog module?

The ABB 07AI91 is ideally suited for industrial process control, water and wastewater treatment facility monitoring, and HVAC automation control loops. Additionally, it serves as an excellent hardware solution for manufacturing assembly line data acquisition and legacy AC31 system maintenance or expansion. Technicians can easily configure the channel parameters using standard ABB programming software during system commissioning.

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Global Express Shipping

Standard Delivery: 4-6 Business Days via DHL, FedEx, and UPS.
Express Dispatch: Same-day dispatch for in-stock orders placed before 2:00 PM (GMT+8).
Worldwide Coverage: Serving over 150 countries, including rapid delivery to Saudi Arabia and UAE.

Returns & Warranty

30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
12-Month Warranty: Every industrial component is backed by our professional technical warranty.

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For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .

TECHNICAL SPECIFICATIONS

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