ALLEN-BRADLEY 1791-8AR Block Module Relay Ac I/o 8IN/8

( Brand: Allen-bradley ), ( Manufacturer Part Number: 1791-8AR ), ( Type: Plc Input/output Module ), ( Unit Type: Unit ), ( Analog/digital: Analog ), ( Country/region Of Manufacture: United States ), ( Controller Platform: Slc 500 )

Review ALLEN BRADLEY Block I/o Module 8in/8 Relay Output Ac

Allen-Bradley 1791-8AR Block I/O Module 8-Inch, 8-Relay AC

The Allen-Bradley 1791-8AR Block I/O Module is a versatile and reliable solution for your automation needs, featuring eight AC-controlled relays for efficient control of electrical devices. This module, with its compact 8-inch size, is designed to seamlessly integrate into your existing Allen-Bradley control system.

Crafted with a focus on performance and durability, the 1791-8AR Block I/O Module is built to withstand the rigors of industrial environments. The module's eight AC relays, each rated at 30 VA, offer a wide operating voltage range (100 to 240 VAC) and can handle current up to 10A per contact. This makes it suitable for a wide variety of applications, from simple machine control to complex process automation.

The Allen-Bradley 1791-8AR is compatible with various Rockwell Automation control systems, including the ControlLogix and CompactLogix families. The module uses the industry-standard Modbus communication protocol, allowing easy integration with other devices and systems in your network.

The 1791-8AR Block I/O Module is designed for quick and easy installation. Its front-accessible terminals allow for easy wire connection, reducing downtime during installation and maintenance. The module also comes with a mounting template for easy and precise mounting in your control panel.

In addition to its functional capabilities, the 1791-8AR Block I/O Module is built with safety in mind. It complies with UL508A and CSA C22.2 No. 60 standards, ensuring a safe and reliable operation.

Whether you're a system integrator, machine builder, or end-user, the Allen-Bradley 1791-8AR Block I/O Module is an ideal choice for your automation needs. Its robust design, versatile relay count, and wide compatibility make it a valuable addition to your control system.

Analysis of Allen-Bradley 1791-8AR Block I/O Module (8in/8 Relay AC)

1. Compatibility: This module is compatible with Rockwell Automation's ControlLogix and CompactLogix controllers, making it a versatile choice for various automation projects.

2. Reliability: Allen-Bradley products are known for their robustness and reliability, ensuring that the 1791-8AR module can withstand harsh industrial environments.

3. Scalability: With its 8-point input and 8-point output configuration, this module offers a good balance between cost and functionality, suitable for medium-sized automation systems.

4. AC Relay: The use of AC relays in this module allows for the control of AC loads, expanding the range of devices that can be controlled with the system.

1. Cost: Compared to smaller I/O modules, the 1791-8AR may be considered expensive due to its higher point count.

2. Limited Input Types: This module only supports discrete input types, which may limit its applicability in systems requiring analog or temperature inputs.

3. Power Consumption: AC relays generally consume more power compared to solid-state relays, which could result in increased energy costs over time.

4. Complex Configuration: While Rockwell's software is user-friendly, configuring a module with 8 points may require more time and effort compared to smaller modules.

The Allen-Bradley 1791-8AR Block I/O Module offers a reliable and versatile solution for medium-sized automation projects that require the control of AC loads. However, its cost, power consumption, and limited input types should be carefully considered to ensure it aligns with the specific project requirements. If the project is smaller or only requires control of DC loads, other, more cost-effective I/O modules may be a more suitable choice.

For projects that require the control of AC loads and have a medium-sized I/O requirement, the Allen-Bradley 1791-8AR Block I/O Module is a recommended choice. However, it is essential to evaluate the project's specific requirements and consider the potential drawbacks before making a final decision.

Details:

It features 8 analog inputs and relay outputs for AC applications. This is an Allen-Bradley 1791-8AR Block I/O Module designed for the SLC 500 controller platform. Working condition with I/O screw terminal included.

part #: 17918ar prices

• $3499.99-$4299.99

specifications sensoindustria:

• brand: Allen-bradley
• mpn: 1791-8ar
• type: Plc Input/output Module
• unit type: Unit
• analog/digital: Analog
• country/region of manufacture: United States
• controller platform: Slc 500

seller sensoindustria:

• rating: 100.0%
• city: Plano, Texas
• # reviews: 21

general sensoindustria:

• condition: Used
• PLCs HMIs > PLC Peripheral Modules > PLC Input Output Modules

offer sensoindustria:

• sold: 0
• options: Ship-to-home
• quantity: 1
• availability: In Stock
• started: March 10, 2025

returns sensoindustria:

• policy: No Returns

payments sensoindustria:

• wallet: Google-pay
• credit card: Visa
• other

shipping sensoindustria:

• cost: $11.38
• carrier: USPS
• service: USPS Priority Mail
• class: Expedited
• transit: 3-9 Days
• type: Calculated

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