# Allen-Bradley 1756-IA8D AC Input Module – 8-Channel Diagnostic

The Allen-Bradley 1756-IA8D, a 79-132 VAC Diagnostic Input Module, is designed for precision monitoring in industrial automation systems. This module provides critical real-time data on the operational status of AC-powered devices, ensuring reliable performance and minimizing downtime. Ideal for applications requiring robust monitoring capabilities, the 1756-IA8D enhances the efficiency and safety of your industrial processes.

**Key Features:**

-   **Eight Input Channels:** Monitor up to eight independent 79-132 VAC signals.
-   **Diagnostic Capabilities:** Real-time monitoring of input signal health and status.
-   **Seamless Integration:** Compatible with Allen-Bradley ControlLogix systems using a 20-pin connector.
-   **Wide Voltage Range:** Supports 79-132 VAC, offering flexibility in various applications.
-   **Robust Design:** Built for reliable operation in challenging industrial environments.

The 1756-IA8D module provides reliable performance, even in environments with electrical noise or temperature variations. This module is a trusted solution for industries looking to enhance the reliability and efficiency of their automation systems. This module is used for monitoring the operational status of AC-powered machinery or providing diagnostic feedback in process automation systems.

With the Allen-Bradley 1756-IA8D module, you can ensure continuous, high-performance operation. Trust in the Allen-Bradley brand for superior quality and performance. For all your automation needs, contact us at [info@ramautomations.com](mailto:info@ramautomations.com).

## Details

- **Price:** 999.0 USD
- **Vendor:** Allen-Bradley
- **Type:** Industrial Automation > PLC Modules > Input Modules
- **Tags:** 1756-IA8D, 79-132 VAC, AC input module, Allen-Bradley, diagnostic input, PLC module

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 999.00 USD | In stock |

## Images

- Allen-Bradley 1756-IA8D AC Input Module – 8-Channel Diagnostic-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/allen-bradley-1756-ia8d-diagnostic-module)
> Updated: 2026-09-30