Product Description
Overview
The B&R AO775 is an 8-channel analog output module designed for precise control in industrial automation applications. It provides 0 to 20 mA current outputs with an 11-bit digital-to-analog conversion and features a high level of electrical isolation. This module is ideal for environments where high-speed and accurate output control is critical, offering excellent performance even in demanding conditions.
Key Features
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8-Channel Output: Provides 8 channels of analog current output.
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High-Speed Conversion: 250 µs conversion time per channel ensures fast, real-time control.
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Electrical Isolation: Ensures safety and prevents interference in industrial systems.
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Low-Pass Output Filter: First-order low-pass filter with a 1 kHz cutoff frequency for stable and noise-free outputs.
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High Precision: Offers a basic accuracy of ±0.5% at 20°C and ±0.75% from 0 to 60°C.
Technical Specifications
| Specification | Details |
|---|---|
| Model | AO775 |
| Type | 8-Channel Current Output Module |
| Output Signal | 0 to 20 mA |
| Digital-to-Analog Resolution | 11-bit |
| Output Filter | Low-pass first-order filter, cutoff frequency 1 kHz |
| Conversion Time | 250 µs per channel |
| Load Capacity | Max. 600 Ω |
| Basic Accuracy | ±0.5% at 20°C |
| Precision | ±0.75% from 0 to 60°C |
| Power Consumption | 5V: Max. 1 W |
| 24V: Max. 4.5 W | |
| Total: Max. 5.5 W |
Applications
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Industrial Automation Systems: Ideal for systems requiring precise, high-speed analog control.
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Process Control: Used in industries like chemicals, power generation, and manufacturing where accuracy and speed are vital.
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Measurement and Testing Equipment: Offers high-precision output for sensors and testing devices.