ABB AO845A-eA

1. Overview

2. Key Specifications

• Number of Channels: 8 independent analog outputs
• Output Types: Selectable voltage (-10 V–+10 V) and current (4–20 mA, 0–20 mA)
• Resolution: 16-bit (high precision)
• Output Accuracy: 0.1% (typical)
• Supply Voltage: 24 V DC
• Operating Temperature: -40 °C to +70 °C
• Dimensions: Approximately 90 mm × 14 mm × 115 mm (width × height × depth)
• Mounting Method: DIN rail mounting, supporting stacked installation
• Certifications: CE, ATEX, FM, CSA, IECEx, etc.

3. Product Features

• High Resolution and Precision: 16-bit resolution and 0.1% accuracy ensure the delicacy of output signals.
• Multiple Output Ranges: Configurable -10 V–+10 V, 4–20 mA, 0–20 mA, etc., to meet diverse field requirements.
• Channel Isolation: Each output channel is equipped with electrical isolation to suppress interference and enhance system reliability.
• Fast Update Rate: High-speed sampling (around 100 µs) and rapid signal updates make it suitable for dynamic process control.
• Diagnostic Functions: Built-in advanced diagnostics enable remote monitoring of channel status, short-circuit protection, and more.
• Modular Design: Can be flexibly combined with other ABB I/O modules, supporting redundant or centralized layouts.

4. Structure and Components

• Housing: Metal protective casing with IP20 protection rating.
• Connectors: Used for wiring with field devices and upper-level systems.
• Circuit Board: Includes signal processing, analog-to-digital/digital-to-analog conversion (ADC/DAC), and isolation circuits.
• Terminal Block: Each output channel is equipped with an independent terminal for convenient on-site wiring.

5. Application Fields

• Process Control: Analog control of valves, pumps, and speed governors.
• Automation Systems: Speed/position adjustment of production lines and packaging equipment.
• Energy Management: Current/voltage output for generator sets and frequency converters.
• Instrument Calibration: Signal source for laboratory or on-site instruments.
• Redundant Systems: Dual-channel or multi-module redundant configurations to improve reliability.

6. Installation and Maintenance

• Installation: Fixed via DIN rail; it is recommended to use standard screws and rail accessories. Modules can be stacked for efficient space utilization.
• Wiring: Select the corresponding voltage/current terminals according to the output range, ensuring wiring complies with IEC standards.
• Commissioning: Channel parameter setting and calibration can be performed through ABB’s dedicated configuration software (e.g., System 800xA Engineering).
• Maintenance: The module has a self-diagnostic function; faults can be located via system alarms when they occur. Regularly check the tightness of wiring and heat dissipation conditions to ensure the operating temperature stays within the specified range.

If you would like to learn more about our products and services, please feel free to contact us at any time!

• Sales Manager : Jinny
• Email : sales5@xrjdcs.com
• Whatsapp/Mobile:+86 15359273791

Global renowned brand cooperation

ABB 丨 GE 丨Allen Bradley  丨  Honeywell 丨   Emerson  丨  Bently Nevada   丨 Westinghouse  

Triconex  丨   Foxboro 丨   ICS Triplex  丨  Hima  丨  Schneider 丨  Yokogawa  丨 Woodward

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Xiamen Xingruijia Import and Export Co., Ltd.

Xiamen Xingruijia Import and Export Co., Ltd. is a customer-centric enterprise that provides comprehensive industrial control products and services. We not only offer a full range of industrial control equipment, but also provide professional technical support, after-sales service, and system integration services. Our mission is to solve all worries for customers, enabling them to focus on their core businesses.

Frequently Asked Questions (FAQs)

Q1: What is the earliest delivery time you can offer?

A: We will arrange shipment upon receipt of your payment.

Q2: Do you have overseas branches?

A: We do not have overseas branches, but our products are sold to customers all over the world.

Q3: Are you a manufacturer or a trader?

A: We are a trading company.

Q5: Can you provide data sheets/literatures/technical documents?

A: Data sheets will be delivered together with the goods.