ABB AO845 Analog Output Module 3BSE045584R1
ABB AO845 Analog Output Module 3BSE045584R1
Manufacturer: ABB
Product No.: AO845
Condition:1000 in stock
Product Type: Analog Output Module
Product Origin: 8458459845847
Payment: T/T, Western Union
Weight: 210g
Shipping port: Xiamen
Warranty: 12 months
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ABB AO845 Analog Output Module - Precision 4-20mA Control for Industrial Automation
The ABB AO845 (3BSE045584R1) is an advanced 8-channel analog output module engineered for demanding industrial process control applications. Delivering unipolar 4-20 mA current loop outputs, this module ensures accurate signal transmission to field devices including control valves, variable frequency drives, and actuators across manufacturing, oil & gas, and power generation facilities.
Technical Specifications
- Output Channels: 8 independent analog outputs
- Signal Type: Unipolar 4-20 mA current loop
- Resolution: 12-bit digital-to-analog conversion
- Accuracy: ±0.1% of full scale at 25°C
- Update Rate: 10 ms per channel
- Load Resistance: Max 600 Ω per channel
- Isolation: Channel-to-bus 50V DC
- Operating Temperature: 0°C to +55°C
- Power Consumption: 3.5W typical from ModuleBus
- Mounting: DIN rail via S800 I/O base unit
Application Scenarios
The AO845 excels in process industries requiring precise analog control. In chemical batch processing, it regulates flow control valves maintaining exact reagent ratios. Pharmaceutical cleanrooms utilize it for pressure modulation in HVAC systems. Water treatment plants deploy the module to control chemical dosing pumps, while power stations use it for boiler feedwater control and turbine governor positioning.
System Integration & Configuration
Designed for seamless integration with ABB AC 800M controllers and S800 I/O systems, the AO845 supports both single and redundant ModuleBus configurations. Hot-swappable design enables maintenance without system shutdown. Configuration via ABB Control Builder Plus allows individual channel calibration, range selection, and diagnostic threshold settings. The module auto-detects connection to redundant controllers, ensuring failover protection for critical control loops.
Troubleshooting & Diagnostics
Q: Why does a channel show constant 4mA output?
A: Verify controller communication and check for open circuit in field wiring. Inspect terminal block connections and measure loop resistance (should be <600Ω).
Q: Can I mix 4-20mA and 0-20mA signals?
A: The AO845 is factory-configured for 4-20mA unipolar operation. For 0-20mA requirements, consider the ABB AO820 variant.
Q: How do I calibrate output accuracy?
A: Use Control Builder Plus software to access channel calibration. Connect a precision milliamp meter and adjust offset/gain parameters following ABB calibration procedure 3BSE045584.
Warranty & Support
Every ABB AO845 module includes a comprehensive 12-month warranty covering manufacturing defects and component failures. Our technical support team provides configuration assistance, troubleshooting guidance, and replacement coordination to minimize downtime.
Related Products
| Product | Description | Link |
|---|---|---|
| ABB DI810 Digital Input | 24V DC 16-channel input module for S800 I/O | View Product |
| ABB CI801 PROFIBUS Interface | S800 I/O fieldbus communication module | View Product |
| ABB PM630 Processor | S800 I/O system controller and processor unit | View Product |
© 2025 INDUSTRIAL CONTROL HUB. All rights reserved.
Original Source: https://www.indctrlhub.com
Contact: sales@indctrlhub.com | +0086 18359243191
Product Description
ABB AO845 Analog Output Module - Precision 4-20mA Control for Industrial Automation
The ABB AO845 (3BSE045584R1) is an advanced 8-channel analog output module engineered for demanding industrial process control applications. Delivering unipolar 4-20 mA current loop outputs, this module ensures accurate signal transmission to field devices including control valves, variable frequency drives, and actuators across manufacturing, oil & gas, and power generation facilities.
Technical Specifications
- Output Channels: 8 independent analog outputs
- Signal Type: Unipolar 4-20 mA current loop
- Resolution: 12-bit digital-to-analog conversion
- Accuracy: ±0.1% of full scale at 25°C
- Update Rate: 10 ms per channel
- Load Resistance: Max 600 Ω per channel
- Isolation: Channel-to-bus 50V DC
- Operating Temperature: 0°C to +55°C
- Power Consumption: 3.5W typical from ModuleBus
- Mounting: DIN rail via S800 I/O base unit
Application Scenarios
The AO845 excels in process industries requiring precise analog control. In chemical batch processing, it regulates flow control valves maintaining exact reagent ratios. Pharmaceutical cleanrooms utilize it for pressure modulation in HVAC systems. Water treatment plants deploy the module to control chemical dosing pumps, while power stations use it for boiler feedwater control and turbine governor positioning.
System Integration & Configuration
Designed for seamless integration with ABB AC 800M controllers and S800 I/O systems, the AO845 supports both single and redundant ModuleBus configurations. Hot-swappable design enables maintenance without system shutdown. Configuration via ABB Control Builder Plus allows individual channel calibration, range selection, and diagnostic threshold settings. The module auto-detects connection to redundant controllers, ensuring failover protection for critical control loops.
Troubleshooting & Diagnostics
Q: Why does a channel show constant 4mA output?
A: Verify controller communication and check for open circuit in field wiring. Inspect terminal block connections and measure loop resistance (should be <600Ω).
Q: Can I mix 4-20mA and 0-20mA signals?
A: The AO845 is factory-configured for 4-20mA unipolar operation. For 0-20mA requirements, consider the ABB AO820 variant.
Q: How do I calibrate output accuracy?
A: Use Control Builder Plus software to access channel calibration. Connect a precision milliamp meter and adjust offset/gain parameters following ABB calibration procedure 3BSE045584.
Warranty & Support
Every ABB AO845 module includes a comprehensive 12-month warranty covering manufacturing defects and component failures. Our technical support team provides configuration assistance, troubleshooting guidance, and replacement coordination to minimize downtime.
Related Products
| Product | Description | Link |
|---|---|---|
| ABB DI810 Digital Input | 24V DC 16-channel input module for S800 I/O | View Product |
| ABB CI801 PROFIBUS Interface | S800 I/O fieldbus communication module | View Product |
| ABB PM630 Processor | S800 I/O system controller and processor unit | View Product |
© 2025 INDUSTRIAL CONTROL HUB. All rights reserved.
Original Source: https://www.indctrlhub.com
Contact: sales@indctrlhub.com | +0086 18359243191