3BSE020510R1 DO801 ABB Bailey

3BSE020510R1 DO801 ABB Bailey Analog Output Modules

Product  Description：

• • • • • • The DO801 is a 16-channel digital output module designed for current-sourcing applications. It operates as a plug-in component for the S800 I/O system, offering a compact footprint (S800L mechanics) to save space in control cabinets. The module features 16 independent channels that are logically grouped into a single isolated group. Each channel is equipped with a high-side driver and includes comprehensive protection circuitry to ensure stable operation even in electrically noisy industrial environments. The process and power connections are handled via detachable connectors, which simplifies installation and allows for module replacement without disturbing the field wiring.

            Product Parameters

            • Channels: 16 digital output channels.

            • Signal Type: Current sourcing (High-side).

            • Rated Voltage: 24V DC (nominal range 12V to 32V DC).

            • Maximum Continuous Output Current: 0.5A per channel.

            • Total Module Current: Maximum 8A (all channels combined).

            • Isolation: Groupwise isolated from ground (500V AC dielectric test voltage).

            • Power Dissipation: Typically 2.1W.

            • Response Time: Output transition time is typically less than or equal to 1ms.

            • Maximum Cable Length: 600 meters (approximately 656 yards).

            • Weight: 0.24 kg (0.53 lbs).

            • Mechanical Class: IP20 (protection against solid objects like fingers).

            • Operating Temperature: 0 to +55 °C (32 to +131 °F).

            • Protection Features: Short-circuit proof, over-voltage protection, and over-temperature protection.

            Product Advantages

            One of the primary advantages of the DO801 is its robust protection mechanism. Each output channel is individually protected against short circuits to ground and over-temperature conditions, preventing a single fault from damaging the entire module. It also includes Output Set as Predetermined (OSP) functionality, which allows the user to define a safe state for the outputs in the event of a communication failure with the controller. The high-density design allows 16 channels to occupy minimal DIN rail space, making it cost-effective for large-scale deployments. Furthermore, the inclusion of front-panel LED indicators for each channel status, as well as general module error and warning LEDs, facilitates rapid on-site troubleshooting.

            Important Considerations

            Users must ensure that the total current draw across all 16 channels does not exceed the module's thermal limits, particularly when mounting the module vertically where the maximum ambient temperature is derated to 40 °C. Because the module is rated IP20, it must be installed in a protective enclosure that guards against moisture and conductive contaminants. When wiring, it is essential to follow the recommended stripping length of 6–7.5 mm and torque settings of 0.5–0.6 Nm to maintain secure electrical contact. Additionally, while the module is short-circuit proof, repeated or prolonged short circuits can lead to internal heat buildup, so faults should be cleared as soon as they are detected by the system diagnostics.

            Product Applications

            The DO801 module is widely applied across various heavy industries where reliable digital control is mandatory.

            • Process Control: Driving solenoid valves, relays, and contactors in oil and gas refineries or chemical plants.

            • Power Generation: Managing auxiliary equipment and signaling in power plant control systems.

            • Water Treatment: Controlling pumps and flow control valves in municipal water and wastewater facilities.

            • Marine Automation: Integrated into shipboard control systems for monitoring and controlling deck machinery and engine room auxiliaries.

            • Manufacturing: Executing discrete logic for automated assembly lines and conveyor systems.

The structure and details of the product：

Our services：

Shipping Port:  China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

Service: Professional Sales provides 24 hours /7 days online service

Warranty: one year

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