3BSE020510R1 DO801 ABB S800 I/O Digital Output Module

Description

3BSE020510R1 DO801 ABB S800 I/O Digital Output Module

Product Dimensions：

Product Description (Detailed Explanation)

The DO801 is a 16-channel digital output module that provides 24V DC signals to field equipment. It acts as the interface between the controller’s logic and physical actuators. The module features a compact, modular design that snaps onto an S800 I/O terminal base (such as the TU810 or TU812).

Each channel is galvanically isolated from the system logic, protecting the controller from field-side electrical interference. The module also includes sophisticated internal supervision to monitor the health of the hardware and the presence of external process power.

Product Parameters (Technical Specifications)

Product Advantages (Key Benefits)

• High Density: Provides 16 channels in a small form factor, maximizing I/O count per DIN rail meter.

• Comprehensive Protection: Each channel is equipped with short-circuit and over-temperature protection, ensuring the module survives field wiring faults.

• Advanced Diagnostics: Includes a “Process Power OK” supervision feature and an internal “Watchdog” to monitor the communication link with the controller.

• Flexible Termination: Compatible with multiple S800 terminal bases, allowing for different wiring techniques (e.g., screw or spring terminals).

• Hot-Swappable: Supports “Hot Configuration in Run” (HCIR) and can be replaced under power without disrupting the operation of other modules in the same rack.

Precautions (Important Notes)

• External Power Required: The module requires an external 24V DC supply to power the outputs. If the process power is lost, all outputs will turn off, even if the module logic is still powered by the backplane.

• Inductive Loads: When driving large inductive loads (solenoids or large contactor coils), it is highly recommended to use external flyback diodes to prevent voltage spikes from wearing out the output transistors.

• Total Current Limits: While each channel can handle 0.5A, the total current for all 16 channels must not exceed 8A. Ensure the power distribution to the terminal base is sized correctly.

• Terminal Base Selection: The DO801 must be paired with a compatible TU8xx terminal base. Using the wrong base can result in incorrect wiring or damage to the module pins.

Product Applications (Typical Use Cases)

• Valve Control: Actuating 24V DC solenoid valves in chemical processing or oil and gas pipelines.

• Motor Control Centers (MCC): Driving the coils of interposing relays or small contactors to start/stop motors.

• Signaling & Alarms: Controlling stack lights, sirens, and indicator panels in factory automation.

• Machine Control: Interfacing with pneumatic cylinders or small DC heaters in manufacturing equipment.

• Utility Management: Operating pumps and fans in water treatment facilities or HVAC systems.

Shipping Port: Xiamen, 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

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