ABB DSAO120A 3BSE018293R1

¥9,999.00

The ABB DSAO120A 3BSE018293R1 is a high-precision analog output module from ABB’s S800 I/O family, engineered to deliver accurate and stable current/voltage output signals for industrial control applications. As a core component of the ABB S800 series, the DSAO120A 3BSE018293R1 provides 16 output channels configurable for standard industrial analog signal ranges, ensuring seamless integration with process control systems. The module features galvanic isolation between field and system sides, protecting sensitive control electronics from electrical interference and ground loops. Designed for use with ABB AC 800M and other S800-compatible controllers, the DSAO120A 3BSE018293R1 supports hot-swap capability for reduced maintenance downtime during replacement or service. Its compact modular design simplifies cabinet layout, while the DSAO120A 3BSE018293R1 maintains ABB’s rigorous standards for reliability in harsh industrial environments. Whether applied in new projects or as a critical spare, the DSAO120A 3BSE018293R1 delivers precise signal conversion and long-term operational stability.

Category: ABB

Description

Product Parameters

Parameter	Specification
Brand	ABB
Model	DSAO120A 3BSE018293R1
Series	S800 I/O
Module Type	Analog output module
Number of Outputs	16 channels
Output Signal	4–20 mA / 0–20 mA (configurable)
Resolution	12-bit
Isolation	Galvanic isolation, field-to-system
Hot Swap	Supported
Power Supply	24 V DC (via I/O backplane)
Compatible Controllers	AC 800M and S800-compatible systems
Mounting	DIN-rail mounting (S800 standard)
Certification	CE / industrial EMC compliance

Advantages and Features

16-channel density: High channel count per module reduces panel space and cost per point.
High precision: 12-bit resolution ensures accurate analog signal output.
Galvanic isolation: Protects system electronics and eliminates ground loop issues.
Hot-swap support: Modules can be replaced online, minimizing process downtime.
Modular design: Seamless integration into S800 I/O racks and AC 800M systems.
Configurable ranges: Flexible signal range settings adapt to diverse field requirements.
Proven ABB reliability: Built to industrial standards with comprehensive diagnostics.

Application Cases and Fields

The DSAO120A 3BSE018293R1 is widely deployed in:

Process automation: Valve positioners, variable frequency drives, and analog control loops in chemical and petrochemical plants.
Power generation: Analog control signals for turbines, boilers, and balance-of-plant systems.
Oil and gas: Signal output for actuators and control valves in upstream and downstream operations.
Water and wastewater: Pump speed control and flow regulation in treatment facilities.
Manufacturing: Analog setpoints for drives and proportional control devices in production lines.

Comparison with Competing Products

Compared with third-party analog output modules, the ABB DSAO120A 3BSE018293R1 offers native integration with the S800 I/O platform, eliminating compatibility and configuration risks. Competing modules may offer similar channel counts but often lack hot-swap capability, galvanic isolation across all channels, or the same level of diagnostic transparency. For systems already based on ABB S800 I/O, the DSAO120A 3BSE018293R1 reduces engineering time, spare parts inventory complexity, and lifecycle support risks compared with mixed-vendor solutions.

Selection Suggestions

Verify the required signal range (4–20 mA or 0–20 mA) and channel count for your application.
Confirm compatibility with your controller and S800 I/O rack configuration.
Check whether hot-swap capability is required for your maintenance strategy.
Review field wiring and termination requirements per ABB documentation.
Maintain at least one spare DSAO120A 3BSE018293R1 for critical control loops to minimize downtime.

Precautions

Wire and install the module only with power removed unless hot-swap procedures are followed per ABB guidelines.
Observe ESD precautions during handling.
Ensure field wiring does not exceed specified voltage/current limits.
Follow ABB’s official terminal assignment and shielding recommendations.
Use only genuine ABB spare parts to preserve warranty and system integrity.
Verify loop calibration after module replacement.

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