Description
ABB DSAO120 Product Description
Technical Specifications
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Product Model: DSAO120 (3BSE018293R1)
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Brand: ABB
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Warranty: One Year
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Input Voltage: 24 V DC industrial control power input
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Operating Temperature: 0°C to 60°C (32°F to 140°F)
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Storage Temperature: -40°C to 85°C (-40°F to 185°F)
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Response Time: Millisecond-level closed-loop analog output adjustment response
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Protection Class: IP20 rack-mounted industrial module rating
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Accuracy Class: ±0.1% full-scale output precision at standard ambient temperature
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Output Frequency: Standard S800 I/O control loop update frequency
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Rated Current Range: 4–20 mA per-channel analog current output
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Communication Interface: S800 I/O system backplane bus interface
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Supported Protocols: ABB native DCS bus protocols
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Overload Capacity: Per-channel overcurrent, short-circuit and surge protection
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Dimensions: 175 mm × 100 mm × 25 mm standard compact form factor
Product Overview
The DSAO120 is an 8-channel analog output module belonging to ABB S800 I/O series, designed for System 800xA distributed control systems. This high-precision module delivers stable 4–20 mA analog signals to regulate field actuators, control valves and process instrumentation, supporting accurate closed-loop process control. It resolves common operational issues including signal deviation, unstable output regulation and unprotected channel faults that compromise process stability. Built with industrial-grade circuitry, it features reliable anti-interference performance and consistent linear output across standard operating temperatures. Integrated single-channel protection prevents module damage from transient electrical faults, ensuring continuous system runtime. It serves chemical, power, oil and gas facilities, providing dependable analog control expansion for automation integrators and maintenance teams.
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