ABB SPASO11 Symphony Plus Analog Output Module

Description

The SPASO11 module converts digital control signals into precise analog outputs for driving control valves, variable speed drives, and actuators. It features 14 isolated output channels, each with its own digital-to-analog converter and signal conditioning for accurate and stable performance. Designed for industrial reliability, the SPASO11 offers galvanic isolation to protect the DCS from field interference, ensuring dependable operation in power and process industries.

Specifications

• Manufacturer: ABB

• Country of Origin: USA / Estonia (Typical)

• Model Number: SPASO11

• Product Series: Symphony Plus / Harmony

• Module Type: Analog Output (AO) Interface

• Output Channels: 14 Independent Channels

• Signal Support: 4-20mA, 0-20mA, 1-5V DC, 0-10V DC

• D/A Resolution: 12-bit

• Approximate Weight: 0.65 kg

• Dimensions: 178 mm x 298 mm x 25 mm

Features

• Precise Control Signal Generation: High-resolution output ensures fine-tuned adjustment of final control elements for tighter process regulation.

• Isolated Architecture: Comprehensive electrical separation between the system bus and field circuits enhances reliability and equipment safety.

• Output Fail-Safe States: Configurable behavior allows channels to hold their last value or go to a pre-defined safety level during communication interruptions.

• Integrated Diagnostics: Constant monitoring of module health and output loop continuity provides real-time feedback to the DCS operator interface.

• Backward Compatibility: Designed for seamless installation into Harmony Module Mounting Units (MMU), supporting both new installations and legacy INFI 90 system upgrades.