ABB SPAS011 | Bailey Symphony Plus Analog Output Module | 4-Channel

Product Description

The ABB SPAS011 Analog Output Module is a key component of the Bailey 800 DCS system, designed to convert controller signals into precise analog outputs for field devices such as actuators, valves, and recorders. With four output channels and 12-bit resolution, it ensures accurate signal transmission and reliable performance in demanding process automation environments. Built with protective features against polarity reversal and short circuits, the SPAS011 supports safe and efficient operation across industrial applications.

Technical Specifications

• Manufacturer ABB

• Model Number SPAS011

• Product Series Bailey / Symphony Plus

• Module Type Analog Output (AO) Module

• Number of Channels 4 analog outputs

• Resolution 12-bit

• Output Ranges 0 to 10 V, -10 to 0 V, 4 to 20 mA

• Input Voltage 24 VDC

• Input Current 20 mA

• Output Current 20 mA

• Accuracy ±0.1% of full scale

• Response Time 0.5 seconds

• Operating Temperature -40 °C to +70 °C (-40 °F to +158 °F)

• Storage Temperature -55 °C to +85 °C (-67 °F to +185 °F)

• Humidity Up to 95% non-condensing

Key Features

• Multi-Range Outputs Supports both voltage and current signal formats

• High Accuracy 12-bit resolution ensures precise control signal conversion

• Protective Design Reverse polarity and short-circuit protection built-in

• Fast Response 0.5-second response time for real-time control applications

• Industrial Reliability Engineered for Bailey 800 DCS and Symphony Plus systems

Application Scenarios

• Actuator and valve control in process industries

• Data logging and recorder integration

• Alarm annunciation systems requiring analog outputs

• Distributed control systems needing reliable analog signal conversion

FAQ

Q: How many output channels does the SPAS011 provide?  A: It offers four analog output channels.

Q: What signal ranges are supported?  A: The module supports 0–10 V, -10–0 V, and 4–20 mA outputs.

Q: What protective features are included?  A: Reverse polarity protection and short-circuit protection are integrated.