Essential Specifications
| Attribute | Specification |
| Manufacturer | ABB |
| Product Family | Symphony Plus / Harmony / Bailey |
| Model Reference | SPASO11 |
| Module Type | Analog Output Slave (14-Channel) |
| Output Signal Ranges | 4-20mA or 1-5V DC |
| System Architecture | Distributed Control System (DCS) |
| Physical Weight | 0.24 kg |
| Module Dimensions | 3.5cm x 32.0cm x 17.6cm |
| Communication Support | MODBUS RTU / Harmony Serial Bus |
| Manufacturing Origin | Sweden |
The ABB SPASO11 is a high-density analog output slave module developed for the Symphony Plus and Harmony industrial control platforms. This module acts as a precision interface between the controller and field-side actuators, converting digital control logic into standardized analog signals. Supporting up to 14 independent channels, the SPASO11 provides the scalability required for complex process regulation, ensuring stable and accurate command execution for valves, motor drives, and other variable-position devices.
Industrial Applications
- Precision valve positioning in power plant feedwater systems.
- Speed control for variable frequency drives (VFDs) in water treatment.
- Actuator modulation in chemical and petrochemical refineries.
- Discrete signal regulation in large-scale pulp and paper manufacturing.
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