Product Overview
The SPASO11 (YSPASO11) is a specialized Analog Output Module designed for the ABB Symphony Plus (S+ HR) and legacy Harmony Rack I/O systems. Its primary function is to serve as an Analog Slave Output interface, providing high-precision 4–20 mA current signals to control field-side equipment such as modulation valves, dampers, and variable speed drives. In addition to its output capabilities, the SPASO11 (YSPASO11) features serial communication ports (RS-232/RS-485), allowing it to function as a communication bridge for integrating external intelligent devices or subsystems via industrial protocols like MODBUS RTU. This dual-purpose design makes it a critical component for closed-loop control and subsystem synchronization in high-availability industrial plants.
Detailed Technical Specifications
| Feature | Specification |
| Manufacturer | ABB |
| Model Number | SPASO11 |
| Product ID | YSPASO11 |
| Product Type | Analog Output / Communication Interface Module |
| System Compatibility | Symphony Plus, Harmony Rack I/O (S+ HR) |
| Output Signal Type | 4–20 mA DC |
| Communication Protocols | MODBUS RTU, PROFIBUS DP-V1, Serial Interface |
| Physical Interfaces | RS-232 / RS-485 Configuration |
| Baud Rate | Up to 115.2 kbps |
| Electrical Isolation | Galvanic isolation between channels and logic |
| Operating Temperature | 0 °C to +60 °C |
| Customs Tariff Number | 8538908180 |
| Country of Origin | United States (US) |
What's clients say about us
Excellent Emergency Support!
Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.
Mark Thompson
Maintenance Manager, USAReliable Source for New Spares
Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.
Robert Hoffmann
Engineering Lead, GermanyTop-tier Service and Quality
We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.
Lucas Müller
Operations Director, GermanyRelated Products
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Guide
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