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ABB SPS02 – Modular Power Supply for DCS and PLC Systems
Product Overview
The ABB SPS02 is a high-performance modular power supply module engineered for critical power distribution within ABB Symphony Plus, Harmony, and INFI 90 distributed control systems-2-11. Designed to convert incoming AC or DC power into regulated voltage rails, this module delivers stable +5 VDC, +15 VDC, and -15 VDC to the system backplane, powering processing units, communication modules, and I/O interfaces-2. The SPS02 addresses a fundamental challenge in industrial automation: ensuring clean, uninterrupted power delivery to sensitive control electronics in electrically noisy environments like power plants, chemical refineries, and manufacturing floors-2. With its hot-swappable design and support for N+1 redundancy configurations, the module enables online maintenance without system shutdown—a critical requirement for continuous-process industries where downtime carries significant cost-2.
Technical Specifications — SPS02
| Parameter | Value |
|---|---|
| Product Model | SPS02 |
| Manufacturer | ABB (Bailey Controls) |
| Product Type | System Power Supply Module |
| Input Voltage | 85–264V AC (47–63Hz) or 48V DC nominal (42–58V DC range)-2-3 |
| Output Voltages | +5 VDC, +15 VDC, -15 VDC (backplane standard)-2 |
| Output Current | 5A continuous-1 |
| Output Power | 240W maximum-1 |
| Efficiency | >80% at full rated load-2 |
| Protection | Overvoltage, overcurrent, short-circuit, thermal shutdown-2 |
| Status Monitoring | Front-panel LED indicators (Power OK / Fault)-2 |
| Mounting | Standard Symphony Plus / Harmony power module chassis or DIN rail-1-2 |
| Operating Temperature | -25°C to +70°C-1-3 |
| Storage Temperature | -40°C to +85°C-2-3 |
| Cooling | Convection (fanless design)-1 |
| Certifications | CE, UL, cUL-1 |
| MTBF | >200,000 hours at 25°C-1 |
Key Features and Benefits — SPS02
- Hot-Swappable Operation – The module supports online replacement without powering down the control rack, minimizing production interruptions during maintenance-2.
- Redundancy Ready – Compatible with N+1 or 1+1 redundant configurations when paired with external diode modules, delivering high availability for mission-critical applications-1-2.
- Comprehensive Protection – Multi-layer safeguards against overvoltage, short-circuit, and thermal events protect both the power supply and connected equipment from damage-1-2.
- Diagnostic Visibility – Front-panel LED indicators provide instant visual confirmation of output status and fault conditions, accelerating troubleshooting-1-2.
- Fanless, Reliable Design – Convection cooling eliminates moving parts, reducing failure points and extending service life in dusty industrial environments-1.
- Wide Temperature Tolerance – Rated for -25°C to +70°C operation, the module performs reliably in harsh conditions ranging from cold outdoor cabinets to hot manufacturing floors-1-3.
Related Models
- SPS02-48V : 48V DC input variant designed for systems requiring direct DC power from battery-backed or rectifier sources-.
- 2VAA008279R001 : ABB order number for the MPS IV series version of the SPS02, optimized for high-density rack mounting in Symphony Plus HR systems-4.
- 7760690157 : Alternative part number for the SPS02-48V2VAA system power supply module, used in Bailey INFI 90 and Harmony control architectures-2.
- SPS01 : Predecessor module to the SPS02, offering lower thermal performance and less precise voltage regulation—the SPS02 is the recommended upgrade-11.
Installation and Maintenance — SPS02
The ABB SPS02 mounts into standard power module slots within Symphony Plus or Harmony racks-2. For DIN rail installations, the module fits 35mm standard rails-1. Adequate clearance (minimum 50mm above and below) is recommended for optimal convection cooling-1. The hot-swappable design allows for module replacement while the system remains operational—simply remove the faulty unit and insert the replacement without interrupting control processes-2. Routine maintenance is limited to visual inspection of LED status indicators and ensuring ventilation paths remain unobstructed. The fanless construction significantly reduces long-term maintenance requirements compared to forced-air cooled alternatives-1. For redundant configurations, verify that load-sharing diodes are properly installed and that the remaining units can handle full system load during replacement procedures-1.
