The SPSET01 is a high-precision Sequence of Events (SOE) Digital Input and Time Synchronization module designed for the ABB Symphony Plus (S+ HR) and Harmony Rack I/O architecture. Diverging from standard digital input cards, the SPSET01 is engineered specifically for time-critical monitoring where the exact chronological order of events must be captured with millisecond resolution. It serves a dual role: it functions as an interface for high-speed digital inputs (capturing state changes from field devices) and acts as a synchronization hub to ensure all modules across the Harmony Rack are aligned to a master system clock. This is essential for post-event analysis in complex industrial processes where a "first-out" alarm or the precise sequence of a trip must be definitively identified.
| Feature | Specification |
| Manufacturer | ABB |
| Model Number | SPSET01 |
| Part Number | SPSET01 |
| Product Type | SOE Digital Input & Time Synchronization Module |
| System Compatibility | Symphony Plus, Harmony Rack I/O (S+ HR) |
| Time Resolution | 1 ms (Millisecond precision for event logging) |
| Input Type | High-speed discrete digital inputs |
| Time Sync Protocol | IRIG-B, NTP, or Backplane Synchronization |
| Isolation | Channel-to-bus galvanic isolation for noise immunity |
| Diagnostics | Integrated hardware self-test and channel status LEDs |
| Operating Temperature | 0 °C to +60 °C |
| Storage Temperature | -40 °C to +85 °C |
| Dimensions | Standard Harmony Rack format (71 mm depth) |
| Shipping Weight | 4.0 kg (Including protective transit packaging) |
| Certifications | CE, UL, IEC Compliant |
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