The SPDSI13 is a high-density Digital Input (DI) module designed for the ABB Symphony Plus (S+ HR) Harmony Rack architecture. It serves as a vital interface between the field environment and the control system, accurately capturing discrete signals from equipment such as limit switches, proximity sensors, push buttons, and motor starter auxiliary contacts. By converting these physical binary states into digital data for the Symphony Plus controller, the SPDSI13 enables real-time monitoring and logic execution. Built for industrial resilience, the module utilizes optical and electrical isolation to prevent field-side electrical noise from compromising the integrity of the Harmony Rack backplane.
| Feature | Specification |
| Manufacturer | ABB |
| Model Number | SPDSI13 |
| Part Number | SPDSI13 |
| Product Type | Digital Input Module |
| System Compatibility | Symphony Plus, Harmony Rack I/O (S+ HR) |
| Number of Channels | 16 Independent Digital Inputs |
| Signal Type | 24 VDC (Standard Industrial Logic) |
| Isolation | Optical and Electrical channel-to-bus isolation |
| Input Filter | Integrated hardware filtering for debouncing |
| Power Supply | 24 VDC Typical |
| Operating Temperature | 0 °C to +60 °C |
| Dimensions | 13.7 cm x 11.9 cm x 8.5 cm |
| Net Weight | 0.35 kg (0.77 lbs) |
| Origin | Sweden |
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