The SPBLK01 (also referred to by part number SPBKL01) is a fundamental component of the ABB Symphony Plus (S+ HR) Harmony Rack system. Functioning as a blank faceplate and termination interface, it is designed to manage the physical architecture of the I/O cabinet. Its primary role is to provide a secure and clean interface for field wiring while ensuring that unused slots in the Harmony Rack are properly shielded and protected. This module facilitates the connection between field devices—such as sensors and actuators—and the internal I/O bus, ensuring signal integrity through integrated electrical isolation and robust screw-terminal connectivity.
| Feature | Specification |
| Manufacturer | ABB |
| Model Number | SPBLK01 |
| Part Number | SPBKL01 |
| Product Type | Termination / Blank Faceplate Module |
| System Compatibility | Symphony Plus, Harmony Rack I/O (S+ HR) |
| Function | Field wiring termination and rack slot protection |
| Connection Type | Industrial-grade screw terminals / Plug-in connectors |
| Supported Signals | Analog and digital signal passthrough |
| Isolation | Channel-to-channel and channel-to-bus isolation logic |
| Operating Temperature | 0 °C to +60 °C |
| Storage Temperature | -40 °C to +85 °C |
| Dimensions | Compact rack-mount (~71 mm depth) |
| Shipping Weight | 2.0 kg (including protective packaging) |
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