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The SPCIS22 is a mixed-signal I/O control module for the ABB Symphony Plus Control System automation platform. It is designed to provide compact integration of analog and digital I/O processing for distributed control applications in power generation, water treatment, and industrial process automation.
By combining multiple signal types into one module, the SPCIS22 reduces cabinet space requirements and simplifies control architecture design. The module features galvanic isolation and advanced signal diagnostics to ensure stable communication between field devices and Symphony Plus controllers in electrically noisy industrial environments.
| Item | Specification |
|---|---|
| Model | SPCIS22 |
| System Series | Symphony Plus (S+ Control / Harmony) |
| Analog Inputs | 4 channels (4–20 mA or 0–10 V configurable) |
| Digital Inputs | 3 channels (24 VDC or dry contact) |
| Digital Outputs | 4 channels (Relay or transistor drive) |
| Analog Outputs | 2 channels (4–20 mA control loops) |
| Signal Isolation | Integrated field-to-system isolation |
| Mounting | S+ I/O rack compatible |
| Dimensions | 350 × 260 × 70 mm |
| Weight | 0.45 kg |
Turbine auxiliary control
Water treatment process automation
Motor control center (MCC) interfaces
Valve and temperature control loops
Is the SPCIS22 hot-swappable?
Yes. The module supports online replacement when the system is configured for maintenance mode.
Why use mixed I/O architecture?
It allows implementation of small local control loops using a single module, reducing wiring complexity and hardware cost.