The SM 1222 (6ES72221HF32‑0XB0) is a reliable digital output expansion module for Siemens S7‑1200 PLCs. It offers 16 transistor outputs rated at 24 V DC, with each channel supporting up to 2 A, making it ideal for switching medium-duty industrial loads like solenoid valves, pilot lamps, small motors, and relays. The fast, synchronized switching supported by this module makes it well-suited for machine control, interlocking, and sequencing tasks.
Designed for compact control panels, the SM 1222 snaps onto the S7‑1200 DIN-rail and connects via the backplane bus, ensuring tight integration with CPU timing. Engineers can configure output parameters and access diagnostic information using TIA Portal, while front-panel LED indicators provide ready visualization of channel statuses and faults.
Robust protection features—including channel-level short-circuit and overload safeguards—help prevent damage and reduce maintenance needs. Its rugged IP20-rated housing and industrial-grade build quality ensure consistent operation in harsh environments.
Scalar Automation in Kenya supplies this SM 1222 variant, making it a dependable choice for OEMs, machine builders, and system integrators seeking efficient and high-performance digital output expansion for modern automation systems.
Product Details:
Brand | SIEMENS |
Manufacturer Series | S7 1200 |
Usage/Application | Automation |
Type Code | 6ES7222-1HF32-0XB0 |
Update Rate | 5500 |
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