Siemens 6ES7212-1AF40-0XB0 SIMATIC S7-1200 CPU 1212FC DC/DC/DC 8DI/6DO/2AI Programmable Logic Controller

Siemens 6ES7212-1AF40-0XB0 is a SIMATIC S7-1200F CPU 1212 FC compact programmable logic controller with a DC/DC/DC power scheme, integrated 8 DI, 6 DO, and 2 AI onboard, 150 KB of work memory, and a PROFINET interface offering IO controller/device functionality plus PROFIsafe support for fail-safe machine applications built into a small hardware footprint.

Technical Specifications

Certifications & Standards

• CE
• UL
• cULus
• FM
• RCM
• KC
• Marine

Selection Notes

This CPU 1212FC is the compact fail-safe entry point in the S7-1200 line: 8 DI/6 DO/2 AI are fixed onboard, and expansion is capped at 3 communication modules, 1 signal board, and 2 signal modules, so it fits small stand-alone safety machines rather than lines needing more I/O headroom. Choose the 1212FC specifically when PROFIsafe fail-safe functions (light curtains, E-stop circuits) are required within this small footprint and 150 KB of work memory is sufficient; applications needing more program memory or expansion slots should move to a larger FC CPU in the same series. Native OPC UA server support lets it publish process data to SCADA/MES layers without an added communication processor.

Applications

Fail-safe machine control such as light-curtain or E-stop circuits via PROFIsafe, small packaging or conveyor cells needing integrated analog inputs for basic process monitoring, and PROFINET-based cells requiring native IO controller function without additional communication modules.