Siemens 6ES7212-1HF50-0XB0 SIMATIC S7-1200 CPU 1212FC DC/DC/RLY 8DI/6DO Programmable Logic Controller

The Siemens 6ES7212-1HF50-0XB0 is a SIMATIC S7-1200 CPU 1212FC DC/DC/RLY, a fail-safe-capable compact controller with 8 integrated 24 V DC digital inputs and 6 relay outputs rated 2 A. It runs from 20.4 to 28.8 V DC, holds 200 KB of program code and 500 KB of data, and reaches the network through two integrated PROFINET ports with an onboard Ethernet switch.

Technical Specifications

Certifications & Standards

• CE
• UL
• cULus
• RCM
• KC
• Marine

Selection Notes

The 6 relay outputs on this 1212FC variant switch up to 2 A resistive directly, which covers small contactor coils or indicator loads without an interposing relay — the tradeoff against a transistor-output sibling is slower switching, so this model fits on/off control rather than high-frequency pulse outputs. The FC designation marks fail-safe readiness for SIMATIC Safety projects; the CPU runs a standard-only program identically if no F-signal modules are added. Move up to a higher I/O count CPU in this line when the application needs more than 8 DI/6 DO or more than 700 KB combined program and data memory.