Siemens 6ES7214-1AF40-0XB0 S7-1200F CPU 1214FC
01Product Overview
Siemens 6ES7214-1AF40-0XB0 is a SIMATIC S7-1200F CPU 1214FC DC/DC/DC fail-safe compact controller. It combines standard and safety automation, 14 integrated 24 V DC digital inputs, 10 integrated 24 V DC transistor outputs, two 0-10 V analog inputs, PROFINET communication, and 200 KB of work memory.
02Functions
Core Functions
- Executes standard and fail-safe control logic in one compact CPU.
- Integrated I/O supports local sensors, transistor loads, and two analog voltage signals.
- High-speed inputs and pulse outputs support technology functions within the documented limits.
- PROFINET connects HMIs, distributed I/O, drives, and engineering stations in the validated project.
- Maintenance-free backup retains the documented CPU data without a battery.
- The safety program and F-I/O architecture require formal validation and controlled change management.
Product Identity
- Manufacturer: Siemens
- Model: 6ES7214-1AF40-0XB0
- Product Type: SIMATIC S7-1200F CPU 1214FC DC/DC/DC
- Review Status: Verified
03Specifications
| Manufacturer | Siemens |
|---|---|
| Article Number | 6ES7214-1AF40-0XB0 |
| CPU Type | SIMATIC S7-1200F CPU 1214FC DC/DC/DC |
| Safety Capability | Up to SIL 3 and PLe in approved safety applications |
| Supply | 24 V DC, permissible 20.4-28.8 V DC |
| Integrated Digital Inputs | 14 x 24 V DC |
| Integrated Digital Outputs | 10 x 24 V DC transistor |
| Integrated Analog Inputs | 2 x 0-10 V DC |
| Work Memory | 200 KB |
| Integrated Load Memory | 4 MB |
| Process Image | 1,024 bytes inputs and 1,024 bytes outputs |
| Firmware in Current Data Sheet | V4.7 |
| Engineering Software | STEP 7 V20 or higher for the current firmware record |
| Degree of Protection | IP20 |
04Compatibility
- Engineer with the Siemens version required by the exact CPU firmware; the current data sheet lists STEP 7 V20 or higher for V4.7.
- Confirm all signal modules, communication modules, signal board, PROFINET devices, HMI, drives, safety I/O, and option hardware.
- Preserve device name, IP settings, hardware configuration, standard program, safety program, passwords, certificates, and memory-card data.
- Do not replace the fail-safe 1214FC with a standard 1214C; the safety capability and validated program would be lost.
- Match the DC/DC/DC transistor-output design; relay-output CPU variants require different load wiring and performance review.
05Applications
Typical Uses
- Fail-safe machine and process control requiring integrated standard and safety logic.
- Compact cells with local 24 V digital I/O and 0-10 V analog inputs.
- PROFINET automation systems using distributed safety I/O.
- Maintenance replacement of an exact CPU 1214FC DC/DC/DC installation.
Selection Boundary
- Use the exact model and manufacturer identity shown on the installed product.
- Treat application examples as context, not as proof of compatibility.
- Confirm electrical, mechanical, communication, safety, and environmental requirements before ordering.
06Lifecycle
- Back up the complete TIA Portal project and verify that the safety program is current, compiled, and approved.
- Record CPU firmware, hardware revision, protection settings, passwords, safety signatures, memory card, IP, device name, time settings, module layout, and I/O wiring.
- Use the approved Siemens replacement and firmware procedure; do not improvise a safety migration.
- After exchange, verify diagnostics, standard I/O, F-I/O communication, safety signatures, acknowledgment behavior, interlocks, safe states, alarms, HMI, drives, and every validated safety function.
- Return the machine to service only after the required safety acceptance test and documentation are complete.
FAQFrequently Asked Questions
What is
6ES7214-1AF40-0XB0 is a Siemens SIMATIC S7-1200F fail-safe CPU 1214FC with DC supply, DC inputs, and transistor outputs.
Where is this product used?
It is used for compact standard and safety automation up to the documented SIL 3 and PLe capability.
What should be confirmed before ordering?
Confirm the complete model or part number, manufacturer, installed hardware revision, electrical design, interfaces, wiring, approvals, and project configuration.
What information should be recorded before replacement?
Record the TIA project, CPU and firmware, safety signatures, passwords, memory card, hardware layout, F-I/O, PROFINET configuration, device name, IP, wiring, and acceptance records.
Is another model a direct replacement?
Use only a Siemens-supported CPU and engineered migration that preserves the validated safety functions, I/O, program, firmware, communications, and electrical design.
What should be checked after installation?
Verify standard diagnostics and I/O, F-I/O, safety signatures, safe states, resets, interlocks, HMI, drives, alarms, and every function in the approved safety acceptance plan.
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