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6ES7214-1AD21-0XB0 is a Siemens SIMATIC S7-200 CPU 224 compact controller with a 24 V DC supply, 14 digital inputs and 10 transistor outputs.
Send the exact MLFB, project version, connected modules and application requirements for a complete compatibility check.
| Manufacturer | Siemens AG |
| Item number | 6ES7214-1AD21-0XB0 |
| Country of Origin | Germany |
| Lead Time | Contact for Siemens spare-part availability |
| After-Sales Support | Siemens spare-part delivery, repair and exchange services |
| HS Code / Commodity code | 85371091 |
Quotes are valid for 30 days from the day the quote is received unless stated otherwise at the time of quotation.
Yes,we offer one year warranty for all new products.
Yes. We worked with FEDEX/DHL/TNT/UPS/ allowing us to provide swift global delivery of parts to any corner of the world.
Normally 3-5 working days,some remote areas 5-7 days more.
The CPU 224 combines the controller, 24 v dc supply, 14 digital inputs and 10 transistor outputs in a compact S7-200 unit. The 21 hardware generation provides 8 KB of program memory and 5 KB of data memory.
6ES7214-1AD21-0XB0 identifies the DC/DC/DC version. Confirm the complete MLFB, supply circuit and output load type before replacing another CPU 224 variant.
Match the incoming supply and terminal arrangement of the installed CPU.
Read the machine sensors and discrete control signals.
Run the STEP 7-Micro/WIN program and configured functions.
Switch the connected loads through the transistor output stage.
Do not substitute a different CPU 224 generation only by matching the front-panel I/O count. Verify power supply, output technology, program memory, firmware and Micro/WIN project compatibility.
No. It is a SIMATIC S7-200 CPU 224 and uses the S7-200 engineering and expansion environment.
No. This DC/DC/DC variant uses ten DC transistor outputs.
Only after checking the full MLFB, supply, output type, memory generation, firmware, communication settings and project backup.
Share the model, fieldbus and safety requirements for a fast compatibility check.
Application: Isolated SM322 module with thirty-two 24 VDC transistor outputs. Product familySIMATIC S7-300 Minimum order1 Piece Applicable ratings32 DO; 0.5 A per channel LifecyclePM410: Product cancellation since 2025-10-01 20 years of automation industry experience · Response within 24 hours
Details
Application: Isolated two-channel SM331 for voltage, current, thermocouple, RTD and resistance measurement. Product familySIMATIC S7-300 Minimum order1 Piece Applicable ratings2 AI; up to 14-bit plus sign LifecycleProduct Cancellation 20 years of automation industry experience · Response within 24 hours
Details
Application: Isolated two-channel SM332 voltage/current output module. Product familySIMATIC S7-300 Minimum order1 Piece Applicable ratings2 AO; 11/12-bit resolution LifecycleProduct Cancellation 20 years of automation industry experience · Response within 24 hours
Details
Application: Diagnostic four-channel SM332 module for isolated voltage/current outputs. Product familySIMATIC S7-300 Minimum order1 Piece Applicable ratings4 AO; 11/12-bit resolution LifecycleProduct Cancellation 20 years of automation industry experience · Response within 24 hours
Details
Application: PS405 wide-range DC-input power supply for the S7-400 backplane. Product familySIMATIC S7-400 Minimum order1 Piece Applicable ratings24/48/60 VDC input; 5 VDC / 10 A output LifecyclePM300: Active Product 20 years of automation industry experience · Response within 24 hours
Details
Application: PS407 universal 120/230 V AC/DC supply for an S7-400 backplane. Product familySIMATIC S7-400 Minimum order1 Piece Applicable ratings120/230 VAC or VDC; 5 VDC / 10 A output LifecyclePM300: Active Product 20 years of automation industry experience · Response within 24 hours
Details
Application: Replacement CPU 412-3H for S7-400H and S7-400F/FH systems. Product familySIMATIC S7-400H / S7-400F/FH Minimum order1 Piece Applicable ratings768 KB work memory; firmware V4.5 LifecyclePM410: Product cancellation since 2017-02-01 20 years of automation industry experience · Response within 24 hours
Details
Application: Repair-part CPU 417-4H for the matching redundant S7-400H configuration. Product familySIMATIC S7-400H Minimum order1 Piece Applicable ratings30 MB work memory; four interfaces LifecyclePM490: Final year of support; discontinued since 2023-10-01 20 years of automation industry experience · Response within 24 hours
Details
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