Series
SIMATIC S7-1200 G2
S7-1200 G2 is Siemens' new generation compact PLC platform for small to medium-sized automation equipment. A complete MLFB should be provided when purchasing a CPU, signal module or analog module; the MLFB and module compatibility relationships between G2 and the previous generation G1 cannot be mixed.
The complete ordering code for Siemens SIMATIC is based on MLFB. The CPU and modules of S7-1200 G2 need to distinguish the power supply method, transistor/relay output, built-in digital and analog I/O, communications interface and specific version code. When migrating, you cannot judge the equivalence relationship based on the "CPU 1214C" name alone. You must check the complete MLFB and official migration information.
| MLFB | product | power supply / output | digital I/O | notes |
|---|---|---|---|---|
| 6ES7212-1AG50-0XB0 | CPU 1212C | DC/DC/DC | 8DI / 6DO | G2 |
| 6ES7212-1BG50-0XB0 | CPU 1212C | AC/DC/Relay | 8DI / 6DO | G2 |
| 6ES7214-1AH50-0XB0 | CPU 1214C | DC/DC/DC | 14DI / 10DO | G2 |
| 6ES7214-1BH50-0XB0 | CPU 1214C | AC/DC/Relay | 14DI / 10DO | G2 |
| 6ES7221-1BH50-0XB0 | SM1221 | 24VDC | 16DI | Digital input |
| 6ES7222-5BH50-0XB0 | SM1222 | 24VDC | 16DO | Digital output |
| 6ES7223-5BL50-0XB0 | SM1223 | 24VDC | 16DI / 16DO | Digital I/O |
| 6ES7233-4HF50-0XB0 | SM1233 | Analog | 4AI / 4AO | Analog I/O |
| 6ES7214-1HH50-0XB0 | CPU 1214C | DC/DC/Relay | 14DI / 10DO | G2 |
| 6ES7232-4HF50-0XB0 | SM1232 | Analog | 8AO | Analog output |
The table shows verified representative models and key specifications. If your required model is not listed, send the complete ordering code for verification.
FAQ
Frequently Asked Questions
What are the main differences between 6ES7212-1AG50-0XB0 and 6ES7212-1BG50-0XB0?
power supply / output: 6ES7212-1AG50-0XB0 is DC/DC/DC, 6ES7212-1BG50-0XB0 is AC/DC/Relay. Verify the complete ordering code and project conditions before selection or replacement; the series name alone is not sufficient.
Which specifications matter most when selecting SIMATIC S7-1200 G2?
Key specifications to verify are product, power supply / output, digital I/O, notes. Match them against the equipment nameplate, drawing or original model, and retain every suffix, option and regional code in the complete ordering reference.
Why is the complete part number required when requesting a quote for SIMATIC S7-1200 G2?
Models within SIMATIC S7-1200 G2 may differ in electrical ratings, construction, interfaces or accessories. For example, 6ES7212-1AG50-0XB0, 6ES7212-1BG50-0XB0, 6ES7214-1AH50-0XB0 are distinct configurations and cannot be interchanged on the series name alone. Using the complete part number substantially reduces mismatch risk.
How should SIMATIC S7-1200 G2 be used as spare parts for installed equipment?
For installed-base MRO involving SIMATIC S7-1200 G2, provide the original part number, nameplate photo, equipment application and quantity. We first verify the existing model and critical specifications, then check whether the original remains available. If migration is required, mounting, electrical, communication and accessory differences are compared separately.
Request a quote SIMATIC S7-1200 G2
Please provide the complete part number, quantity and destination country. For installed-base replacements, include the original model and nameplate details.
