With increasing demand for efficiency and accuracy, automation has become a vital part of every industrial operation. At the heart of automation systems lies the Programmable Logic Controller (PLC), and one of the most widely trusted names in this domain is Siemens. Specifically, the Siemens S7-1200 series stands out as a compact, versatile, and powerful automation controller that’s perfectly designed for small to mid-sized applications. Whether you’re working on machine building, process automation, or building infrastructure, S7-1200 PLCs offer high-performance control, integrated I/O, and seamless communication — all in a cost-effective solution.

Why Choose Siemens S7-1200?
- Compact Design with Integrated I/O
- Easy Integration with HMI and SCADA
- Powerful TIA Portal Support
- Seamless Communication via PROFINET and Modbus
- Expandable with signal and communication modules
Comprehensive Siemens S7-1200 Part Number List
Here’s a detailed breakdown of S7-1200 CPUs, I/O modules, signal boards, and communication processors with their Siemens part numbers for your selection and procurement needs:
S7-1200 CPU Modules
Model | Part Number | Description |
CPU 1211C DC/DC/DC | 6ES7211-1AE40-0XB0 | Basic CPU with DC power, 6DI/4DO |
CPU 1211C DC/DC/Relay | 6ES7211-1BE40-0XB0 | DC-powered, Relay output |
CPU 1211C AC/DC/Relay | 6ES7211-1HE40-0XB0 | AC-powered, Relay output |
CPU 1212C DC/DC/DC | 6ES7212-1AE40-0XB0 | Higher I/O count than 1211C |
CPU 1212C DC/DC/Relay | 6ES7212-1BE40-0XB0 | With relay outputs |
CPU 1212C AC/DC/Relay | 6ES7212-1HE40-0XB0 | AC-powered with relay outputs |
CPU 1214C DC/DC/DC | 6ES7214-1AG40-0XB0 | Mid-range controller |
CPU 1214C DC/DC/Relay | 6ES7214-1BG40-0XB0 | DC supply, relay output |
CPU 1214C AC/DC/Relay | 6ES7214-1HG40-0XB0 | AC power with relay |
CPU 1215C DC/DC/DC | 6ES7215-1AG40-0XB0 | More memory and performance |
CPU 1215C DC/DC/Relay | 6ES7215-1BG40-0XB0 | Relay version |
CPU 1215C AC/DC/Relay | 6ES7215-1HG40-0XB0 | For larger control tasks |
CPU 1217C DC/DC/DC | 6ES7217-1AG40-0XB0 | Highest performance in the S7-1200 series |
Enhanced Performance CPU Variants
Model | Part Number | Description |
CPU 1212C DC/DC/DC | 6ES7212-1AF40-0XB0 | New generation |
CPU 1212C AC/DC/Relay | 6ES7212-1HF40-0XB0 | Advanced version |
CPU 1214C DC/DC/DC | 6ES7214-1AF40-0XB0 | Enhanced capabilities |
CPU 1214C AC/DC/Relay | 6ES7214-1HF40-0XB0 | Advanced AC input |
CPU 1215C DC/DC/DC | 6ES7215-1AF40-0XB0 | High-speed version |
CPU 1215C AC/DC/Relay | 6ES7215-1HF40-0XB0 | Advanced relay output |
Digital I/O Modules
Type | Part Number | Description |
DI 8x24VDC | 6ES7221-1BF32-0XB0 | Digital Input |
DI 8x24VDC (Sink/Source) | 6ES7221-1BH32-0XB0 | High-speed input |
DQ 8x24VDC | 6ES7222-1BF32-0XB0 | Digital Output |
DQ 8xRelay | 6ES7222-1HF32-0XB0 | Relay output |
DIO 8x24VDC | 6ES7223-1BL32-0XB0 | Combined I/O module |
DIO 8xRelay | 6ES7223-1BH32-0XB0 | Mixed relay version |
DIO 16x24VDC | 6ES7223-1QH32-0XB0 | 16-point I/O |
DIO 16xRelay | 6ES7223-1PH32-0XB0 | High-capacity relay |
Communication Modules
Model | Part Number | Description |
CM 1241 RS485 | 6ES7241-1CH30-1XB0 | Serial communication |
CM 1241 RS232 | 6ES7241-1AH32-0XB0 | RS232 protocol support |
Industrial Ethernet Communication Processors
Model | Part Number | Description |
CP 1242-5 | 6GK7242-5DX30-0XE0 | PROFINET/PROFIBUS gateway |
CP 1243-1 | 6GK7243-1BX30-0XE0 | Secure cloud communication |
CP 1243-5 | 6GK7243-5DX30-0XE0 | Industrial WAN interface |
CP 1243-7 | 6GK7243-7KX30-0XE0 | Mobile wireless communication |
Latest S7-1200 Series D-Edition Modules (Advanced)
Model | Part Number | Description |
DI 6xDC | 6ES72213AD300XB0 | Digital input advanced |
DI 6xDC | 6ES72213BD300XB0 | Sink/Source |
DO 6xDC | 6ES72221AD300XB0 | Output module |
DO 6xDC | 6ES72221BD300XB0 | Relay version |
DIO 8xDC | 6ES72230BD300XB0 | Digital I/O |
AI 4x | 6ES72314HA300XB0 | Analog input |
AO 2x | 6ES72315PA300XB0 | Analog output |
AO 2x | 6ES72315QA300XB0 | Enhanced output |
AI 4x | 6ES72324HA300XB0 | High accuracy input |
Accessories and Add-ons
Accessory | Part Number | Description |
Antenna for CP Module | 6NH98601AA00 | GSM/3G/4G antenna for remote modules |
Find Genuine Siemens S7-1200 Products at Sincos
Sincos Automation Technologies Ltd. is a proud Authorized Channel Partner of Siemens in Bangladesh. That means when you choose Sincos, you’re not just getting world-class automation products — you’re also guaranteed authentic Siemens components, expert technical support, and competitive pricing.
Whether you’re looking for S7-1200 CPUs, I/O modules, communication processors, or accessories — you’ll find the full range of Siemens part numbers readily available at Sincos.
🛠️ Trust Sincos for:
- Genuine Siemens products
- Expert guidance and configuration support
- Local stock availability and fast delivery
- Professional system integration and after-sales service
Conclusion
Siemens S7-1200 PLCs offer unmatched flexibility, seamless integration with HMI/SCADA, and robust communication features, making them ideal for modern-day automation projects. With the wide variety of CPU options, I/O expansions, analog modules, and communication processors, the S7-1200 series empowers engineers and system integrators to build reliable and scalable automation solutions.
Need Help Selecting the Right PLC?
📞 Call Us: +880 1730-067613 | 📩 Email Us: siemens@sincosbd.com