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PLC Siemens S7-1200

Found 54 goods
Siemens × S7-1200 ×
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S7-1200: The Workhorse for New Ukrainian Projects and Where It Reaches Its Limit

S7-1200 is the Siemens model we ship most often: the default pick for most new sites in Ukraine. Pump stations, boiler houses without SIL requirements, conveyors, packaging machines, HVAC, dosing units. Our typical buyer this year is an engineer commissioning a line from scratch or migrating off LOGO 8/S7-200 onto something with PROFINET. We stay on S7-1200 as long as the project fits in 14 DI plus 10 DO plus 2-3 expansion modules. Past that threshold we move to S7-1500.

The catalogue holds 54 SKUs: 9 CPUs across three families (1211C, 1212C, 1214C, 1215C), 32 SM/SB expansion modules, 3 technology MODs, 2 CMs. Everything programmed in TIA Portal V16+ (LAD, FBD, STL, SCL; the free Basic edition covers S7-1200). Built-in PROFINET port, PID controller, web server for browser diagnostics without SCADA. Motion Control via PTO/PWM on CPU 1214C and up: up to 4 axes. One caveat: OPC UA arrived only in firmware FW 4.4; older units do not have it.

Which CPU 1211 / 1212 / 1214 / 1215 We Pick for Your Task

Simple selection rule. 1211C (6 DI / 2 AI / 4 DO): compact automation, up to 3 SM. 1212C (8 DI / 2 AI / 6 DO): pump stations, ventilation, up to 5 SM. 1214C (14 DI / 2 AI / 10 DO): production lines, conveyors, up to 8 SM. The workhorse of the lineup. 1215C: complex tasks with analogue control and dual Ethernet. We ask the customer about supply type (DC/DC/DC vs AC/DC/RLY), the number of analogue sensors, and whether Motion Control is on the roadmap. Top models by our sales:

ModelCPUDIAIDOSupplyApplication
6ES7211-1AE40-0XB01211C DC/DC/DC62424 VDCCompact automation
6ES7212-1AE40-0XB01212C DC/DC/DC82624 VDCPump stations, HVAC
6ES7214-1AG40-0XB01214C DC/DC/DC1421024 VDCProduction lines, conveyors
6ES7215-1AG40-0XB01215C DC/DC/DC1421024 VDCComplex analog control

The CPU 1211C is the entry point. CPU 1212C suits pump and HVAC systems. CPU 1214C with 14 DI / 10 DO handles mid-scale production. All CPUs support expansion modules, built-in PID and web server.

S7-1200 Expansion Modules

Signal modules SM 1221/1222/1223, signal boards SB, and communication modules CM 1241/1242/1243. CPU 1211C supports up to 3 SM, 1212C up to 5, 1214C up to 8.

TIA Portal Programming

Programmed in TIA Portal (V16+). IEC 61131-3 languages: LAD, FBD, STL, SCL. Built-in PROFINET, Motion Control via PTO/PWM. For Safety and OPC UA projects consider S7-1500.

Warranty and Delivery

All Siemens S7-1200 controllers ship with official warranty. Delivery across Ukraine via Nova Poshta. Bank transfer with VAT or cash on delivery.

Frequently Asked Questions

What applications is S7-1200 suitable for?

S7-1200 fits compact machines, pumps, ventilation, packaging, small lines and tasks requiring Ethernet, PID control and expansion modules.

Which S7-1200 CPU should I choose?

The choice depends on I/O count, memory, performance, communications and future reserve. CPU 1211C, 1212C and 1214C are often compared.

Is S7-1200 programmed in TIA Portal?

Yes, S7-1200 is programmed in TIA Portal. Before replacing an old CPU, check the project version and firmware compatibility.

Are expansion modules available for S7-1200?

Yes, signal, communication and other modules are available. Selection depends on the exact CPU, signal type and required interfaces.