{"product_id":"siemens-6es7212-1hd30-0xb0-industrial-automation-module","title":"Siemens 6ES7212-1HD30-0XB0 Industrial Automation Module","description":"\u003ch2\u003eProduct Introduction\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eSiemens 6ES7212-1HD30-0XB0\u003c\/strong\u003e is a compact CPU module from the SIMATIC S7-1200 series, specifically the CPU 1212C DC\/DC\/Relay variant. This industrial automation module replaces older 1200-series CPUs or upgrades systems needing reliable control in a small footprint. It integrates 8 digital inputs (24 V DC), 6 relay outputs (2 A each), and 2 analog inputs (0–10 V DC), powered by a supply voltage range of 20.4–28.8 V DC. With 25 KB of work memory and a PROFINET interface, it is ideal for distributed automation tasks. At PLC Source PRO, we ensure this genuine Siemens part is available for your next retrofit or new project.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications Breakdown\u003c\/h2\u003e\u003cp\u003eThe Siemens 6ES7212-1HD30-0XB0 delivers robust performance with key specifications derived from its datasheet:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWork Memory:\u003c\/strong\u003e 25 kbyte integrated (non-expandable) – sufficient for mid-sized control logic.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoad Memory:\u003c\/strong\u003e 1 Mbyte integrated, expandable up to 24 Mbyte via SIMATIC Memory Card.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital Inputs:\u003c\/strong\u003e 8 total, with 4 usable as high-speed counters (HSC) up to 100 kHz single-phase, or 80 kHz differential.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital Outputs:\u003c\/strong\u003e 6 relay outputs, switching up to 2 A resistive load, with mechanical endurance of 10 million cycles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnalog Inputs:\u003c\/strong\u003e 2 channels, 0–10 V DC, 10-bit resolution, conversion time 625 µs per channel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommunication:\u003c\/strong\u003e PROFINET IO Controller supporting TCP\/IP, ISO-on-TCP, and S7 communication (server).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Consumption:\u003c\/strong\u003e Typical 175 mA at 24 V DC, max 1.2 A; power loss typ. 9 W.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental:\u003c\/strong\u003e Operating temperature 0–55 °C (horizontal), IP20 protection, CE\/cULus\/FM approved.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThese specs make the 6ES7212-1HD30-0XB0 a reliable choice for compact automation systems where high-speed counting and relay switching are required.\u003c\/p\u003e\u003ch2\u003eIndustry Applications\u003c\/h2\u003e\u003cp\u003eThe Siemens 6ES7212-1HD30-0XB0 excels in applications such as:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging machinery:\u003c\/strong\u003e Counts products using HSC inputs and controls actuators via relay outputs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConveyor systems:\u003c\/strong\u003e Manages start\/stop sequences and monitors analog sensors for material presence.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilding automation:\u003c\/strong\u003e Controls lighting and HVAC relays while reading temperature sensors through analog inputs.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWhen upgrading from older S7-200 CPUs, the 6ES7212-1HD30-0XB0 offers improved processing speed (0.1 µs per bit operation) and integrated PROFINET, reducing wiring and simplifying network integration.\u003c\/p\u003e\u003ch2\u003eInstallation \u0026amp; Setup Guidance\u003c\/h2\u003e\u003cp\u003eMount the Siemens 6ES7212-1HD30-0XB0 on a standard DIN rail using the integrated clip. Ensure horizontal installation for ambient temperatures up to 55 °C; vertical installation derates to 45 °C. Connect the 24 V DC power supply to terminals L+ and M, respecting polarity. For the relay outputs, provide external short-circuit protection as the module lacks internal protection. Use shielded twisted-pair cables for analog inputs (max 100 m) and unshielded cables for digital I\/O (max 300 m). Program with STEP 7 V10.5 or higher via the PROFINET port; the web server is available for diagnostics after commissioning.\u003c\/p\u003e\u003ch2\u003eMaintenance \u0026amp; Reliability\u003c\/h2\u003e\u003cp\u003eTo maximize uptime with the 6ES7212-1HD30-0XB0, follow these practices:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePeriodically inspect relay contacts for wear—rated for 100,000 operations at rated load, 10 million mechanical cycles.\u003c\/li\u003e\n\u003cli\u003eKeep ambient temperature below 55 °C and avoid condensation (max 95% RH non-condensing).\u003c\/li\u003e\n\u003cli\u003eClean the module with a dry cloth; avoid solvents that may damage the enclosure.\u003c\/li\u003e\n\u003cli\u003eBackup the project using the EEPROM (maintenance-free backup) or a SIMATIC Memory Card for quick replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eProper ventilation and protection from vibration (2 g wall mount, 1 g DIN rail) extend the module’s service life, aligning with the cost-benefit of reduced downtime.\u003c\/p\u003e\u003ch2\u003eSelection Guide \u0026amp; Purchasing Advice\u003c\/h2\u003e\u003cp\u003eBefore ordering the Siemens 6ES7212-1HD30-0XB0, confirm your power supply is 20.4–28.8 V DC and that you require relay outputs (6 channels). For applications needing more digital or analog I\/O, add signal modules (max 2) and a signal board (max 1). If you need high-speed outputs, consider the DC\/DC\/DC variant instead. PLC Source PRO (available at ubest101) stocks this module as a genuine spare part, ready to ship from our warehouse. Contact our team for custom kitting or volume discounts.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default","offer_id":44410352730211,"sku":"6ES7212-1HD30-0XB0","price":210.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0678\/8635\/0435\/files\/6ES7212-1AE40-0XB0_2fbcd026-be53-4640-8a61-3d79aeb559f6.jpg?v=1785174468","url":"https:\/\/www.plcsourcepro.com\/products\/siemens-6es7212-1hd30-0xb0-industrial-automation-module","provider":"PLC Source PRO","version":"1.0","type":"link"}