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Siemens 6ES7212-1HE40-0XB0 is a SIMATIC S7-1200 CPU 1212C compact controller with DC power, 24 V DC inputs, and relay outputs. Its onboard I/O provides eight digital inputs, six 2 A relay outputs, and two 0-10 V analog inputs.
The CPU operates from a 20.4 to 28.8 V DC supply and provides 100 KB of program and data memory. Siemens identifies firmware version V4.7 and STEP 7 V20 or higher for engineering the verified hardware configuration.
Technical specifications for 6ES7212-1HE40-0XB0
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Product Model6ES7212-1HE40-0XB0
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Spare ModelCPU 1212C DC/DC/relay
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Product ParametersCompact DC relay CPU
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Tariff Code85371091
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Country of originGermany
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Place of shipmentXiamen, China
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In stock1 unit
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Estimated Shipping Size9.0 x 10.0 x 7.5 cm
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ManufacturerSiemens
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Weight0.39 kg
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CPU typeCPU 1212C DC/DC/relay
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Firmware versionV4.7
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Supply voltage20.4 to 28.8 V DC
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Digital inputs8 x 24 V DC
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Digital outputs6 relay outputs at 2 A
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Analog inputs2 x 0 to 10 V DC
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Work memory100 KB
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Load memory2 MB
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PROFINET interfaces1
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Power loss9 W typical
View all additional
Alternative Names
Siemens CPU 1212C DC/DC/relay
SIMATIC S7-1200 Compact DC relay CPU
S7-1200 6ES7212-1HE40-0XB0
Technical notes
Verify the complete article number, electrical limits, terminal assignments, supported hardware configuration, grounding, EMC separation, enclosure conditions, and current Siemens documentation before installation or replacement.
SYSTEM & REPLACEMENT CHECK
Information needed before ordering
Three direct checks to secure your system integration and minimize ordering risks.
Information
Overview
Manuals
Product Applications
Compatibility
Lifecycle & Replacement
Features:
- CPU type: CPU 1212C DC/DC/relay
- Firmware version: V4.7
- Supply voltage: 20.4 to 28.8 V DC
- Digital inputs: 8 x 24 V DC
- Digital outputs: 6 relay outputs at 2 A
The product provides 8 DI, 6 relay DO, 2 AI and operates with 20.4 to 28.8 V DC. Verify the exact order number, supported configuration, installation conditions, and current Siemens documentation before use.
6ES7212-1HE40-0XB0 Siemens: Confirm electrical limits, terminal or connector assignments, grounding, EMC separation, and system compatibility before installation or replacement.
Siemens 6ES7212-1HE40-0XB0 CPU 1212C DC/DC/relay Manuals, Datasheets, Official Documents, Links
- Preview Data Sheet PDF
- Preview Manufacturer's Manual PDF
- View Siemens SIMATIC S7 Products
- View All Siemens Products
Important Notice: Amikon PDF documents are independent reference materials prepared from verified Siemens sources. Use the current controlled Siemens documentation for installation and commissioning. Accessories, manuals, cables, software, certificates, and other items are not included with this equipment unless listed in the stock item description.
- Compact machine sequence control
- Conveyor and material-handling automation
- Packaging machine control
- Pump and fan auxiliary control
- PROFINET-connected production equipment
These applications reflect the supported product functions described in Siemens SIMATIC system documentation. Final use depends on project engineering, electrical limits, risk assessment, and the controlled hardware configuration.
Use 6ES7212-1HE40-0XB0 only within a supported SIMATIC S7-1200 configuration. Confirm the complete article number, 20.4 to 28.8 V DC, 8 DI, 6 relay DO, 2 AI, terminal or connector arrangement, compatible modules, and current Siemens hardware catalog.
Replacement requires verification of project configuration, firmware where applicable, electrical loads, signal ranges, enclosure conditions, grounding, and EMC design. Do not substitute another order number solely because its housing or connector appears similar.
Confirm current Siemens lifecycle and availability information for article number 6ES7212-1HE40-0XB0 before procurement. Installed units should remain within the documented electrical, mechanical, environmental, and maintenance limits.
For replacement, compare the complete order number, product designation, supply or signal limits, interfaces, dimensions, project compatibility, and supported system configuration. Follow controlled Siemens migration, installation, and commissioning instructions.
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Important notice
Manuals, software, firmware, cables, calibration data and accessories are included only when listed in the quotation. AMIKON is an independent supplier and is not affiliated with or authorised by the manufacturer.
This content has been produced using multiple sources. Takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
FREQUENTLY ASKED QUESTIONS
Questions buyers ask about 6ES7212-1HE40-0XB0
Direct answers about identity, compatibility, stock, warranty, payment and shipping.
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What is the product designation?
CPU 1212C DC/DC/relay. -
What supply or operating condition applies?
20.4 to 28.8 V DC. -
Which principal functions are provided?
8 DI, 6 relay DO, 2 AI. -
What must be checked before replacement?
Verify the full article number, electrical limits, terminals, configuration, and project compatibility. -
Which documentation should be used?
Use the current controlled Siemens article-number data sheet and applicable system manuals.
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