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SIMATIC S7-1200, CPU 1214C, COMPACT CPU, DC/DC/RELAY
ONBOARD I/O: 14 DI 24V DC; 10 DO RELAY 2A
2 AI 0 - 10V DC, POWER SUPPLY: DC 20.4 - 28.8 V DC
PROGRAM/DATA MEMORY: 100 KB
The 6ES7214-1HG40-0XB0 is a compact central processing unit, CPU 1214C, within the Siemens SIMATIC S7-1200 series. Powered by a DC source, it allows an operating voltage range from 20.4 V to 28.8 V DC. The hardware features onboard I/O interfaces, including 14 digital inputs (24V DC), 10 relay digital outputs (2A), and 2 analog inputs (0-10V DC). Equipped with 100 KB of program and data work memory, it controls small-to-medium industrial applications independently without expansion modules, while supporting connections to right-side signal modules or left-side communication modules.
Supports up to 2A to directly control 220V AC or 24V DC loads, eliminating intermediate relays
Integrates power, 14 DI / 10 DO, 2 AI, and an Ethernet port on one unit for independent operation
Retains data during power outages via internal Flash, requiring no external battery and reducing maintenance
The 6ES7214-1HG40-0XB0 controller has an IP20 protection rating enclosure and supports standard DIN-rail mounting. For communication capabilities, the hardware features a built-in RJ45 port supporting the PROFINET industrial Ethernet protocol, used to connect to host computer software, Human-Machine Interfaces (HMI), or other distributed field I/O stations. The device integrates a retentive data memory area for storing temporary variables, utilizing its internal Flash memory for data retention during power outages without requiring an external battery. Combined with its 100 KB work memory and onboard 14-input/10-output (relay) electrical configuration, this hardware is deployed as an independent unit or communication node in various automated production lines.
The Siemens 6ES7214-1HG40-0XB0 controller features a DC/DC/relay configuration, where both the system power supply and digital inputs operate on 24V DC, and the outputs are relay contacts. With a maximum switching current of 2A per relay output, the hardware connects directly to external loads of various voltage levels, reducing intermediate relays and wiring steps in the control cabinet. The 2 onboard 0-10V analog channels are used to collect voltage signals from pressure or temperature sensors. Combined with 100 KB of internal work memory, this model is used in machinery manufacturing, machine tool control, building automation, and distributed field control networks.
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Siemens 6ES7214-1HG40-0XB0 CPU 1214C Manuals, Datasheets, Drivers, Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Water Treatment Industry
Controlling dosing pump startup, monitoring filter tank levels, and sequencing valve operations.
HVAC & Building Automation
Regulating multi-fan startups, collecting temperature voltage signals, and switching heating/cooling valves.
When using the 6ES7214-1HG40-0XB0, three critical points must be observed. First, high-frequency switching is strictly prohibited. Due to the limited mechanical lifespan of relay outputs, do not use it for PWM or high-speed pulse positioning.
Second, protect against inductive load surges. External surge suppressors or flyback diodes must be installed when controlling AC contactors or solenoids to safeguard the contacts.
Third, prevent overloading and ensure proper enclosure protection. The current per output must not exceed 2A, and since the hardware has an IP20 rating, it must be installed inside a dustproof and waterproof control cabinet.
6ES7214-1HG40-0XB0 is a compact Siemens S7-1200 PLC featuring a DC/DC/relay configuration. It operates on 24V DC, integrating 14 digital inputs, 10 relay outputs (2A max), and 2 analog inputs. Equipped with 150 KB work memory and 1 PROFINET port, it supports flexible I/O expansion and is widely used for small-to-medium machinery and factory logic control.
It is the CPU 1214C controller (transistor output type) in the Siemens SIMATIC S7-1200 series.
How many digital inputs and outputs does 6ES7214-1HG40-0XB0 have onboard?
It integrates 14 digital inputs (24V DC) and 10 digital outputs (24V DC, transistor).
Does 6ES7214-1HG40-0XB0 have onboard analog interfaces?
Yes, it has 2 onboard analog inputs (0-10V DC), but no onboard analog outputs.
What is the work memory of 6ES7214-1HG40-0XB0?
It features 100 KB of work memory for user programs and data.
How do you use a product like 6ES7214-1HG40-0XB0?
Mount it on a DIN rail, connect 24V power, wire the I/O peripherals, program the logic in TIA Portal, and download it to run.
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Disclaimer: We are not an authorized distributor or distributor of the product manufacturer of this website, The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because our company is not an authorized distributor of this product, the Original Manufacturer`s warranty does not apply.While many DCS PLC products will have firmware already installed, Our company makes no representation as to whether a DSC PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. Our company also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from our company, its distributors, or any other source. Our company also makes no representations as to your right to install any such firmware on the product. Our company will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.
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