Product Overview
The Siemens 6ES7214-1AG31-0XB0 is a compact CPU module from the SIMATIC S7-1200 series. This DC/DC/DC version features onboard I/O with 14 digital inputs (24 V DC), 10 digital outputs (24 V DC), and 2 analog inputs (0-10 V DC). It operates on a DC power supply ranging from 20.4 to 28.8 V DC and offers a program/data memory of 75 KB. An updated replacement model, the 6ES7214-1AG40-0XB0, is available for those seeking the latest revision. This module is ideal for upgrading older S7-200 systems or expanding existing S7-1200 installations.
Technical Specifications
Key performance specifications for the Siemens 6ES7214-1AG31-0XB0 include:
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Supply voltage: DC 20.4 V to 28.8 V
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Load voltage L+: DC 24 V (rated), permissible range 20.4 V to 28.8 V
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Inrush current: Max. 12 A
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Power loss: Typical 12 W
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Work memory: 75 KB integrated (not expandable)
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Load memory: 4 MB integrated
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CPU processing times: Bit operations 0.085 µs; word operations 1.7 µs; floating point 2.5 µs (typical)
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Digital inputs: 14 total, 6 usable for technological functions, input voltage 24 V DC, input current 1 mA typical
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Digital outputs: 10 total, 4 high-speed outputs, max. switching capacity 0.5 A resistive, 5 W lamp load
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Analog inputs: 2 channels, 0-10 V DC, resolution 10 bit, conversion time 625 µs
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Communication: PROFINET IO Controller (1 interface), supports S7 communication, TCP/IP, ISO-on-TCP, UDP
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Degree of protection: IP20
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Approvals: CE, CSA, UL, cULus, FM
For detailed specifications, refer to the datasheet. All values are sourced from the product database.
Industry Applications
The Siemens 6ES7214-1AG31-0XB0 is well-suited for applications requiring a compact CPU with integrated I/O. Typical use cases include:
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Machine control: Managing discrete processes with high-speed counting and PID control for temperature or pressure regulation.
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Material handling systems: Conveyor belt control using the digital outputs and encoder inputs via the integrated high-speed counters.
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Packaging machinery: Precise positioning and timing using the 100 kHz pulse outputs and alarm inputs.
Installation and Setup Guidance
Mount the Siemens 6ES7214-1AG31-0XB0 on a standard DIN rail in a control cabinet. Ensure adequate ventilation for heat dissipation. Connect the DC power supply (24 V DC) to the L+ and M terminals, observing polarity. For digital inputs, use shielded cables up to 500 m (unshielded up to 300 m). For analog inputs, use shielded cables up to 100 m. Configure the module using Siemens TIA Portal software; select the correct CPU model and set parameters such as input delays and interrupt behavior. No special tools are required for basic installation.
Selection and Purchasing Advice
When purchasing the Siemens 6ES7214-1AG31-0XB0, verify that your system voltage matches the DC supply range (20.4-28.8 V). Consider whether the integrated I/O meets your application needs or if additional signal modules are required. Although a newer replacement (6ES7214-1AG40-0XB0) exists, the 6ES7214-1AG31-0XB0 remains a reliable choice for many standard applications. PLC Source PRO offers this module with careful packaging to ensure safe delivery. For bulk inquiries or technical support, contact us through the store at ubest101.myshopify.com.