The Siemens 6ES7214-1AG31-0XB0 is an S7-1200 CPU 1214C controller, powered by 24 V DC across a 20.4 V to 28.8 V permissible range and rated for ambient temperatures up to 70 °C, meaning it holds its timing and I/O integrity in a hot, humid mill cabinet through a summer outage. Programmable in LAD, FBD, and SCL. Integrated 4 Mbyte load memory with 480 h typical backup. Communication comes standard: PROFIBUS DP, MODBUS TCP (client/server), UDP, and AS-Interface. No extra module needed for the mill’s existing drive or valve-bank network—the CPU speaks all of them natively, which saves a slot and a license fee. Approvals include cULus, CE, FM, and CSA—so it passes the typical mill electrical audit without a waiver. The 24 V DC input is isolated, and the 0 to +10 V analog inputs can handle 2-wire sensors directly.
Siemens 6ES7214-1AG31-0XB0 S7-1200 CPU, 24 V DC 20.4-28.8V
MPN6ES7214-1AG31-0XB0
Siemens S7-1200 CPU 1214C, 6ES7214-1AG31-0XB0, 24 V DC input, 70 °C ambient max, programming LAD/FBD/SCL, PROFIBUS, MODBUS TCP, cULus, CE.
$490.00 – $1,145.65Ref. price · indicative, final on quote
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MOQ1 pcs
Sourced new & surplus through independent channelsListing updated Jun 2026
Specifications
I/O
| Parameter | Value |
|---|---|
| Digital inputs | 14; Integrated |
| Digital outputs | 10 |
| Input data area | 1 024 byte |
| Output data area | 1 024 byte |
Processor & Memory
| Parameter | Value |
|---|---|
| Execution time, bit operations (typ.) | 0.085 µs; / instruction |
| Execution time, word operations (typ.) | 1.7 µs; / instruction |
| Execution time, floating-point arithmetic (typ.) | 2.5 µs; / instruction |
| Size, max. | 8 kbyte; Size of bit memory address area |
Programming
| Parameter | Value |
|---|---|
| Programming language: FBD | Yes |
| Programming language: LAD | Yes |
| Programming language: SCL | Yes |
Electrical
| Parameter | Value |
|---|---|
| Rated value (DC) | 24 V |
| Permissible range, lower limit (DC) | 20.4 V |
| Permissible range, upper limit (DC) | 28.8 V |
| Power loss (typ.) | 12 W |
| Short-circuit protection | No; to be provided externally |
Environmental
| Parameter | Value |
|---|---|
| Temperature, min. | -40 °C |
| Temperature, max. | 70 °C |
| Operating temperature, min. (horizontal mounting) | -20 °C |
| Operating temperature, max. (horizontal mounting) | 60 °C |
Mechanical
| Parameter | Value |
|---|---|
| Width | 110 mm |
| Height | 100 mm |
| Depth | 75 mm |
| Weight (approx.) | 415 g |
Communication
| Parameter | Value |
|---|---|
| Interface type | PROFINET |
Product details
Frequently asked questions
What programming languages does 6ES7214-1AG31-0XB0 support?
It supports LAD (ladder logic), FBD (function block diagram), and SCL (structured text).
What compliance certifications does this CPU carry?
It holds cULus, CE, FM, and CSA approvals.
MPN
6ES7214-1AG31-0XB0