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Siemens 6ES7211-1HE31-0XB0 — PLCs (Programmable Logic Controllers)

Siemens 6ES7211-1HE31-0XB0 S7-1200 CPU, 24 V DC, multi-field

MPN6ES7211-1HE31-0XB0

Siemens S7-1200 CPU, 24 V DC, 20.4–28.8 V supply, -40 to 70 °C, PROFIBUS/AS-i/MODBUS, 1 KB I/O memory, cULus/CE/CSA/FM.

$102.54Ref. price · indicative, final on quote
Siemens 6ES7211-1HE31-0XB0 datasheet (PDF)
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

6ES7211-1HE31-0XB0 — I/O
ParameterValue
Digital inputs6; Integrated
Digital outputs4; Relays
ExpandableNo
Input data area1 024 byte
Output data area1 024 byte
6ES7211-1HE31-0XB0 — Processor & Memory
ParameterValue
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.4 kbyte; Size of bit memory address area
6ES7211-1HE31-0XB0 — Programming
ParameterValue
Programming language: FBDYes
Programming language: LADYes
Programming language: SCLYes
6ES7211-1HE31-0XB0 — Electrical
ParameterValue
Rated value (DC)24 V
Current consumption (rated)300 mA; Typical
Permissible range, lower limit (DC)20.4 V
Permissible range, upper limit (DC)28.8 V
Power loss (typ.)8 W
Short-circuit protectionNo; to be provided externally
6ES7211-1HE31-0XB0 — Environmental
ParameterValue
Temperature, min.-40 °C
Temperature, max.70 °C
Operating temperature, min. (horizontal mounting)-20 °C
Operating temperature, max. (horizontal mounting)60 °C
6ES7211-1HE31-0XB0 — Mechanical
ParameterValue
Width90 mm
Height100 mm
Depth75 mm
Weight (approx.)380 g
6ES7211-1HE31-0XB0 — Communication
ParameterValue
Interface typePROFINET

Product details

CPU with multi-protocol fieldbus – panel-fit summary

This is a Siemens S7-1200 compact CPU, order code 6ES7211-1HE31-0XB0, running on a 24 V DC supply with a permissible range of 20.4 V to 28.8 V. Programming languages FBD, LAD, and SCL are supported directly. The unit carries PROFIBUS, AS-Interface, MODBUS TCP, and UDP stacks – you get multiple fieldbus options in one CPU without extra comm modules.

How it differs from the 6ES7211-1BE31-0XB0

The 1BE31 variant is the most common basic S7-1200 CPU, but it lacks PROFIBUS and AS-Interface – you get only PROFINET and MODBUS. Here, the 1HE31 adds PROFIBUS (client/server) and AS-Interface master support, so a panel originally wired with a PROFIBUS drop doesn't need a gateway. Footprint is the same 90 x 100 x 75 mm; wiring and backplane are identical. If the BOM calls for a 1BE31 but the plant floor has legacy PROFIBUS slaves, this is a direct swap with no rewiring and zero configuration change for the fieldbus mapping.

Frequently asked questions

What compliance certifications are documented for 6ES7211-1HE31-0XB0?

The CPU carries cULus, UL, CSA, FM, and CE approvals, covering both North American and European regulatory requirements.

Does this CPU support PROFIBUS and AS-Interface?

Yes. It includes PROFIBUS (client and server modes) and AS-Interface master, in addition to MODBUS TCP and UDP.

MPN
6ES7211-1HE31-0XB0