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SIEMENS 6ES7231-5QD32-0XB0 SM 1231 TC Analog Input Module

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SIEMENS · SIMATIC S7-1200

6ES7231-5QD32-0XB0

SM 1231 Thermocouple Input Module

TEMPERATURE INPUT

PRECISION · MONITORING · CONTROL

4 AI

Thermocouple inputs

24 V DC

Rated supply voltage

15-bit + sign

Maximum resolution

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Product Details

SIEMENS

S7-1200

SIEMENS

SIMATIC S7-1200 / TEMPERATURE ACQUISITION

6ES7231-5QD32-0XB0

Four Channels. One Clear Temperature Picture.

ENGINEERED IDENTITY / INSTALLED ROLE / EXACT SELECTION

4 AI

THERMOCOUPLE INPUTS

16 BIT

CONVERSION RESOLUTION

±80 mV

DIRECT VOLTAGE RANGE

◆ ◇ ◆

01 / PRODUCT OVERVIEW

SM 1231 TC Analog Input Module

Siemens 6ES7231-5QD32-0XB0 is a SIMATIC S7-1200 SM 1231 thermocouple input module with four analog input channels. It accepts supported thermocouple types and a ±80 mV voltage range, converts the signals with 16-bit resolution and allows temperature values to be represented in degrees Celsius or Fahrenheit.

INSTALLED FAMILY

SIMATIC S7-1200 Signal Modules

4 AI · 16-bit · Thermocouple

PRICE & AVAILABILITY

Sales manager: Miya zheng

EMAIL SALES

WHATSAPP 86-18020776792

02 / TECHNICAL SPECIFICATIONS

Key Ratings and Identity

Product type	SM 1231 TC analog input module
Analog inputs	4 thermocouple channels
Resolution	16 bit
Thermocouple types	B, C, E, J, K, N, R, S, T, TXK/XK(L)
Voltage range	-80 mV to +80 mV
Rated supply	24 V DC
Typical power loss	1.5 W
Module dimensions	45 × 100 × 75 mm

03 / SYSTEM ROLE AND FUNCTIONAL OVERVIEW

How This Component Works in the System

SYSTEM POSITION

4 AI · 16-bit · Thermocouple

The module expands an S7-1200 station with low-level thermocouple measurement. It receives field temperature signals, performs analog conversion and transfers the resulting values to the CPU through the backplane bus. Correct thermocouple type, compensation method, shielding and channel parameterization are essential.

PRICE & AVAILABILITY

Sales manager: Miya zheng

EMAIL SALES

WHATSAPP 86-18020776792

04 / RELATED MODELS AND SELECTION GUIDE

Choose by Rating, Role and Installed Execution

MODEL / FAMILY	RATING OR ROLE	SELECTION POINT
6ES7231-5QD32-0XB0	4 AI thermocouple	This model
6ES7231-5QF32-0XB0	8 AI thermocouple	Choose for twice the channel count
SM 1231 RTD	Resistance temperature input	Choose for RTD or resistance sensors
SM 1231 AI	Voltage/current input	Choose for standard analog transmitters
Required front connector	Field termination	Match module width and terminal execution

05 / INSTALLATION, MAINTENANCE AND REPLACEMENT NOTES

Protect the Machine Before Power-Up

01	Mount beside a compatible S7-1200 CPU or signal module within the permitted station arrangement.
02	Use the required front connector and keep thermocouple polarity and channel assignment correct.
03	Use suitable thermocouple extension cable and shield routing; avoid parallel runs with power conductors.
04	Set the sensor type, temperature unit and channel diagnostics in the engineering project.
05	After commissioning, compare each channel with a known temperature or calibrated source.

AMIKON / 20+

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01 / PEOPLE

GLOBAL TEAM
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PRODUCT CHECKING
Quality-focused handling

03 / STOCK

WAREHOUSE NETWORK
Urgent dispatch support

◆ Quality parts for installed and discontinued automation systems.

◇ Fast handling helps reduce unplanned production delays.

◆ Support for exact catalog-number searches and replacements.

Returns and Replacement Handling

Return the item in its original condition and state the reason. Resolution follows receipt and inspection.

Return-related transport costs are arranged by the buyer.

06 / FREQUENTLY ASKED QUESTIONS

Five Questions Before You Order

01 · 6ES7231-5QD32-0XB0 — What must be verified before ordering?

Confirm the complete catalog number, installed family, rating or board execution, connector arrangement and application position.

02 · 6ES7231-5QD32-0XB0 — Can a similar-looking unit be installed instead?

No. Physical similarity does not confirm electrical, revision, firmware, current-class or system compatibility.

03 · 6ES7231-5QD32-0XB0 — What should be recorded before removal?

Capture terminal positions, labels, option hardware, parameter values, slot location and all detachable connections.

04 · 6ES7231-5QD32-0XB0 — What checks follow installation?

Inspect mounting, grounding, connector seating and clearances, then complete controlled power-up and functional checks.

05 · 6ES7231-5QD32-0XB0 — What should be sent for a quotation?

Send the full part number, quantity, unit condition required, destination and any visible revision or series marking.

07 / CONTACT FOR PRICE AND AVAILABILITY

Confirm Stock, Condition and Delivery

PRICE & AVAILABILITY

Sales manager: Miya zheng

EMAIL SALES

WHATSAPP 86-18020776792

08 / RECOMMENDED MODELS

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