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SIEMENS · PRODUCT DETAILS

Siemens 6ES7231-5ND32-0XB0 SIMATIC S7-1200 SM 1231 4AI Analog Input Module

Four-channel analog acquisition for compatible S7-1200 controller stations.

SIMATIC S7-1200

CONDITIONNew Original

WARRANTYOne year

☎ +86 17359287459 ✉ sales9@apterpower.com

Product snapshot

SM 1231 adds four voltage or current measuring channels to a compatible SIMATIC S7-1200 controller.

It suits control panels that need additional process measurements without changing the controller platform.

System fit

Field transmitters deliver analog values to the controller through the module.

Match signal ranges and wiring to the approved machine project before commissioning.

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Operation, protection & changeover

Practical checks for SIMATIC S7-1200 installations

◇ Diagnostics & Protection

Compare each configured input range with the connected transmitter and check the controller diagnostic view.

Protect signal wiring from interference and check field power before replacing a module.

↗ Installation & Upgrades

Confirm module position, supported CPU firmware and project configuration before installation.

Retain channel scaling and alarm limits when transferring the application to replacement hardware.

Official technical data

Analog inputs4	Signal typesVoltage or current	Resolution15 bit + sign
Supply24 V DC	Width45 mm	Height100 mm
Depth75 mm	Voltage ranges±10/5/2.5/1.25 V	Current ranges0–20 mA or 4–20 mA

Source: Siemens technical data for 6ES7231-5ND32-0XB0. Only exact-order-code facts are listed.

Platform context & applications

Siemens brand characteristics

Siemens SIMATIC I/O families provide documented station types for structured industrial automation projects.

SIMATIC S7-1200 provides analog input module functionality within the documented SIMATIC platform.

Maintaining the exact order code and project configuration supports orderly service and replacement.

Application fields

Analog process measurement in S7-1200 control panels.

Machine upgrades requiring additional transmitter inputs.

Maintenance of existing SM 1231 configurations.

Recommended models

Siemens

6ES7132-0BH00-0XB0	6ES7132-0BH10-0XB0	6ES7132-0BL00-0XB0	6ES7131-0BH00-0XB0
6ES7133-0BH00-0XB0	6ES7141-6BH00-0AB0	6ES7142-6BH00-0AB0	6ES7132-4BD31-0AA0
6ES7132-4BF50-0AA0	6ES7322-1HF10-0AA0	6ES7322-1FH00-0AA0	6ES7422-1BH10-0AA0
6ES7422-1FH00-0AA0	6ES7522-1BF00-0AB0	6ES7521-1FH00-0AA0	6ES7954-8LL03-0AA0
6ES7231-5ND32-0XB0	6ES7123-1GB00-0AB0	6ES7144-5KD00-0BA0	6ES7952-1AK00-0AA0

Beckhoff

EL1002	EL1004	EL1008	EL1012
EL1014	EL1018	EL1809	EL1889
EL2002	EL2004	EL2008	EL2024
EL2809	EL3002	EL3054	EL3064
EL4002	EL4004	EL4102	EL5101

Model references only; verify electrical and mechanical compatibility before substitution.

Quote & service notice

Quote

For a checked quotation, provide the complete order code, required quantity and delivery destination. Availability, lead time and exact configuration can then be confirmed before purchase.

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