Product details
Specifications
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Service & Policy

SIEMENS • PRODUCT DETAILS

SIMATIC S7-300 SM 331 Ex Analog Input Module

6ES7331-7SF00-0AB0

PRODUCT IDENTITY

An isolated SIMATIC S7-300 analog input module for hazardous-area thermocouple and Pt100 signals with integrated diagnostics.

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SPECIFICATIONS • OFFICIAL PRODUCT DATA

Communication, connectivity and configuration

COMMUNICATION & CONNECTIVITY

Accepts eight thermocouple inputs or four Pt100 resistance-temperature inputs

Provides isolated channels for signals originating in hazardous areas

Uses one 20-pole front connector with the SIMATIC S7-300 backplane bus

CONFIGURATION & PROGRAMMING

Select thermocouple or Pt100 measuring modes and channel parameters in STEP 7

Activate module and channel diagnostics for commissioning and maintenance

Observe approved hazardous-area wiring and isolation requirements during installation

OFFICIAL TECHNICAL DATA

PRODUCT DESIGNATION

SM 331 Ex

SYSTEM

SIMATIC S7-300

ANALOG INPUTS

8 thermocouples or 4 Pt100

SIGNAL AREA

Hazardous-area signals

CHANNEL ISOLATION

Isolated

DIAGNOSTICS

Diagnostics-capable

FRONT CONNECTOR

1 x 20-pole

APPROVAL BASIS

PTB tested

RECOMMEND • APPLICATION CONTEXT

Industry relevance and application scope

RELATED INDUSTRIES

Chemical, oil and gas, pharmaceutical, energy and process plants with hazardous-area instrumentation.

APPLICATION SCOPE

Intrinsically safe temperature acquisition, thermocouple and Pt100 monitoring, and S7-300 Ex-signal integration.

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SERVICE & POLICY

Verification before supply

SERVICE PROCESS

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Quote

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Dispatch

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Thermocouple Pt100 Module

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