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6ES7431-7QH00-0AB0 Siemens

Name: 6ES7431-7QH00-0AB0 Siemens
Brand: Siemens
SKU: 6ES7431-7QH00-0AB0
Price: 602.25 USD
Availability: InStock

$602.25 - $4,198.25

$602.25

$602.25 - $4,198.25

$602.25

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Product Details

Description · Specifications · Product Overview

Specifications provided for reference. Verify critical details against official manufacturer documentation before installation.

Product Overview

The Siemens 6ES7431-7QH00-0AB0 is an SM 431 analog input module for the SIMATIC S7-400 control platform. It provides 16 isolated analog input channels supporting voltage, current, resistance, Pt100, and thermocouple signals with 16-bit resolution. This module performs measurement, diagnostics, and alarm signaling within high-availability industrial control systems. It typically integrates into process and manufacturing automation frameworks where precise analog signal acquisition from diverse sensors is required. Part number 6ES7431-7QH00-0AB0 aligns with standard S7-400 I/O expansion for complex analog interfacing.

Best Suited For

S7-400 rack analog expansion
Multi-channel voltage/current sensor acquisition
Resistance and temperature sensor (Pt100/thermocouple) interface
Diagnostics and alarm integration

Analog channels

16

Resolution

16-bit

Supply voltage

24 V DC (load voltage L+)

Power consumption

Typ. 4.5 W

Weight

Approx. 500 g

Technical Specifications

I/O & Electrical

Number of analog inputs

16

Voltage/current input channels

16

Resistance input channels

8

Input ranges (voltage, current, TC, RTD, resistance)

Supported

Rated input voltage ranges

-25 mV to +25 mV up to ±10 V, 1 V to 5 V, etc.

Input resistance (voltage ranges)

1 MΩ

Input resistance (current ranges)

50 Ω

Constant measurement current

1.67 mA

Permissible input voltage (destruction limit)

18 V continuous, 75 V for 1 ms

Permissible input current (destruction limit)

40 mA

Communication & Power

Load voltage L+

24 V DC

Reverse polarity protection

Yes

Input current from L+ (max)

400 mA

Input current from backplane bus 5 V (max)

700 mA

Power loss (typ.)

4.5 W

Physical & Environmental

Dimensions (W×H×D)

25 mm × 290 mm × 210 mm

Weight

Approx. 500 g

Certifications

EU declaration of conformityUK declaration of conformityULChina RoHSATEXIECExDNVBVABSLRRINARMRS

Includes EU and UK declarations of conformity, UL approval, China RoHS, ATEX, IECEx and various maritime classification society approvals (e.g. DNV, BV, ABS, LR, RINA, RMRS).

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Rockwell Automation documentation

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