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6ES7431-7QH00-0AB0

Siemens 6ES7431-7QH00-0AB0 | 16 AI Thermocouple Pt100 Module

In stock (25 units), ready to be shipped

  • Manufacturer: Siemens

  • Product No.: 6ES7431-7QH00-0AB0

  • Product Type: Analog Input Module

  • Product Origin: DE

  • Payment:T/T, Western Union

  • Weight: 500g

  • Shipping port: Xiamen

  • Warranty: 12 months

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Description

Siemens 6ES7431-7QH00-0AB0 SIMATIC S7-400 Analog Input Module

Product Overview

Siemens 6ES7431-7QH00-0AB0 is a SIMATIC S7-400 analog input module SM 431 with 16 isolated analog inputs. Features 16 bit resolution with alarm and diagnostics functions. Supports voltage, current, resistor, thermocouple, and Pt100/Pt1000/Ni100/Ni1000 input ranges. Isolated between channels and backplane bus. Ideal for high density analog signal acquisition.

Technical Specifications

Parameter Value
Brand Siemens
Model 6ES7431-7QH00-0AB0
Series SIMATIC S7-400
Type Analog Input SM 431
Analog Inputs 16 isolated (8 for resistance)
Resolution 16 bit
Load Voltage 24V DC
Input Current from L+ 400 mA max
Backplane Current 700 mA max at 5V DC
Power Loss 4.5 W typical
Voltage Ranges ±25mV to ±10V, 1 to 5V
Current Ranges ±5mA to ±20mA, 0 to 20mA, 4 to 20mA
Thermocouple Types B, E, J, K, L, N, R, S, T, U
RTD Types Pt100, Pt200, Pt500, Pt1000, Ni100, Ni1000
Resistor Ranges 0 to 48, 150, 300, 600, 6000 Ohm
Conversion Time 6 / 20.1 / 23.5 ms
Integration Time 2.5 / 16.7 / 20 ms
Shielded Cable Length 200m max (50m for TC and ≤80mV)
Isolation 2120V DC bus to analog section
Dimensions W x H x D 25 x 290 x 210 mm
Weight 500 g

Installation

Install module in SIMATIC S7-400 rack. Connect 24V DC load voltage for 2 wire transmitters. Wire analog signals to front connector. Use shielded cable maximum 200m (50m for thermocouples and ≤80mV ranges). Configure temperature compensation for thermocouples. Set diagnostics and alarm parameters per application.

Features

16 isolated analog inputs with 16 bit resolution. Supports voltage, current, thermocouple, RTD, and resistor inputs. External temperature compensation with Pt100 or compensation socket. Parameterizable characteristic linearization. Fast conversion time 6 ms. Diagnostic alarm and limit value alarm functions. High density 16 channel design in compact 25mm width.

FAQ

Q1: How many analog inputs does this module have?
A1: 16 analog inputs for voltage/current measurement, 8 for resistance measurement. Resolution 16 bit.

Q2: What input types are supported?
A2: Voltage (±25mV to ±10V, 1 to 5V), current (0 to 20mA, 4 to 20mA), thermocouple (B, E, J, K, L, N, R, S, T, U), RTD (Pt100, Pt1000, Ni100, Ni1000), and resistors (0 to 48, 150, 300, 600, 6000 Ohm).

Q3: What is the maximum cable length?
A3: 200m for shielded cable. 50m for thermocouples and input ranges ≤80mV. Use shielded cable for all analog signal wiring.

Product Resources

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🏷️ Tags: Analog Input Module Siemens

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