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6ES7 431-0HH00-0AB0

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The 6ES7431-0HH00-0AB0 module from Siemens’SIMATIC S7 series is engineered for precision analog current measurement across 8 channels.
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Technical specifications for 6ES7 431-0HH00-0AB0

  • Manufacturer:
    Siemens
  • Part Number:
    6ES7 431-0HH00-0AB0
  • Product Family:
    Siemens Simatic S7-400
  • Operating Voltage:
    24 VDC
  • Current Consumption:
    Max. 60 mA
  • Input Signals:
    0…20 mA
  • Supply Current:
    Max. 200 mA
  • Number of Channels:
    8
  • Connection Type:
    Spring-loaded terminals
  • Protection Class:
    IP20
  • Communication Interface:
    Profinet
  • Operating Temperature:
    -25°C to +60°C
  • Weight:
    0.64 kg
  • Estimated shipping dimensions:
    29x2.5x21.1cm
  • Tariff Code:
    8537101190
  • Country of origin:
    Germany
  • Place of shipment:
    Xiamen, Fujian, China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.
Description

The Siemens 6ES7 431-0HH00-0AB0 is a high-precision analog input module (SM 431) belonging to the SIMATIC S7-400 PLC series, designed to convert analog signals from field sensors (such as temperature, pressure, and flow transducers) into digital data for processing by the S7-400 CPU, featuring 8 isolated channels that support multiple input types including voltage (0-10 VDC), current (4-20 mA), thermocouples (J/K/T/E/R/S/B/N), and resistance thermometers (Pt100/Ni100), with high measurement accuracy (±0.1% of full scale) and integrated diagnostic functions for real-time monitoring of channel faults, wire breaks, and overrange conditions.


Fully compatible with S7-400 standard racks (UR1/UR2/UR2-H), this module supports hot swapping for easy maintenance without system shutdown, operates stably in industrial environments with a temperature range of 0 °C to 60 °C, and is widely used in process control, manufacturing automation, and critical industrial applications requiring reliable analog signal acquisition. Though classified as a mature product with ongoing spare parts support, its recommended replacement for new projects is the enhanced S7-400 analog input module variants or migration to the SIMATIC S7-1500 platform with compatible AI modules for improved performance and scalability.

Alternative Names
6ES7-43I-0HH00-0AB0 6ES7-431-OHH00-0AB0 6ES7-431-OHH00-0AB0 6ES7-431-OHHOO-OABO
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
What is the input signal range for the 6ES7431-0HH00-0AB0 module?
The module supports analog input signals in the 0 to 20 mA range.
How many channels does this analog input module support?
It provides 8 analog input channels.
What is the accuracy of the module?
The accuracy at 25°C is ±0.05%.

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