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6ES7331-7RD00-0AB0 SIEMENS SIMATIC Analog Input Module in Stock

6ES7331-7RD00-0AB0 SIEMENS SIMATIC Analog Input Module in Stock

The Siemens 6ES7331-7RD00-0AB0 is an analog input module for the SIMATIC S7-300 and ET 200M systems, specifically designed for acquiring 0/4 to 20 mA current signals from hazardous areas. This isolated SM 331 module features 4 analog inputs, is diagnostics-capable, and is PTB-tested for Ex(i) intrinsic safety applications. It supports 2-wire and 4-wire transmitters, provides a 16-bit measurement resolution, and offers extensive diagnostic functions including wire-break and short-circuit detection.

  • Item No :

    6ES7331-7RD00-0AB0

  • Order(MOQ) :

    1 Piece

  • Payment :

    T/T, Western Union

  • Product Origin :

    Germany

  • Shipping Port :

    Wuhan

  • Lead Time :

    3-5days

  • Weight :

    3kg

  • Product Details

    General Information

     
     
    Attribute Specification
    Product Type SM 331 Analog Input Module
    Order Number 6ES7331-7RD00-0AB0
    Series SIMATIC S7-300 / ET 200M
    Number of Analog Inputs 4
    Input Signal Types 0 to 20 mA, 4 to 20 mA
    Electrical Isolation Yes (optically isolated)

    Electrical Specifications

     
     
    Parameter Specification
    Load Voltage L+ 24 V DC (rated)
    Reverse Polarity Protection Yes
    Current Consumption (L+) 250 mA (max., no load)
    Current Consumption (5V backplane) 60 mA (max.)
    Transmitter Supply Voltage 13 V at 22 mA
    Input Resistance 50 Ω (for current input)
    Destruction Limit (current input) 40 mA (max.)

    Measurement & Resolution

     
     
    Parameter Specification
    Resolution (max.) 16-bit (10 to 15-bit + sign)
    Integration Time Parameterizable 2.5 to 100 ms
    Interference Voltage Suppression 10 to 400 Hz

    Physical Specifications

     
     
    Parameter Specification
    Width 40 mm
    Height 125 mm
    Depth 120 mm
    Weight Approx. 0.37 – 0.41 kg
    Front Connector 20-pin (1 x 20-pole)
    Max. Cable Length (shielded) 200 m

     

    Recommended Alternative Models

     
     
    Model Number Description Key Differences
    6ES7331-7SF00-0AB0 SM 331, 8 AI Thermocouple / 4 AI RTD, Ex-area Supports thermocouples and resistance thermometers (Pt100, Ni100); different input type focus
    6AG1331-7RD00-2AB0 SIPLUS S7-300 SM 331 (based on 6ES7331-7RD00) Same functionality with conformal coating; extended temperature range -25°C to +70°C; suited for harsh environments
    6ES7331-7KF02-0AB0 SM 331, 8 AI x 12-bit Non-Ex version; 8 inputs; supports voltage, current, RTD, thermocouple; higher channel count

    FAQs

    1: What types of input signals does the 6ES7331-7RD00-0AB0 support?

    A: This module supports current signals only: 0 to 20 mA and 4 to 20 mA. It does not accept voltage, thermocouple, RTD, or resistance inputs.

    2: Is this module suitable for use in hazardous areas?

    A: Yes. This module is specifically designed for signals from hazardous areas (Ex(i) protection) and is PTB-tested. It features intrinsic safety characteristics with maximum values of Uo = 25.2 V, Io = 68.5 mA, and Po = 431 mW for gas group IIC.

    3: Can this module support 2-wire and 4-wire transmitters?

    A: Yes, the module supports both 2-wire and 4-wire transmitters for current measurement. It also provides a transmitter supply voltage of 13 V at 22 mA.

    4: What is the maximum cable length for connecting sensors?

    A: The maximum shielded cable length is 200 meters. This limitation ensures signal integrity and proper Ex(i) performance.

Hot Tags :

Siemens 6ES7331-7RD00-0AB0 Controller

S7-300 Analog Input

6ES7331-7RD00-0AB0 SIMATIC PLC

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Subject : 6ES7331-7RD00-0AB0 SIEMENS SIMATIC Analog Input Module in Stock

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