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6AG1331-7TF01-7AB0

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Converting eight current-loop signals into S7-300 process values, Siemens 6AG1331-7TF01-7AB0 is a conformal-coated SIPLUS SM331 HART analog input module for extended temperatures.
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Technical specifications for 6AG1331-7TF01-7AB0

  • Manufacturer:
    Siemens
  • Part Number:
    6AG1331-7TF01-7AB0
  • Product Family:
    Siemens Simatic S7-300
  • Product Type:
    SIPLUS SM331 8-Channel HART Analog Input Module
  • Stock:
    1
  • Analog Inputs:
    8 current channels
  • Input Ranges:
    0–20 mA and 4–20 mA
  • Input Resistance:
    240 Ω
  • HART Communication:
    Supported
  • Resolution:
    16 bit including sign
  • Two-Wire Transmitters:
    Supported
  • Four-Wire Transmitters:
    Supported
  • Shielded Cable Length:
    800 m maximum
  • Destruction Limit:
    40 mA maximum
  • Integration Times:
    20 ms, 16.6 ms, or 100 ms
  • Diagnostic Alarm:
    Supported
  • Limit Value Alarm:
    Supported
  • Channel Isolation:
    No; group of 8
  • Backplane Isolation:
    Yes
  • Required Front Connector:
    20-pin
  • Rated Load Voltage:
    24 V DC
  • Typical Power Loss:
    1.5 W
  • Operating Temperature:
    -25 to +70 °C
  • Weight:
    0.56 lbs (0.254 kg)
  • Estimated shipping dimensions:
    13x15x4.8cm
  • Tariff Code:
    85389091
  • 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.

More Information

Overview Manuals Current Inputs HART & Conversion Alarms & Isolation Coating & Climate

Features:

  • Eight 0/4–20 mA channels acquire current-loop values and HART device communication.
  • Sixteen-bit conversion and selectable integration times organize analog measurement and noise rejection.
  • Diagnostic alarms, limit alarms, conformal coating, and an extended temperature range support monitored operation.
Current from each transmitter enters its assigned channel, passes through the shared input group, and becomes an S7-300 process value.

HART messages travel over the analog loop, while the integration setting controls the conversion timing and interference suppression.

Alarm data reaches the controller and the SF LED supplies a local group indication across the coated environmental design.

The Siemens 6AG1331-7TF01-7AB0 SIPLUS SM331 8-Channel HART Analog Input Module may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Siemens 6AG1331-7TF01-7AB0 SIPLUS SM331 8-Channel HART Analog Input Module Manuals,Datasheets,Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.

Eight Current-Loop Measurement Channels

  • Channel count: Eight inputs measure current signals in the configured 0–20 mA or 4–20 mA range.
  • Input resistance: Each current path presents the documented 240-ohm input resistance.
  • Signal limit: The maximum permissible current at a channel is 40 mA before the destruction boundary.
  • Cable length: Shielded transmitter wiring may extend to 800 m under the specified installation conditions.

Transmitter Communication and Analog Processing

  • HART path: Digital HART communication shares the same current-loop wiring as the analog process value.
  • Transmitter types: The module supports both two-wire and four-wire current transmitters.
  • Resolution: Conversion produces a value with as many as 16 bits including sign.
  • Integration: Selectable integration times align conversion with 10, 50, or 60 Hz interference suppression.

Diagnostic Reporting and Electrical Grouping

  • Diagnostic alarm: A detected module or channel condition can generate the configured diagnostic alarm.
  • Limit alarm: Measured values crossing a configured limit can trigger a process alarm.
  • Channel group: All eight inputs belong to one group and are not isolated from one another.
  • System boundary: The channel group is isolated from the backplane bus and electronics supply.

SIPLUS Environmental Design

  • Conformal coating: The coated electronics are based on the corresponding S7-300 SM331 current module.
  • Operating range: The SIPLUS variant operates from -25 to +70 °C within the documented derating boundary.
  • Condensation class: The specified humidity test includes condensation and frost, without commissioning while condensed.
  • Interface covers: Unused interfaces retain their supplied covers where the environmental classification requires them.
Description
Siemens 6AG1331-7TF01-7AB0 is a conformal-coated SIPLUS S7-300 SM331 analog input module that converts eight 0/4–20 mA transmitter signals into controller process values. Each current input uses 16-bit conversion, while HART communication carries device data over the same current-loop wiring.

The eight channels of 6AG1331-7TF01-7AB0 form one non-isolated input group and share the module electronics boundary. Two-wire transmitters receive their 24 V supply through the module path, while four-wire transmitters provide their own field supply and send the measured current into the assigned channel.

Configured integration time on 6AG1331-7TF01-7AB0 sets both conversion behavior and rejection of the selected interference frequency. Diagnostic and limit-value alarms report module or process conditions to the S7-300 CPU, and the red SF indicator summarizes the group fault state locally.

A 20-pin front connector brings field loops to 6AG1331-7TF01-7AB0, with shielded runs documented to 800 m. The conformal coating and SIPLUS design extend operation to -25 through +70 °C, while the specified environmental classes define exposure to humidity, dust, and chemically active substances.
Alternative Names
6AG13317TF017AB0 6AG1331 7TF01 7AB0 6AG 1331 7TF01 7AB0 Siemens 6AG1331-7TF01-7AB0 6AG1331-7TF01-7AB0 SIPLUS SM331 6AG1331-7TF01-7AB0 HART Input Module 6AG1331-7TFO1-7ABO 6AGI331-7TF01-7AB0
Technical notes
Siemens 6AG1331-7TF01-7AB0 accepts eight 0/4–20 mA HART channels with 16-bit resolution, two- or four-wire transmitters, diagnostics, and limit alarms.
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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 signals does Siemens 6AG1331-7TF01-7AB0 measure?
Siemens 6AG1331-7TF01-7AB0 measures eight current inputs configured for 0–20 mA or 4–20 mA.
Can 6AG1331-7TF01-7AB0 communicate with HART transmitters?
Yes. 6AG1331-7TF01-7AB0 carries HART data over the same wiring as the analog current signal.
Are the eight channels of Siemens 6AG1331-7TF01-7AB0 isolated from each other?
No. The eight input channels of Siemens 6AG1331-7TF01-7AB0 form one non-isolated group.
Which transmitter wiring types work with 6AG1331-7TF01-7AB0?
The 6AG1331-7TF01-7AB0 supports both two-wire and four-wire current transmitters.
How does Siemens 6AG1331-7TF01-7AB0 reject line-frequency interference?
Siemens 6AG1331-7TF01-7AB0 uses the selected integration time to suppress the configured 10, 50, or 60 Hz interference frequency.
What front connector is required by 6AG1331-7TF01-7AB0?
The 6AG1331-7TF01-7AB0 requires a 20-pin front connector for its field current loops.

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