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6AG1331-7PF11-4AB0

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Siemens 6AG1331-7PF11-4AB0 is a SIPLUS S7-300 SM 331 isolated analog input module with eight thermocouple channels, 16-bit resolution, and conformal coating.
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Technical specifications for 6AG1331-7PF11-4AB0

  • Manufacturer:
    Siemens
  • Part Number:
    6AG1331-7PF11-4AB0
  • Product Family:
    Siemens Simatic S7-300
  • Product Type:
    SIPLUS S7-300 SM 331 8-Channel Thermocouple Analog Input Module
  • Stock:
    1
  • Supported Thermocouples:
    B, E, J, K, L, N, R, S, T, TXK, and TXK(L)
  • Resolution:
    16 bit including sign
  • Conversion Time:
    50 ms
  • Rated Load Supply:
    24 V DC
  • Maximum Load-Supply Current:
    240 mA
  • Maximum Backplane Current:
    100 mA at 5 V DC
  • Typical Power Loss:
    3 W
  • Diagnostic Functions:
    Parameterizable
  • Diagnostic Alarm:
    Parameterizable per group
  • Limit Alarm:
    Parameterizable
  • Group Error Indicator:
    Red SF LED
  • Front Connector:
    40-pin
  • Operating Temperature:
    0 to 60 °C
  • Storage and Transport Temperature:
    -40 to 70 °C
  • Weight:
    0.741 lbs (0.336 kg)
  • Estimated shipping dimensions:
    15x13x5cm
  • Tariff Code:
    8538909190
  • 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 TC Inputs Conversion Alarms Field Wiring

Features:

  • Eight isolated thermocouple inputs convert field millivolt signals to S7-300 values.
  • The 16-bit measuring path supports multiple thermocouple characteristic curves.
  • Parameterized diagnostics, limit alarms, and conformal coating define the SIPLUS variant.
Siemens 6AG1331-7PF11-4AB0 brings eight thermocouple channels into an S7-300 station.

The configured thermocouple curve and integration time of 6AG1331-7PF11-4AB0 determine each converted value.

Diagnostic and limit events from 6AG1331-7PF11-4AB0 reach the controller through the backplane.

Verify the complete Siemens 6AG1331-7PF11-4AB0 SIPLUS S7-300 SM 331 Thermocouple Input Module article number and documented interface before matching the installed unit.
Siemens 6AG1331-7PF11-4AB0 SIPLUS S7-300 SM 331 Thermocouple 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.

Thermocouple Channel Assignment

  • Channel count: Eight analog inputs accept the supported thermocouple types.
  • Curve selection: Each channel parameter selects the characteristic used for signal conversion.
  • Polarity: Reversed thermocouple conductors produce an incorrect direction of temperature change.
  • Range check: The selected sensor type must cover the measured process temperature.

Integration and 16-Bit Values

  • Resolution: The module sends a signed 16-bit measurement value to the controller.
  • Integration: Interference-frequency suppression determines the selected integration behavior.
  • Update path: Converted channel data enters the S7-300 process image through the backplane.
  • Comparison: Raw values are checked against the configured sensor type before engineering scaling.

Diagnostic and Limit Events

  • Diagnostic alarm: Configured channel groups can report a diagnostic condition to the CPU.
  • Limit alarm: A measured value crossing the assigned limit can trigger the parameterized event.
  • SF indicator: The red group-fault LED directs the technician to the module diagnostic buffer.
  • Readable data: Detailed diagnostic information is evaluated before replacing the module.

Connector and Supply Relationships

  • Front connector: A 40-pin connector carries the eight thermocouple circuits and module supply.
  • Load supply: The 24 V DC path powers the measuring electronics and remains polarity-protected.
  • Shielding: Thermocouple cables follow the documented routing and grounding arrangement.
  • Coating boundary: Conformal coating does not replace correct connector, cabinet, and condensation control.
Description
Siemens 6AG1331-7PF11-4AB0 is a SIPLUS S7-300 SM 331 analog input module with conformal coating. Its eight isolated input channels convert supported thermocouple millivolt signals into 16-bit controller values for the S7-300 backplane.

Thermocouple selection on 6AG1331-7PF11-4AB0 assigns the correct characteristic curve for types B, E, J, K, L, N, R, S, T, and TXK variants. The selected interference-frequency setting determines integration time, while the 50 ms conversion behavior defines how quickly new channel values reach the process image.

Channel diagnostics in 6AG1331-7PF11-4AB0 report readable module conditions and can generate parameterized diagnostic or limit alarms. A 40-pin front connector carries field wiring, and the load-voltage input supplies the measuring electronics separately from the backplane.
Alternative Names
6AG13317PF114AB0 6AG1331 7PF11 4AB0 6AG 1331 7PF11 4AB0 Siemens 6AG1331-7PF11-4AB0 6AG1331-7PF11-4AB0 SIPLUS SM 331 6AG1331-7PF11-4AB0 Thermocouple Module 6AG1331-7PFI1-4AB0 6AGI331-7PF11-4AB0
Technical notes
Thermocouple type, compensation method, interference frequency, and field polarity must agree with the channel parameters of Siemens 6AG1331-7PF11-4AB0.
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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.
Why does 6AG1331-7PF11-4AB0 show a stable but incorrect temperature?
Check the 6AG1331-7PF11-4AB0 thermocouple type, polarity, compensation setting, engineering scaling, conductor material, and terminal assignment.
What causes channel fluctuation on 6AG1331-7PF11-4AB0?
Inspect the 6AG1331-7PF11-4AB0 shielding, cable routing, loose terminals, interference-frequency setting, grounding, sensor junction, and common-mode voltage.
Why does 6AG1331-7PF11-4AB0 report wire or sensor faults after replacement?
Compare the 6AG1331-7PF11-4AB0 channel parameters with the installed thermocouples and verify connector seating, continuity, polarity, and load supply.
How should limit alarms be checked on 6AG1331-7PF11-4AB0?
Verify the 6AG1331-7PF11-4AB0 raw value, selected measuring range, high and low thresholds, hysteresis, group enable, and CPU interrupt handling.
What must match before changing 6AG1331-7PF11-4AB0?
Confirm the exact 6AG1331-7PF11-4AB0 SIPLUS variant, eight-channel thermocouple configuration, 40-pin connector, supply, address, and saved hardware parameters.