Ask our team:
  • Phone: +86 181 0690 9650
  • E-Mail sales1@apterpower.com
  • Lifecycle status

    Discontinued / Obsolete by OEM
    Documentation, quotations, selection, and exact-model checks for 6ES7331-7TF01-0AB0 are coordinated by Apter Power.

6ES7331-7TF01-0AB0

/ 4.9
1001 reviews | Need a Specific Revision?
Siemens 6ES7331-7TF01-0AB0 is an eight-channel SM331 HART analog input module that converts 0/4-20 mA field signals for an ET 200M station.
In Stock
Ships by Wednesday, October 28
Fast Shipping Available
Get a quick price for 6ES7331-7TF01-0AB0
Quantity
*E-mail
Company
*Mobile
*Content
Upload (gif, jpg, jpeg, png, bmp, doc, docx, xls, xlsx, ppt, pdf, csv)

Technical specifications for 6ES7331-7TF01-0AB0

  • Manufacturer:
    Siemens
  • Part Number:
    6ES7331-7TF01-0AB0
  • Product Family:
    Siemens ET 200M
  • Product Type:
    SM331 HART Analog Input Module
  • Stock:
    1
  • Analog inputs:
    8
  • Input ranges:
    0-20 mA and 4-20 mA
  • Input resistance:
    140 ohm
  • Measurement principle:
    Sigma-delta
  • Resolution:
    16 bit including sign
  • Transmitter connection:
    2-wire or 4-wire current transducer
  • Transmitter supply:
    24 V DC; 60 mA maximum
  • Shielded cable length:
    800 m maximum
  • Integration settings:
    20 ms at 50 Hz; 16.6 ms at 60 Hz; 100 ms at 10 Hz
  • Current error at 25 C:
    +/-0.1%
  • Diagnostic functions:
    Diagnostic alarm and limit-value alarm
  • Indicators:
    SF group error and per-channel F fault LEDs
  • Channel isolation:
    Channels not isolated from each other
  • Backplane isolation:
    Analog inputs isolated from backplane bus
  • Isolation test:
    500 V DC
  • Front connector:
    20-pin
  • Protection:
    IP20
  • Weight:
    0.4519 lbs (0.205 kg)
  • Estimated shipping dimensions:
    4x12.5x11.7cm
  • 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 Handling Conversion Timing Fault Reporting

Features:

  • Eight current inputs accept 0-20 mA or 4-20 mA field signals with HART communication.
  • A protected transmitter-supply path serves supported two-wire current transducers.
  • Selectable integration and smoothing align signal conversion with the required interference rejection.
Installed in an ET 200M station, the SM331 passes digitized process values and HART variables through the IM153-2 to the automation controller.

Two-wire transmitters can use the module supply, while four-wire instruments feed their current signal into the same measurement channels from an external supply arrangement.

Group and channel indications separate a module-level condition from a fault on one field loop before the diagnostic data is evaluated in the controller.

The Siemens 6ES7331-7TF01-0AB0 SM331 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 6ES7331-7TF01-0AB0 SM331 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 field measurement paths

  • Input ranges: Each channel is configured for either 0-20 mA or 4-20 mA acquisition.
  • Two-wire devices: The protected transmitter supply powers a supported two-wire transducer while the return current enters its measurement channel.
  • Four-wire devices: An externally powered transducer feeds its current output directly into the assigned input pair.
  • Potential group: The channels share their analog potential relationship but the input section is isolated from the backplane bus.

Measured values and device variables

  • Primary value: The analog loop current is converted into the process value transferred to the ET 200M controller path.
  • Auxiliary variables: HART auxiliary variables accompany the normal process measurement when the field device provides them.
  • Station interface: IM153-2 carries the module data and HART communication between the remote I/O station and controller.
  • Firmware function: The module supports the documented firmware-update function without changing the field-channel count.

Integration and smoothing choices

  • Integration: The selected interval determines conversion behavior and the interference frequency rejected by the input.
  • Smoothing: None, low, medium and high settings control how successive measured values are averaged.
  • Resolution: Sigma-delta conversion produces a signed 16-bit result including the overrange representation.
  • Channel response: Conversion time changes with the chosen integration setting, so noise rejection and update rate must be considered together.

From field loop to controller alarm

  • Channel indication: A red F indicator points to the affected input path rather than only reporting a common module condition.
  • Group indication: The red SF indicator summarizes a module fault for local inspection.
  • Diagnostic alarm: Enabled diagnostic events are passed through the ET 200M station for controller evaluation.
  • Limit alarm: Configured limit crossings can generate a process-related alarm separate from an electrical fault.
Description
Siemens 6ES7331-7TF01-0AB0 is an SM331 HART analog input module for an ET 200M station with IM153-2. It receives eight 0/4 to 20 mA field signals, converts them to controller data and carries HART information alongside the measured values.

Each channel on 6ES7331-7TF01-0AB0 accepts either a two-wire or four-wire current transducer. The module can supply a two-wire transmitter from its protected 24 V path, while the common input circuitry places channel isolation at the backplane boundary rather than between adjacent channels.

Signal conversion in 6ES7331-7TF01-0AB0 uses sigma-delta measurement with selectable integration and smoothing. Choosing the integration interval links conversion time to suppression of the configured 10, 50 or 60 Hz interference frequency.

Diagnostic and limit alarms from 6ES7331-7TF01-0AB0 travel through the ET 200M interface to the controller. A group SF indication identifies module-level trouble, while the channel fault indicators help narrow the condition to the affected input path.
Alternative Names
6ES73317TF010AB0 6ES7331 7TF01 0AB0 6ES 7331-7TF01-0AB0 Siemens 6ES7331-7TF01-0AB0 6ES7331-7TF01-0AB0 SM331 HART 6ES7331-7TFO1-OABO 6E57331-7TF01-0AB0 SM331 8AI HART 6ES7331
Technical notes
Siemens 6ES7331-7TF01-0AB0 is an ET 200M SM331 current-input module; its eight HART channels share the analog potential group but remain isolated from the backplane bus.
Exceptional Service

Our Mission

  • 100% Satisfaction

    We believe expertise is priceless. With over 20 years of experience, and top engineers on staff, we can help you solve or avoid problems that threaten your business.
  • Trust Guaranteed

    Not only do we have a vast inventory, our team makes sure every piece of equipment is in working condition. Your purchases are also backed by our Warranty.
  • Expertise

    Time is money, especially when your equipment is down. We work quickly to get your equipment on its way so you can get it back up and running.

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.
A 4-20 mA reading on 6ES7331-7TF01-0AB0 is unstable; which setting should be reviewed before changing wiring?
Review the integration frequency and smoothing selected for Siemens 6ES7331-7TF01-0AB0. The integration interval determines 10, 50 or 60 Hz interference suppression and also changes conversion time.
How should a two-wire transmitter receive power from 6ES7331-7TF01-0AB0?
Connect the supported two-wire transmitter through the protected 24 V transmitter-supply path of 6ES7331-7TF01-0AB0, then return the loop current to its assigned input channel.
Why is IM153-2 relevant when installing 6ES7331-7TF01-0AB0?
Siemens 6ES7331-7TF01-0AB0 is specified for an ET 200M station with IM153-2, which carries its measured values, HART data and diagnostics to the controller.
A channel fault LED is on but the group SF LED also appears on 6ES7331-7TF01-0AB0; what is the difference?
The F indication on 6ES7331-7TF01-0AB0 identifies an affected input channel, while SF reports the broader module fault state.
Can separate channels on 6ES7331-7TF01-0AB0 be treated as galvanically isolated loops?
No. The analog inputs of 6ES7331-7TF01-0AB0 are not isolated from each other, although the input section is isolated from the backplane bus.