6ES7331-7KF02-0AB0
SIMATIC S7-300 SM 331 analog input module, isolated, 8 analog inputs, resolution 9/12/14 bits, for voltage/current, thermocouples and resistance thermometers, with diagnostics — genuine article supplied by SENTRADO through authorized channels, with 24-hour response on stock and lead time for customers worldwide.
Genuine 6ES7331-7KF02-0AB0 from SENTRADO
The S7-300 SM 331 analog input module — 8 isolated analog inputs for voltage, current, thermocouple and resistance-thermometer signals, with parameterizable diagnostics for installed S7-300 and ET 200M stations. We supply this article as a genuine Siemens product sourced through authorized channels, exported with FOB, CIF or DDP terms and full export documentation. We reply within 24 hours with a human response on stock and lead time — contact us for live stock & lead time.
SENTRADO (Beijing Xinshentuo Technology Co., Ltd.) is the export and international-project arm of a Siemens Certified System Integrator (Professional), certificate no. FY26CSI91110105801731460A, with 25+ years of control-cabinet and system-integration experience.
Supply assurance
Genuine, authorized-channel supply
Every unit is a genuine 6ES7331-7KF02-0AB0 article sourced through authorized channels, with full export documentation.
Certified integrator background
SENTRADO operates as the export and international-project arm of a Siemens Certified System Integrator (Professional), certificate no. FY26CSI91110105801731460A, with 25+ years of control-cabinet experience.
24-hour human response
We reply within 24 hours to confirm stock and lead time — contact us for live stock & lead time before ordering.
Sources: official manufacturer product pages and technical documentation.
Technical specifications
Parameters below are taken from the official Siemens SIOS technical data sheet / Industry Mall entry for 6ES7331-7KF02-0AB0.
| Product | SIMATIC S7-300 SM 331 analog input module, isolated |
|---|---|
| Inputs | 8 analog inputs |
| Measuring signals | Voltage, current, thermocouples (E, J, K, L, N), resistance thermometers (Pt100, Ni100) |
| Transducer connection | 2-wire and 4-wire current transducers |
| Resolution | 9 / 12 / 14 bit (per range) |
| Basic conversion time | 3 / 17 / 22 / 102 ms (per channel/range) |
| Diagnostics | Parameterizable diagnostics, group error SF (red) |
| Isolation | Optocoupler to backplane bus and electronics, tested 500 V DC |
| Front connector | 1 × 20-pin |
| Supply voltage | 24 V DC (L+); power loss typ. 1 W |
| Dimensions (W × H × D) | 40 × 125 × 117 mm |
| Weight | Approx. 250 g |
Only parameters and family facts confirmed on official Siemens sources are listed. Contact our engineers for configuration checks, accessories and compatibility with your installed system.
Compatibility & supply
Three ways our team supports your 6ES7331-7KF02-0AB0 requirement: genuine component supply, engineering/configuration checks and complete-BOM handling.
Genuine article for installed systems
We supply the genuine 6ES7331-7KF02-0AB0 (SIMATIC S7-300 SM 331 analog input module, isolated, 8 analog inputs, resolution 9/12/14 bits, for voltage/current, thermocouples and resistance thermometers, with diagnostics) sourced through authorized channels. Share your controller, drive or panel article numbers and our engineers verify compatibility with your installed system before shipment.
Engineering & compatibility checks
Direct swap-in for installed SM 331 8-channel analog input modules in S7-300 racks and ET 200M stations. It provides 8 isolated analog inputs with 9/12/14-bit resolution for voltage/current measurement, thermocouples (types E, J, K, L, N) and resistance thermometers (Pt100/Ni100), supports 2-wire and 4-wire transducers, offers parameterizable diagnostics and uses one 20-pin front connector. Send us your signal types and front-connector details and we verify the module and accessories. Our engineers support configuration checks and program handling before shipment.
Accessories & complete BOM
We can quote the complete bill of materials — controllers, panels, modules, power supplies and accessories — in one shipment with export-grade packaging and full documents.
Typical applications
An 8-channel analog input module for voltage, current, thermocouple and RTD signals in installed S7-300 and ET 200M stations.
- Process analog signal acquisition (4–20 mA, 0–10 V)
- Temperature measurement with thermocouples (E/J/K/L/N)
- Temperature measurement with Pt100 / Ni100 RTDs
- 2-wire and 4-wire transmitter connections
- S7-300 and ET 200M analog input expansion
- Retrofit and extension of installed systems
Supply & delivery
Genuine & sourced right
Genuine Siemens products sourced through authorized channels, with export documentation. No grey-market ambiguity.
24-hour response
Every inquiry gets a human reply within 24 hours confirming stock and lead time. Formal quotations follow manufacturer inquiry.
Stock & lead time
Availability changes daily. Contact us for live stock & lead time — express air freight for line-down emergencies.
Global export
Worldwide shipping on FOB, CIF or DDP terms with export-grade packaging and full documents — Middle East, Southeast Asia, Africa and South America.
Frequently asked questions
Is the 6ES7331-7KF02-0AB0 a genuine Siemens part?
How fast do you respond, and what about lead time?
How do I confirm compatibility with my S7-300 / ET 200M station?
What is this analog input module typically used for?
What about warranty, MOQ and international shipping?
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Send us the article number and quantity — we reply within 24 hours with stock and lead-time confirmation. Contact us for live stock & lead time.