Siemens 6ES7331-7NF00-0AB0 is a SIMATIC S7-300 SM 331 isolated analog input module with eight channels and 16-bit conversion. Siemens specifies voltage ranges of ±5 V, ±10 V and 1 to 5 V, plus current ranges of ±20 mA, 0 to 20 mA and 4 to 20 mA. The conversion time is 55 ms, with single-point grounding and a 40-pole connection. This supports structured signal acquisition in established automation cabinets. Before replacement, verify the complete suffix, selected measuring range, field wiring, grounding, connector assignment and installed S7-300 hardware configuration.
Condition, availability and warranty are Stockoems commercial terms. The lifecycle wording follows the Siemens catalog.
| Manufacturer | Siemens |
| Complete Part Number | 6ES7331-7NF00-0AB0 |
| Product Type | SIMATIC S7-300 SM 331 isolated analog input module |
| Product Family | SM 331 analog input modules |
| Analog Inputs | 8 |
| Resolution | 16 bit |
| Conversion Time | 55 ms |
| Voltage Ranges | ±5 V, ±10 V and 1 to 5 V |
| Current Ranges | ±20 mA, 0 to 20 mA and 4 to 20 mA |
| Grounding | Single-point grounding, 50 V common-mode |
| Connection | One 40-pole connector |
| Official Life Cycle | PM400: Announcement of product phase-out |
| Country of Origin | GERMANY |
| Product Condition | Original new |
| Availability | In stock |
| Warranty | With 1 year warranty |
| Shipping | Worldwide shipping |
Verify the full suffix 6ES7331-7NF00-0AB0, measuring range, 40-pole connector, field wiring, single-point grounding, common-mode limits and installed S7-300 hardware configuration before replacement.
It is an isolated SIMATIC S7-300 SM 331 analog input module with eight channels.
Siemens specifies ±5 V, ±10 V, 1 to 5 V, ±20 mA, 0 to 20 mA and 4 to 20 mA.
The module provides 16-bit conversion with a specified conversion time of 55 ms.
Siemens specifies one 40-pole connector for this exact module.
Siemens lists this exact article under PM400: Announcement of product phase-out.
Send us the complete part number, required quantity, destination country and product label photos. Our team will check availability, condition, compatibility requirements and shipping options.
Email: sales6@apterpower.com | WhatsApp: +86 18159889985
A practical verification, logistics and after-sales workflow for industrial automation procurement.
Model and suffix verification checks the requested order code. Product and label photo confirmation supports visible identity review.
Condition confirmation records the offered commercial condition and available visual evidence.
Technical compatibility review considers suffix, revision, electrical requirements, interfaces and the installed system.
Protective packaging is selected for the equipment, connectors and planned transport route.
Worldwide shipping, shipment tracking and customs documentation are coordinated for the agreed order.
Written warranty terms, the return authorization process and after-sales response are documented for the transaction.
Visible condition, labels and order details are reviewed against the agreed supply description.
Commercial and customs documents are prepared for the selected shipping arrangement.
Procurement, delivery and reported product concerns receive coordinated follow-up.
Look for exact suffix checks, clear condition statements, traceable label photos, written warranty terms and a documented return authorization process.
Request the complete order code, label details, revision data when applicable, electrical requirements, interface compatibility and installed-system information.
Incomplete suffixes, reused photos, missing labels, vague condition claims, unsupported specifications and unclear warranty or return terms are common risk signals.
Share the complete part number, quantity, destination country and label photos so our team can review the order requirements.
Email: sales6@apterpower.com | WhatsApp: +86 18159889985
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