Genuine SIEMENS 6ES7331-7NF00-0AB0 Analog Input Module | S7-300 Series – Verified Source
The SIEMENS 6ES7331-7NF00-0AB0 is an 8-channel analog input module designed for the SIMATIC S7-300 programmable logic controller platform. Konmask.com sources this module directly through verified industrial supply channels, ensuring authenticity, traceability, and full compatibility with your existing S7-300 infrastructure.
Technical Specifications
- Part Number: 6ES7331-7NF00-0AB0
- Brand: SIEMENS (SIMATIC)
- Series: S7-300
- Module Type: Analog Input (AI)
- Number of Channels: 8 × AI
- Input Types: Voltage (±10 V, ±5 V, ±2.5 V, 1–5 V), Current (0–20 mA, 4–20 mA, ±20 mA), Resistance / RTD, Thermocouple (TC)
- Resolution: 15-bit + sign
- Conversion Time: Min. 52 ms (all 8 channels)
- Supply Voltage: DC 24 V (via backplane bus)
- Isolation: Galvanic isolation between channels and backplane
- Dimensions (W×H×D): 40 × 125 × 120 mm
- Weight: Approx. 400 g
- Operating Temperature: 0 °C to +60 °C
- Protection Class: IP 20
- MLFB / Order No.: 6ES7331-7NF00-0AB0
Our 4-Step Quality Verification Process
Every unit shipped from Konmask.com passes through a rigorous 4-step verification protocol before dispatch:
- Step 1 – Source Authentication: We verify the supply chain origin and cross-reference batch codes against manufacturer records.
- Step 2 – Physical Inspection: Housing integrity, label legibility, connector condition, and firmware version are checked against OEM specifications.
- Step 3 – Functional Bench Test: Where applicable, modules are powered and tested for correct I/O response and communication handshake.
- Step 4 – Packaging & Documentation: Units are repackaged with anti-static protection, and a quality inspection report is included with each shipment.
Key Features & Benefits
- Multi-range analog input flexibility — voltage, current, RTD, and TC in a single module
- High-resolution 15-bit + sign conversion for precise process measurement
- Galvanic isolation protects your control system from ground loops and transient noise
- Plug-and-play compatibility with all S7-300 CPUs and IM interface modules
- Configurable via STEP 7 / TIA Portal with no additional hardware required
- Compact 40 mm width minimizes rack space consumption
- Proven reliability in continuous 24/7 industrial environments
Typical Applications
- Process temperature monitoring via thermocouple or RTD sensors
- Pressure and flow measurement in chemical and petrochemical plants
- Level sensing in water treatment and utilities
- Drive feedback and motor current monitoring in manufacturing lines
- HVAC control systems requiring multi-point analog acquisition
- Energy management and power quality monitoring
Compatible System Components
- CPUs: S7-300 series — CPU 312, 313, 314, 315, 316, 317, 319 and variants
- Racks: SIMATIC S7-300 mounting rails (standard and extended)
- Power Supplies: PS 307 (2A / 5A / 10A)
- Interface Modules: IM 360 / IM 361 for multi-rack configurations
- Software: STEP 7 V5.x, TIA Portal V13 and above
- Signal Cables: Standard 20-pin front connector (sold separately)
Global Sourcing & Shipping Capabilities
- Stock Location: Shenzhen, China (primary warehouse)
- Lead Time: In-stock items ship within 1–3 business days
- Shipping Methods: DHL Express, FedEx International Priority, UPS Worldwide, EMS, sea freight for bulk orders
- Export Compliance: All shipments comply with applicable export control regulations; commercial invoices and packing lists provided
- Customs Support: HS code documentation and country-of-origin certificates available on request
- Minimum Order: 1 unit (bulk pricing available for orders of 5+ units)
Certifications & Compliance Statement
- CE Marking: Compliant with EU Machinery Directive and EMC Directive
- UL Listed: Recognized for use in North American industrial installations
- RoHS Compliant: Meets EU Directive 2011/65/EU on restriction of hazardous substances
- ISO 9001: Konmask.com operates under a quality management framework aligned with ISO 9001 principles
- Authenticity Disclaimer: Konmask.com is an independent distributor and is not an authorized SIEMENS partner. All products are sourced from legitimate secondary market channels and are represented accurately as to their condition and origin.
How to Order
- Add the required quantity to your cart and proceed to checkout.
- For bulk orders (5+ units), contact us directly for a volume discount quotation.
- Provide your shipping address and preferred freight method at checkout.
- Upon order confirmation, you will receive a proforma invoice and estimated dispatch date within 24 hours.
- Track your shipment via the courier tracking number provided by email.
For urgent requirements or project-based procurement, email support@konmask.com or call +0086 19859288691.
Authenticity & Trust FAQ
Q: Is this a genuine SIEMENS product?
A: Yes. All units are sourced from verified industrial supply channels. We do not sell counterfeit, refurbished-as-new, or misrepresented goods.
Q: Can you provide a certificate of origin or test report?
A: Yes. Documentation is available upon request for orders of any size. Contact us before or after purchase.
Q: What if the module is DOA (Dead on Arrival)?
A: We offer a 30-day DOA replacement policy. Contact support within 30 days of receipt with photos and a description of the fault.
Q: Do you accept returns?
A: Returns are accepted within 14 days for unused, unopened items in original packaging. Please review our Returns Policy page for full terms.
Q: Can I request a sample before placing a bulk order?
A: Yes. Sample orders (1–2 units) are available at standard pricing. Contact us to discuss your project requirements.
Q: What payment methods do you accept?
A: We accept T/T (bank transfer), PayPal, credit card (via Shopify Payments), and Western Union for international orders.
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Original Source: https://Konmask.com
Contact: support@konmask.com | +0086 19859288691
