Genuine SIEMENS 6ES7321-1BH10-0AA0 16-Point Digital Input Module | S7-300 Series – Verified Source
The SIEMENS 6ES7321-1BH10-0AA0 is a 16-channel digital input module designed for the SIMATIC S7-300 programmable logic controller platform. Sourced directly through verified industrial supply channels, every unit sold by Konmask.com undergoes a rigorous 4-step authenticity and functional verification process before shipment.
Technical Specifications
- Part Number (SKU): 6ES7321-1BH10-0AA0
- Series: SIMATIC S7-300
- Module Type: Digital Input (DI)
- Number of Inputs: 16 × DC 24V
- Input Voltage: DC 24V (rated)
- Input Current: Approx. 7 mA per channel
- Isolation: Optocoupler isolation between channels and backplane bus
- Signal Delay: Configurable 0.1 ms / 0.5 ms / 3 ms / 15 ms
- Backplane Bus Current Consumption: 50 mA (5V DC)
- Power Dissipation: Approx. 2.8 W
- Dimensions (W × H × D): 40 × 125 × 120 mm
- Weight: Approx. 180 g
- Operating Temperature: 0°C to +60°C
- Storage Temperature: −40°C to +70°C
- Protection Class: IP20
- Certifications: CE, UL, cULus, ATEX (Zone 2)
Our 4-Step Quality Verification Process
- Step 1 — Source Authentication: All units are procured exclusively from authorized distributors or verified OEM surplus channels. No grey-market or counterfeit sources are accepted.
- Step 2 — Physical Inspection: Each module is inspected for label integrity, housing condition, connector pin alignment, and firmware version markings consistent with genuine SIEMENS production standards.
- Step 3 — Functional Bench Test: Modules are powered up and tested for correct I/O response, bus communication, and LED status indication using a SIMATIC S7-300 test rack.
- Step 4 — Packaging & Documentation: Units are repackaged in anti-static ESD bags with a Konmask inspection certificate, and shipped with original or equivalent technical documentation.
Key Features & Benefits
- 16 isolated DC 24V digital inputs in a compact 40 mm wide housing
- Configurable input delay for noise immunity in harsh industrial environments
- Plug-and-play compatibility with all SIMATIC S7-300 CPUs and expansion racks
- Diagnostic interrupt capability for rapid fault detection
- Supports STEP 7 and TIA Portal engineering software
- Robust optocoupler isolation protects the CPU backplane from field-side transients
- DIN rail mounting with front connector (not included — order separately if required)
Typical Applications
- Machine tool and CNC control panels
- Conveyor and material handling systems
- Packaging and bottling line automation
- Building management and HVAC control
- Water treatment and pump station monitoring
- Automotive assembly line interlocks
- Oil & gas field instrumentation interfaces
Compatible System Components
- CPUs: S7-300 series — CPU 312, 313, 314, 315, 316, 317, 318, 319
- Racks: UR1 (6ES7390-1AE80-0AA0), UR2 (6ES7390-1AF30-0AA0), ER1/ER2 expansion racks
- Power Supplies: PS 307 series (6ES7307-xxxx-0AA0)
- Front Connectors: 6ES7392-1BJ00-0AA0 (20-pin screw type), 6ES7392-1BM01-0AA0 (20-pin spring type)
- Engineering Software: SIMATIC STEP 7 V5.x, TIA Portal V13 and above
Global Sourcing & Shipping Capabilities
Konmask.com ships the 6ES7321-1BH10-0AA0 worldwide from our warehouse in China. Standard lead time for in-stock units is 1–3 business days for dispatch. Expedited air freight options are available for urgent project requirements. We support export documentation including commercial invoices, packing lists, and certificates of origin for customs clearance in the EU, USA, Southeast Asia, and the Middle East.
- Incoterms: EXW, FOB Xiamen, CIF available on request
- Minimum Order: 1 unit
- Bulk Pricing: Available for orders of 5+ units — contact us for a quote
- Payment: T/T (Bank Transfer), PayPal, Western Union, Trade Assurance
Certifications & Compliance Statement
The SIEMENS 6ES7321-1BH10-0AA0 carries the following certifications as issued by Siemens AG:
- CE — Compliant with EU Machinery Directive and EMC Directive
- UL / cULus — Listed for use in North American industrial control panels
- ATEX Zone 2 — Suitable for use in potentially explosive atmospheres (with appropriate enclosure)
- RoHS — Compliant with EU Directive 2011/65/EU on restriction of hazardous substances
Konmask.com is an independent reseller and is not an authorized Siemens distributor. All trademarks belong to their respective owners. Certification documents are available upon request for verification purposes.
How to Order
- Click Add to Cart or Buy Now to place your order directly online.
- For bulk orders (5+ units), project BOMs, or custom lead-time requirements, email support@konmask.com with your quantity and delivery address.
- Include your project timeline if expedited processing is needed — we will confirm stock availability and dispatch schedule within 24 hours.
- A Konmask inspection certificate and packing list will be included with every shipment.
Authenticity & Trust FAQ
Q: Are these genuine SIEMENS modules?
A: Yes. Every 6ES7321-1BH10-0AA0 unit we sell is sourced from verified industrial supply channels and passes our 4-step quality verification process before shipment.
Q: Can you provide test reports or inspection certificates?
A: Yes. A Konmask inspection certificate is included with every order. Additional third-party test reports can be arranged for large orders upon request.
Q: What is your return policy?
A: We offer a 30-day return window for units that are DOA (dead on arrival) or do not match the advertised specifications. Please contact support@konmask.com within 30 days of receipt.
Q: Do you offer a warranty?
A: Yes — all units carry a 12-month Konmask warranty covering manufacturing defects and functional failures under normal operating conditions.
Q: Can I verify the module’s authenticity myself?
A: Yes. Genuine SIEMENS S7-300 modules carry a holographic label on the housing and a traceable order number. You can cross-reference the module’s firmware version and production date code via STEP 7 or TIA Portal after installation.
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Original Source: https://Konmask.com
Contact: support@konmask.com | +0086 19859288691






