Genuine SIEMENS 6ES7 321-1BH02-0AA0 Digital Input Module DI 16×DC 24V | SIMATIC S7-300 – Verified Source
Konmask.com is a trusted global supplier of genuine SIEMENS SIMATIC S7-300 automation components. The 6ES7 321-1BH02-0AA0 is a 16-channel digital input module designed for the S7-300 PLC platform, delivering reliable signal acquisition in demanding industrial environments. Every unit we supply is sourced through verified channels and undergoes multi-point inspection before shipment.
Technical Specifications
- Part Number: 6ES7 321-1BH02-0AA0
- 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
- Backplane Bus: SIMATIC S7-300 standard rail
- Dimensions (W×H×D): 40 × 125 × 120 mm
- Weight: Approx. 240 g
- Operating Temperature: 0°C to +60°C
- Storage Temperature: −40°C to +70°C
- Protection Class: IP20
- Standards: CE, UL, cULus
Our 4-Step Quality Verification Process
- Step 1 – Source Authentication: All units are procured directly from authorized SIEMENS 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 consistency.
- Step 3 – Functional Testing: Where applicable, modules are bench-tested for power-on response and channel continuity prior to packaging.
- Step 4 – Secure Packaging: Units are packed in anti-static ESD bags with foam cushioning and shipped with a Konmask inspection certificate.
Key Features & Benefits
- 16 isolated DC 24V digital input channels — high channel density for compact panel design
- Plug-and-play compatibility with all SIMATIC S7-300 CPUs and racks
- Optocoupler isolation protects the CPU backplane from field-side voltage transients
- LED status indicators per channel for rapid field diagnostics
- Supports STEP 7 and TIA Portal programming environments
- Robust design rated for continuous industrial duty cycles
Typical Applications
- Discrete signal acquisition from pushbuttons, limit switches, and proximity sensors
- Machine tool and conveyor line control panels
- Process plant interlocking and safety signal monitoring
- Building automation and HVAC control systems
- Water treatment and utilities infrastructure
- Automotive assembly and test-bench automation
Compatible System Components
- SIMATIC S7-300 CPUs: CPU 312, 313C, 314, 315-2 DP, 317-2 PN/DP, and all S7-300 family
- S7-300 Standard Rail (DIN rail mounting)
- SM 321 series signal modules (same slot form factor)
- SIMATIC S7-300 Power Supply modules (PS 307)
- PROFIBUS-DP and MPI communication processors
Global Sourcing & Shipping Capabilities
Konmask.com ships the 6ES7 321-1BH02-0AA0 worldwide from our warehouse in China. We support express courier (DHL, FedEx, UPS), air freight, and sea freight options. Typical lead time for in-stock units is 3–7 business days to most destinations. Customs documentation, commercial invoices, and packing lists are provided for all international shipments. Bulk orders and project-quantity pricing are available — contact us for a formal quotation.
Certifications & Compliance Statement
The SIEMENS 6ES7 321-1BH02-0AA0 is manufactured in compliance with CE (2014/35/EU Low Voltage Directive), UL 508, and cULus standards. All units supplied by Konmask.com are genuine SIEMENS products; we do not sell replicas, refurbished-as-new, or unverified surplus. A certificate of conformity is available upon request.
How to Order
- Online: Add to cart directly on this page and proceed to checkout.
- Email RFQ: Send your quantity and delivery requirements to [email protected].
- Phone / WhatsApp: +0086 19859288691 (Mon–Sat, 09:00–18:00 CST)
- Bulk / Project Orders: Request a formal quotation with lead time and pricing tiers.
Authenticity & Trust FAQ
Q: Are these genuine SIEMENS parts?
A: Yes. All units are sourced from verified SIEMENS distribution channels. We provide documentation upon request.
Q: Do you offer a warranty?
A: We offer a 12-month warranty against manufacturing defects on all genuine modules supplied by Konmask.com.
Q: Can I verify the part before shipment?
A: Yes. We can provide pre-shipment photos, serial number confirmation, and inspection reports for orders above minimum quantity.
Q: What if the module is DOA (Dead on Arrival)?
A: Contact us within 7 days of receipt. We will arrange a replacement or full refund at no additional cost.
Q: Do you ship to my country?
A: We ship to 150+ countries. Contact us if you need a specific shipping method or customs arrangement.
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Original Source: https://Konmask.com
Contact: [email protected] | +0086 19859288691
