Siemens 6ED1055-1NB10-0BA0 Digital Expansion Module – LOGO! Series

Technical Dossier

Product Details And Specifications

Siemens 6ED1055-1NB10-0BA0 Digital Expansion Module: Procurement Strategy & Supply Continuity in a Constrained Market

The Siemens 6ED1055-1NB10-0BA0 is a digital expansion module for the Siemens LOGO! compact logic controller series, designed to extend the I/O capacity of LOGO! 12/24RC, 24, 24o, and 230RC base units. It provides 8 digital inputs (24 V DC) and 4 digital relay outputs (10 A / 250 V AC), making it a standard building block in small-scale automation for building management, HVAC control, pump sequencing, and conveyor interlocking applications.

Procurement Specifications

Q: How are RFQ terms confirmed?
A: Quantity, required condition, documentation needs, destination and sourcing route are confirmed during RFQ review before quotation.

• RFQ terms review: Commercial terms are confirmed during RFQ review based on model, condition, documentation, quantity and destination.
• Authenticity Verification: Each unit is inspected against Siemens factory markings, date codes, and label integrity before dispatch. Counterfeit risk is a documented issue in the secondary market for LOGO! modules; DriveKNMS applies a multi-point visual and functional check protocol.
• Export Documentation: Full commercial invoice, packing list, certificate of origin, and EUR.1 or Form A documentation available on request. Compliant with EU dual-use export regulations and CN customs requirements.
• Payment Currencies: USD, EUR, CNY, HKD accepted. T/T (bank transfer), PayPal, and LC (letter of credit for orders above USD 10,000) supported.
• Logistics Partners: DHL Express, FedEx International Priority, UPS Worldwide. Standard transit: 3–5 business days to Europe/North America; 5–8 business days to Middle East/Southeast Asia. Air freight tracking provided for all shipments.

Part Number Validation: Siemens LOGO! part numbers follow a structured naming convention. Errors in suffix digits (e.g., confusing 0BA0 with 0BA6 or 0BA7) result in incompatible modules. Our technical team cross-checks every RFQ against the customer's stated base unit version before confirming supply, eliminating costly mis-shipments.

Obsolescence Management: We maintain a rolling database of Siemens LOGO! lifecycle status updates. When a module approaches end-of-life, we proactively notify repeat customers and recommend stocking strategies or validated migration paths — before the supply gap becomes a production risk.

Q: What is the difference between 6ED1055-1NB10-0BA0 and 6ED1055-1NB10-0BA2?
A: The suffix 0BA0 and 0BA2 denote hardware revision levels within the LOGO! DM8 12/24R family. Both are functionally equivalent for most applications, but firmware compatibility with specific LOGO! base unit versions may differ. Confirm your base unit's order number before ordering.

Q: Is this module compatible with LOGO! 8 (0BA8)?
A: No. LOGO! 0BA7 expansion modules are not electrically or mechanically compatible with LOGO! 8 base units. The 0BA8 equivalent is the 6ED1055-1NB10-0BA2 or the newer LOGO! DM8 12/24R (6ED1055-1NB10-0BA2). Confirm your base unit generation before ordering.