Siemens 6ES7960-1AA00-0XA0 Synchronization Module – Obsolete SIMATIC S7-400H Spare Part

Technical Dossier

Product Details And Specifications

Siemens 6ES7960-1AA00-0XA0 Synchronization Module – Obsolete SIMATIC S7-400H Spare Part

RFQ support for obsolete parts: Send the model number, required quantity and destination so DriveKNMS can confirm sourcing options before quotation.

Technical Specifications

Solving the Discontinued Hardware Crisis

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

Condition & Reliability Assurance

Sourcing discontinued industrial hardware from the open market carries real risk. DriveKNMS applies a structured 5-step qualification process to every 6ES7960-1AA00-0XA0 unit before it leaves our facility:

• Step 1 – Visual & Physical Inspection: Full examination of the module housing, connector pins, and fiber optic ports for mechanical damage, corrosion, or evidence of prior field failure.
• Step 2 – Electrolytic Capacitor Assessment: Aging electrolytic capacitors are the primary failure mode in legacy Siemens modules. Each unit is inspected for capacitor bulging, leakage, and ESR degradation. Units with compromised capacitors are either recapped with equivalent-spec components or rejected.
• Step 3 – Firmware Version Verification: The installed firmware version is documented and cross-referenced against known compatibility requirements for S7-400H CPU variants. Mismatched firmware is a documented cause of synchronization faults in H-systems.
• Step 4 – Connector & Pin Integrity Check: All backplane connectors and fiber optic interfaces are cleaned and inspected under magnification. Pin corrosion and oxidation — common in modules stored in non-climate-controlled environments — are addressed before dispatch.
• Step 5 – Functional Verification: Where test infrastructure permits, modules undergo powered functional testing. Condition grade (New / Refurbished-Grade-A / Tested-Used) is clearly documented on the accompanying certificate.

Key Features for System Maintenance

• Drop-in replacement: The 6ES7960-1AA00-0XA0 installs directly into the existing S7-400H rack without hardware modification. No rewiring, no rack changes.
• No reprogramming required: The synchronization module carries no user program. Replacement does not require PLC program download, parameter reassignment, or process re-validation in most configurations.
• Avoids engineering reconstruction costs: Maintaining the existing S7-400H platform with verified spare modules eliminates the need for costly system integrator engagements triggered by forced migration.
• Extends asset service life by 5–10 years: A proactive spare-parts strategy — holding one or two synchronization modules in bonded storage — provides a credible operational runway that allows migration to be planned, budgeted, and executed on the plant's own schedule.
• Preserves process validation: In regulated industries (pharmaceutical, food & beverage, nuclear), the existing validated control system represents years of qualification documentation. Replacing a single module preserves that investment; a platform migration restarts the validation clock.

Q: How do I know the unit is genuine Siemens and not a counterfeit?
A: All units are sourced through documented supply chains. Each module ships with a condition report that includes serial number, firmware version, and inspection findings. We do not source from unverified brokers. Customers may request pre-shipment photos and documentation prior to payment.

Q: Can this module be used with S7-400 (non-H) systems?
A: No. The 6ES7960-1AA00-0XA0 is specific to the S7-400H redundant platform. It is not compatible with standard S7-400 single-CPU configurations.