Siemens U-55T Output Module – Obsolete SIMATIC Series Spare Part
Siemens U-55T is listed for PLC Modules RFQ review. Confirm quantity, condition and destination before quotation.
Model: 6ES7653-2BB00-0XB5
Product Overview
Commercial availability is handled through direct RFQ, model verification and export-oriented follow-up rather than public cart checkout.
Datasheet Preview
Use attached product manuals when available. If the manual is not public yet, request the full file directly through RFQ.
Commercial Path
Product pages on DRIVEKNMS are designed to verify model, brand and series first, then move the buyer into one clean quotation path.
Technical Dossier
The 6ES7653 software series traces its lineage to the early SIMATIC Manager environment introduced with STEP 7 V5.x in the late 1990s. Initial releases focused on single-seat engineering licenses for S7-300 and S7-400 hardware configuration and ladder/FBD/STL programming. As plant networks scaled, Siemens introduced floating license variants and multi-user server packages within the same catalog family.
With the transition to the TIA Portal (Totally Integrated Automation Portal) beginning around 2010, Siemens began migrating engineering tool licensing to the 6ES7822 series. However, the 6ES7653 series remained in active use for facilities standardized on STEP 7 Classic (V5.4, V5.5, V5.6) due to the high cost and complexity of migrating validated process control programs. Compatibility constraints are significant: 6ES7653 software licenses are tied to specific Windows OS generations (Windows XP through Windows 10 depending on version), and cross-version upgrades require careful entitlement verification. Many end-users in regulated industries (nuclear, pharmaceutical) maintain 6ES7653 licenses indefinitely to preserve validated system states.
The series entered a mature/end-of-mainstream-support phase as Siemens shifted primary development resources to TIA Portal V17+. Long-term lifecycle support for 6ES7653-based environments is now a primary procurement driver, making verified spare software license availability a critical operational requirement.
The following SKUs represent verified members of the Siemens SIMATIC 6ES7653 software licensing catalog, organized by functional category. Each entry reflects a distinct license type, version level, or upgrade entitlement within the STEP 7 / SIMATIC Manager ecosystem.
Engineering Software — Full Packages
Upgrade & Migration Licenses
Add-On Language Packages
Runtime & Maintenance Licenses
DriveKNMS maintains a dedicated procurement channel for end-of-life and hard-to-source Siemens SIMATIC software licenses, including the full 6ES7653 catalog. As Siemens has transitioned primary sales focus to TIA Portal licensing (6ES7822 series), obtaining new entitlements for 6ES7653 STEP 7 Classic versions through standard distribution channels has become increasingly difficult.
DriveKNMS sources verified, transferable license entitlements for 6ES7653 variants including V5.4, V5.5, and V5.6 generations. All software licenses are supplied with original Siemens Certificate of License (CoL) documentation where available. For facilities operating under IEC 61511 or nuclear regulatory frameworks that prohibit unauthorized software modifications, DriveKNMS provides full chain-of-custody documentation to support compliance audits. Customers requiring long-term lifecycle support contracts for 6ES7653-based engineering environments are advised to contact DriveKNMS directly to discuss multi-year supply agreements.
Software license verification for the 6ES7653 series follows a structured authentication protocol at DriveKNMS. Each license entitlement is validated against the Siemens Automation License Manager (ALM) to confirm transferability status, version level, and seat count. License dongles (where applicable to legacy V5.4/V5.5 variants) are tested for hardware key integrity using Siemens-compatible USB and parallel port verification tools.
Continue The Model Path
Move from this exact model into the matching system hub, brand archive, model-family archive or lifecycle sourcing route before sending a final RFQ list.