| Sales | Phone/Whatsapp | |
| Jim Pei | [email protected] | +86 18020776782 |
| Model Number | QLCCM24AAN |
| Manufacturer | Siemens |
| Product Family | QUADLOG |
| Product Type | Critical control module |
| Siemens UPH Code | QLCCM24AAN |
| Associated Part Number | 16418-41/1 |
| System Platform | QUADLOG critical control |
| Lifecycle Status | Product cancellation announced |
| Cancellation Date | 1 October 2011 |
| Replacement Basis | Exact article and installed system verification |
| Configuration Check | Project and rack assignment required |
| Dimensions | 4 × 25.8 × 30.6 cm |
| Weight | 1.88 kg |
| Minimum Order Quantity | 1 Piece |
| Price | Contact for Jim |
| Packaging Details | Original new Factory Sealed |
| Delivery Time | 3–7 Days |
| Payment Terms | T/T |
| Shipping Method | DHL / FedEx / UPS / TNT |
| Supply Ability | Brand new, In Stock |
Siemens QLCCM24AAN is a QUADLOG critical control module identified in the manufacturer’s official product-cancellation record. The installed unit is associated with part number 16418-41/1 and belongs to the QUADLOG safety-critical control platform. Siemens listed the article for cancellation effective 1 October 2011. Exact rack position, project configuration and revision information remain essential when sourcing a replacement. A module should not be selected from the generic QUADLOG name alone.
The QLCCM24AAN is used to maintain an established critical-control system where the same module article is already engineered. Shutdown work should include a verified project backup and clear documentation of the original slot. Replacement planning must account for the wider safety lifecycle of the installed application. Pre-installation inspection should cover labels, connectors and visible board condition. A traceable exact-model spare helps reduce uncertainty during recovery of a legacy QUADLOG controller.
Supports an existing critical-control rack using the same module article.
Provides a documented legacy spare for planned outage and recovery work.
Helps maintain installed assets while a validated migration plan is prepared.
The module connects to its assigned QUADLOG controller slot.
Configured critical-control logic determines the module’s operating role.
The platform coordinates control operation and diagnostic handling.
Validated outputs are applied through the engineered critical-control architecture.
The cancellation date is documented in a Siemens product letter.
Both QLCCM24AAN and 16418-41/1 are retained for identification.
A matched module supports installed QUADLOG maintenance programs.
Rack and project evidence are checked before substitution decisions.
Siemens listed the QUADLOG critical control module in a cancellation effective 1 October 2011.
Cross-check the installed label for part number 16418-41/1 together with the model.
It supports slot identification, configuration review and controlled recommissioning.
The model, associated part number, labels, connectors and enclosure are checked against the order.
Packing begins after payment and final exact-article verification are complete.
Include rack type, slot, revision label, quantity and destination, plus clear module photographs.
The company began in Xiamen, Fujian, China, with a four-person team serving selected European and North American automation customers. Early work centered on building product knowledge, dependable sourcing processes, and practical international trade experience.
By 2017, the team had grown to approximately 30 people and established a warehouse for in-stock automation components. The business expanded across Europe, North America, and Southeast Asia while sourcing capabilities widened to include scarce and discontinued industrial automation parts.
In 2026, a wider professional team supports customers worldwide from inquiry through sourcing, order coordination, delivery, and after-sales communication. The company continues to supply popular, hard-to-find, and discontinued automation components while building long-term international partnerships through responsible service.
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