Import Cp5611, Cp5611-A2 — Buy in Bulk from Supplier in China

The Cp5611 and Cp5611-A2 are PCI-based communication cards designed for desktop computers to interface with Siemens SIMATIC networks via Profibus DP, MPI, or PPI. They replicate the functionality of the original Siemens 6GK1 561-1AA00 and 6GK1 561-1AA01 models, using optoelectronic isolation to protect the host PC from fieldbus voltage transients. The card connects directly into a PCI slot and operates at speeds from 9.6 kbps to 12 Mbps.

The device employs optical isolation between the PC bus and the fieldbus interface, providing up to 1000 VDC isolation. It is not equipped with active surge protection circuits, unlike the CP5512. Power draw is minimal, drawing from the PCI bus without requiring external power. The card is compatible with Windows-based programming tools such as STEP 7 and supports communication with S7-200, S7-300, and S7-400 PLCs. It does not include an MPI extension cable, which must be sourced separately.

This card is typically purchased by maintenance teams and automation integrators who need a fixed installation for programming or monitoring PLCs in control rooms. It is preferred over USB adapters in environments with high electromagnetic interference due to its direct bus connection. Buyers often seek this as a replacement for aging Siemens units. Trade terms are typically FOB Shenzhen, with packaging in anti-static bags. Lead time and MOQ are not specified and must be confirmed directly.

Kollewin Technology Co., Ltd. is a supplier based in Shenzhen, China, with a registered address in the Baihe Hotel Building. The company is verified as a harbor-tier supplier, indicating compliance with basic export documentation and shipping capabilities. No company history, certifications, or employee count are disclosed. The listing shows active distribution of CP5611 and similar cards but provides no evidence of manufacturing, R&D, or after-sales service infrastructure.

The supplier’s profile does not mention testing facilities, quality control processes, or customer references. Response rate and average response time are zero, suggesting limited or no customer interaction via the platform. Buyers should assume this is a reseller or small-scale assembler. Product authenticity is not guaranteed by third-party certification, and warranty terms are not stated. Due diligence is required before placing bulk orders.