Siemens 6GK7177-1MA20-0AA0 LOGO! CSM12/24 4-Port 10/100 Mbit/s Industrial Ethernet Switch

The Siemens 6GK7177-1MA20-0AA0 (LOGO! CSM12/24) is a compact unmanaged switch module that connects a LOGO! 0BA7/0BA8 controller plus up to three further nodes to Industrial Ethernet over four RJ45 ports at 10 or 100 Mbit/s. It runs on 24 VDC (10.2 to 30.2 V range), draws 1.5 W, and carries LED port diagnostics with an IP20 enclosure rating.

Technical Specifications

Certifications & Standards

• CE
• cULus
• RCM
• ATEX
• UKEX
• IECEx
• UL HazLoc
• CCC
• FM
• RoHS

Selection Notes

CSM12/24 is sized for a LOGO! 0BA7/0BA8 cell: it gives the controller its own switch port plus three more for HMI, remote I/O or a second LOGO!, without the configuration overhead of a managed switch. Its dual-rated 10.2 to 30.2 V input covers both nominal 12 V and 24 V supplies from the same terminal block, so it drops onto either rail voltage without a separate power converter. The 0 to 55C operating range and IP20 rating match standard LOGO! cabinet installations rather than open, unconditioned environments.