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Siemens 6GK7177-1MA20-0AA0 Programmable Logic Controller
The Siemens 6GK7177-1MA20-0AA0 Programmable Logic Controller delivers 10/100 Mbit/s Ethernet switching and four RJ45 ports for LOGO! systems. This LOGO! CSM12/24 module connects one controller and up to three additional nodes, supports 12/24 V DC supply, and includes LED diagnostics with a dedicated front port. It enhances automation communication within Siemens networks, extending Siemens PLC connectivity in the Siemens LOGO! logic module series.

| Brand | Siemens |
| Product Type | Programmable Logic Controller (PLC) |
| Model Number | 6GK7177-1MA20-0AA0 |
Siemens 6GK7177-1MA20-0AA0 Programmable Logic Controller – Technical Specifications
| Specification | Value |
|---|---|
| Product Description | LOGO! CSM12/24 Compact Switch Module connection of a LOGO! (. ..0BA7/...0BA8) and up to 3 further nodes to Ind. Ethernet with 10/100 Mbit/s Unmanaged switch, 4 RJ45 ports, 1x front port for diagnostics DC 12/24V power supply LED diagnostics, LOGO! setup. |
| Product family | LOGO! CSM unmanaged |
| Product Lifecycle (PLM) | PM300:Active Product |
| Net Weight (kg) | 0,190 Kg |
| Packaging Dimension | 45,00 x 75,00 x 100,00 |
| Package size unit of measure | MM |
| Country of origin | Germany |
The Siemens 6GK7177-1MA20-0AA0 Programmable Logic Controller is a compact unmanaged switch module featuring four RJ45 ports, 10/100 Mbit/s Ethernet, and 12/24 V DC input. As part of the Siemens LOGO! logic module family, it supports diagnostics through LED indicators and a dedicated front port, enabling reliable Ethernet connectivity for distributed automation components.
This module is used in conveyor networks, packaging machinery, small automation cells, and assembly systems requiring fast and stable Ethernet communication. Its unmanaged switching simplifies setup and wiring, while multi-port connectivity ensures smooth communication between controllers, HMIs, drives, and monitoring devices in compact industrial networks.
The Siemens 6GK7177-1MA20-0AA0 offers dependable Ethernet switching, flexible 12/24 V DC operation, and simple diagnostics for LOGO! applications. With Siemens reliability and robust communication capability, it supports long-term performance in industrial automation environments that demand stable node connectivity and efficient network expansion.




