![Although LOGO uses the S7 Protocol, some small changes (new connection functions added) were needed in Snap7 to manage it as PLC Server by a Snap7Client. Although LOGO uses the S7 Protocol, some small changes (new connection functions added) were needed in Snap7 to manage it as PLC Server by a Snap7Client.](https://snap7.sourceforge.net/logo_file/logo8.jpg)
Although LOGO uses the S7 Protocol, some small changes (new connection functions added) were needed in Snap7 to manage it as PLC Server by a Snap7Client.
![SIEMENS LOGO PLC SIMATIC LOGO Siamtic LOGO Programmable logic controller - AoteWell Automation | AoteWell Ltd SIEMENS LOGO PLC SIMATIC LOGO Siamtic LOGO Programmable logic controller - AoteWell Automation | AoteWell Ltd](https://www.aotewell.com/wp-content/uploads/2011/10/plc-logo-basico.jpg)
SIEMENS LOGO PLC SIMATIC LOGO Siamtic LOGO Programmable logic controller - AoteWell Automation | AoteWell Ltd
![LOGO! - S7 Connection with LOGO! Client and S7-1200/1500 Server - ID: 109778776 - Industry Support Siemens LOGO! - S7 Connection with LOGO! Client and S7-1200/1500 Server - ID: 109778776 - Industry Support Siemens](https://support.industry.siemens.com/cs/images/109778776/109778776_LOGO_communication_to_S7.png)