S7

The S7Comm Protocol utilizes COTP (Connection-Oriented Transport Protocol) and TPKT (RFC 1006) on top of TCP for communication between ACM and S7 devices. The S7Comm protocol is designed for transferring data into SCADA systems via Ethernet.

Supported Devices

The Siemens® S7 (S7Comm) module is designed to allow a host computer to communicate with 300, 400, 1200 and 1500 model devices via the Ethernet port on the device (May be labeled as PROFINET port).

Note

The S7 protocol does not implement any PROFINET protocols such as IO or RT.

Supported Features

The Siemens® S7 (S7Comm) module supports reading and writing of:

Inputs
Outputs
Merker Memory
Data Blocks
ISO COTP Connection
S7Comm Setup Communication

Further Information

For further information regarding the S7 (S7Comm) device, please refer to the vendor documents.