The CM 1242-5 provides the communication services for integrating an S7-1200 into an automation solution as a PROFIBUS DP slave.
PROFIBUS DP slave
The CM 1242-5 works as a DPV1 slave in accordance with IEC 61158, handles data traffic completely autonomously, and thus relieves the CPU of communication tasks.
The data areas of the distributed I/Os are transferred consistently between CP and CPU.
Extensive diagnostic options are available via STEP 7, including
- Operating state of the CM
- General diagnostics functions
- Connection diagnostics
- Message buffer
STEP 7 Basic V11 or higher is required for configuring the full functional scope of the CP 1242-5.