Siemens S7-200PLC Manual de usuario descargar pdf (Pagina 7)

Implementation steps

Chapter 5.

4. A. eWON with serial port (not MPI), set the Protocol Type, Baud Rate, Parity, Reply

Timeout, and PPI Address corresponding to those actually configured in the PLC you want to

communicate with.

Destination PPI Address: Not used, unless the eWON is used as ISOTCP-PPI gateway.

Baud Rate: 19,2 kBps, 187,5 kBps and 1,5 Mbps, etc...

Note: If you communicate only with Ethernet-connected PLC(s) and do not use the serial

link, then set the Baud Rate to Disabled and leave all other parameters in the COM Setup

part as they are.

Hardware Mode: Half Duplex

Reply Timeout: The maximum time the eWON will wait for a valid PPI message response

PPI Address: The address of the eWON on the PPI network (0..126, default is 0)

All other fields below: advanced MultiMaster parameters. These parameters have to be

configured only if another master is hooked on the PPI network.

Polling Data Registers from Siemens S7-200 PLC Series (How to) Page 7/21

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Siemens S7-200PLC Manual de usuario Pagina 7