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eWON General Reference Guide - eWON wiki

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5.12 S7-300&400 (MPI/Profibus - ISOTCP)<br />

5.12.1 Introduction<br />

S73&400 IO Server is dedicated to communicate directly with SIEMENS PLC (S7-300 & S7-400).<br />

The <strong>eWON</strong> will connect directly to the PLC’s MPI interface or Profibus DP interface.<br />

WARNING: The MPI/Profibus interface requires a special serial port hardware!<br />

ONLY the <strong>eWON</strong>s MPI/Profibus are able to communicate in MPI/Profibus<br />

<strong>eWON</strong> product codes like EWxxx6x (i.e.: EW41264 <strong>eWON</strong>4001 MPI with<br />

pstn modem)<br />

<strong>eWON</strong>s MPI/Profibus have a coloured (in light blue) square around DB9 connector<br />

labelized MPI (see photos on right).<br />

<strong>eWON</strong>s MPI/Profibus (no CD series) have a Serial Gender-Changer fixed on DB9<br />

connector to provide female DB9 connector.<br />

Others Serial IO Server (i.e.: modbus RTU, DF1, UnitelWay) are not available on <strong>eWON</strong><br />

MPI/Profibus.<br />

The ISOTCP (Ethernet) is available on all <strong>eWON</strong> types.<br />

<strong>General</strong> <strong>Reference</strong> <strong>Guide</strong> IO Servers Configuration<br />

With an <strong>eWON</strong>500 (with a standard Serial Port), you can have access to a S7-300&400 Siemens PLC by Ethernet thanks to the ISOTCP<br />

protocol.<br />

With an <strong>eWON</strong>500-MPI, you can have acces by the MPI port and by ISOTCP to your S7-300&400, if it has both interfaces.<br />

Multi-Session: Since firmware 5.4, the ISOTCP-MPI gateway allows multiple clients to access the same PLC at the same time.<br />

PPI MultiMaster (for S7-200): Since firmware 5.5, it is supported by the MPI port of the <strong>eWON</strong> (See "S7-200 (PPI - ISOTCP)" on page 142)<br />

5.12.2 Setup<br />

5.12.2.1 COM configuration<br />

Figure 106: MPI link configuration<br />

Parameter Description<br />

Gateway MPI/Profibus<br />

Destination Node<br />

Protocol Type<br />

Identifies the PLC MPI/Profibus Destination address when ISOTCP is used<br />

Select protocol MPI or PROFIBUS.<br />

As the MPI port configuration is shared by the S73&400 and the S7-200<br />

IOServers, this combo box shows also the PPI MULTIMASTER protocol (See<br />

"S7-200 (PPI - ISOTCP)" on page 142)<br />

PPI MultiMaster and MPI/Profibus are mutually exclusive. It is not allowed to<br />

use the S7-200 and the S73&400 IOServers on the MPI port at the same time<br />

.<br />

Table 109: MPI/Profibus settings<br />

RG-001-0-EN ver 1.14 <strong>eWON</strong>® - 02/05/2012 - ©<strong>eWON</strong> sa Page 135

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