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LAN Configuration

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‚M’, ‚m’, ‚F’, ‚f’ Keeping byte TX.DWNR, RX.DWNR<br />

‚T’, ‚t’ Timer TX.DWNR, RX.DWNR<br />

‚Z’, ‚z’, ‚C’, ‚c’ Counter TX.DWNR, RX.DWNR<br />

� Status values (TXSTATUS, RXSTATUS)<br />

Status values Description<br />

0000h Instruction completed<br />

7000h Instruction will not be processed.<br />

80B0h Construction component does not know the record.<br />

80B1h Wrong length in the parameter.<br />

80C3h Memory temporary used.<br />

80C4h Communication error.<br />

8183h Project planning’s not available or service has not been started yet.<br />

8184h Data type or source data range is wrong.<br />

8185h Length exceeds the maximum size of the source data range or the<br />

destination data range is too small.<br />

� Function blocks<br />

o FC 55 (S7<strong>LAN</strong>_SEND)<br />

o FC 56 (S7<strong>LAN</strong>_RECV)<br />

These function blocks are used to send and receive data.<br />

Page 40 Cable and adapter manual © by PI 2008

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