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Product Description XI/ON - Eaton Automation

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<strong>XI</strong>/<strong>ON</strong>: Gateways for Modbus TCP 6 Application example: Modbus TCP<br />

6.5 Evaluation of module diagnostics<br />

The diagnostic data of the <strong>XI</strong>/<strong>ON</strong> modules can be found in registers<br />

0×A000 to 0×A400. For each module in the station, 64 bytes are<br />

reserved for diagnosis information.<br />

In addition to that, a group diagnosis (max. 32 modules per station)<br />

is displayed. It can be read out either via the packed process data<br />

or separately via registers 0×1018 to 0×101A.<br />

The group diagnosis contains one diagnostic bit for each module in<br />

the station, which shows, if the respective module sends a diagnostic<br />

message or not. The meaning of this diagnostic bit has to be<br />

read out from the diagnostic data of the module, registers 0×A000<br />

to 0×A400:<br />

M001973-01, 07/2007 145

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