User's Manual

Figure 54: IO Module log file
Figure 54: IO Module log file on page 157 shows the contents of a log file for the IO module.
The subsequent XML strings are the result of pressing a button on the DI module, module 02,
contact 01. As result of pressing this button, contact 01 is activated on the Digital Output
module 03 for three seconds.
The following is an analysis of the first line in
Figure 54: IO Module log file on page 157:
• 18/11/2002 11:53:04 -
The date and time
• O:TCP
This string indicates message direction and protocol. In this case an outgoing XML string
using TCP/IP. Outgoing means that the information goes from this module to another
module (generally the eKERNEL). If the message is incoming into the module, the
following is displayed: I:TCP.
• <xml> ...... </xml>
These tags enclose xml content. <xml> marks the start, while <xml> marks the end.
• <msgrqs> .... </msgrqs>
This tag indicates that this is a message request. If the line is <msgrpy> .... </msgrpy>,
the xml string is a reply to a previous request.
• <type>DI</type>
This tag indicates the type of message, which indicates that the message was generated
by the Digital Input contact.
• <module>02</module>
Checking diagnostics
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