Instruction Manual
i.LON 100 Internet Server Programmer’s Reference 
Error Code  Error Message 
0 No Error 
1  Unknown function call. 
2  Parameter error. For example, the input you supplied to the function does not 
contain valid data, or no data was supplied to the function. 
3 XML/Parser Error. 
4 Tag missing. 
5 Index missing 
6  Index not found 
7 Index invalid 
The index number you supplied to the function is greater than the maximum or less 
than the minimum allowed by the application. The allowable range of index 
numbers in the i.LON 100 is –32,768-32,767. 
8  Can’t create. This error may occur when you attempt to create a data point. 
9  Can’t delete. This error may occur when you attempt to delete a data point. 
10  Can’t set. This error may occur when attempting to modify the configuration of an 
existing item in the i.LON 100. For example, when attempting to write to the 
configuration of a data point. 
11 Format Error 
12 Command failed 
13  The data point name referenced in the call to the function does not use the supplied 
index number. 
14  Data point name not found in the i.LON 100 Data Server. 
15 No Data 
16  Field name not found. This will occur when attempting to read, write or set a data 
point that is structure, and you reference a structure field that does not exist. 
2.4  Writing SOAP Applications 
The majority of the SOAP functions and XML files described in this document will be useful 
to those who plan to use the SOAP/XML interface to configure the various applications of the 
i.LON 100. To begin learning about the SOAP functions and XML files you can use to do so, 
see Chapter 4, i.LON 100 Applications and the SOAP/XML Interface. 
However, the SOAP/XML interface for the i.LON 100 also includes functions which allow you 
to write applications to monitor and control the data points you have created for your control 
network with L
ONMAKER and the i.LON 100 Configuration Software. Applications like these 
may be useful to anyone using the i.LON 100, including those who will only be using 
L
ONMAKER and the i.LON 100 Configuration Software to configure the i.LON 100’s 
applications. For more information on these functions, see Chapter 3, Monitoring and 
Controlling Data Points with the SOAP/XML Interface.
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