Instruction manual

FS-8707-11 Convia XML Manual Page 7 of 16
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Example
// Client Side Nodes
Nodes
Node_Name
, Node_ID,
, Protocol
, Connection
Gateway_1
, 1
, XML_Convia
, N1
5.3 Client Side Map Descriptors
5.3.1 FieldServer Related Map Descriptor Parameters
Column Title
Function
Legal Values
Map_Descriptor_Name
Name of this Map Descriptor
Up to 32 alphanumeric characters
Data_Array_Name
Name of Data Array where data is to be
stored in the FieldServer
One of the Data Array names from Data
Array section.
Data_Array_Offset
Starting location in Data Array
0 to (Data_Array_Length-1) as specified in
Data Array section
Function
Function of Client Map Descriptor
RDBC, Passive_Client
5.3.2 Driver Related Map Descriptor Parameters
Column Title
Function
Legal Values
Node_Name
Name of Node to fetch data from
One of the Node names specified in Client Node
Descriptor.
Command
Specify the command method used to
fetch the XML data
HTTP-GET
XML-URL
Specifies an actual “file” to fetch from
the remote server device.
Any valid string. Refer to Appendix A.2 for more
information.
Attribute
Specify the XML Attribute to read
Refer to Appendix A.3.2 for a list of valid
attributes.
Search_Attribute
Specify the Attribute to be used to
identify the XML entry.
Refer to Appendix A.3.2 for a list of valid
attributes.
Search_Value
Used in conjunction with the
Search_Attribute to identify an XML
entry.
Any valid string defined by the Device for the
Search_Attribute used.
Write_Command
When a write-thru occurs on the
Map_Descriptor, the specified
Write_Command string is used to
perform the write.
A command string enclosed in “”. Refer to
Appendix A.1 for more information.
5.3.3 Timing Parameters
Column Title
Function
Legal Values
Scan_Interval
Rate at which data is polled
≥0.001s