FieldServer Honeywell Zellweger IR-148 - Manual (Page 8)

FS-8700-102 Honeywell Zellweger IR-148-8_8-Channel Manual Page 8 of 17
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5.3.3 Map Descriptor Example.
If configured according to this exampe, the driver will capture and store Gas value, Alarms, Trouble, Lock and Blank messages for all (8) sensors for Node
DEV1). Refer to Appendix A.1 for detailed information about data storage.
// Client Side Map Descriptors
Map Descriptor
Map_Descriptor_Name , Data_Array_Name , Data_Array_Offset , Function , Node_Name , Length
CMD1 , DA_R1 , 0 , Passive Client , DEV1 , 100
One of the Data Arrays
declared in Section 4
The Data from the
Node (Dev1) will be
stored in this Data
Array.
The Driver stores Data from device
(DEV1) with this memory location
as the starting point and onward,
in Data Array DA_R1. This means that the FieldServer
cannot poll the target device
but monitors the device.
Extracted data from incoming
messages are stored in Data
Array DA_R1
Length forces driver to
reserve memory space for
this number of elements,
starting from memory
location defined as
Data_Array_Offset.
Length must be long enough
to store all data from Node
(Dev1)
This is the logical
name of the target
device having the
parameters
defined in section
5.2.