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FS-8700-41 Simplex 4100 Driver Manual Page 17 of 58
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4.5.5. Map Descriptor Example 1. - Read Point Status
This Map Descriptor can be used to poll for the status of a particular point. When the response is obtained the driver sets the value
of one Data Array element to a number indicating the point’s status. The values are described in Appendix A.4. You need one such
Map Descriptor for every point whose status you wish to poll. Notes in Appendix A.13 provide more information
Map_Descriptor_Name, Data_Array_Name, Data_Array_Offset, Function, Node_name Length Scan_Interval, sim4100_func sim4100_card, sim4100_point, sim4100_sub
A1, DA_AI3, 0, RDBC, Node_A, 1, 5, Clist, 1, 2, 3
The Data
extracted from
the device is
placed in this
driver
independent
data array.
This identifier
must be the same
as the node name
used to identify
the port connected
to the Simplex
device being
described in this
map Descriptor.
Ignored for the
Simplex protocol
unless the
sim4100_func=ackal
l, clearall,
Simplex Device: Card
Perform the 'Computer
List Status' Function to
(in this case) read the
current point status of
the point specified by
card-point-sub. This
function returns fire,
supervisory, trouble....
data. The format of the
returned data is
described in Appendix A
The data is
written into the
array starting at
this position. A
value of zero is
equivalent to the
first position.
Simplex Device: Point
Simplex Device: Sub
-
Point