User Guide

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4.4. Client Side Map Descriptors
4.4.1. 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
above
Data_Array_Offset
Starting location in Data
Array
0 to maximum specified in
“Data Array” section above
Function
Function of Client Map
Descriptor
RDBC, WRBC, WRBX, AWT,
ART
2
4.4.2. 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” above
SysPlus_Data_Type
Specifies a SystemsPlus data
type this mapdesc will use
Refer to Appendix A.1
SysPlus_Alarm_Name A SystemsPlus alarm name
Any four character alarm
name
SysPlus_Cmd
Specifies a SystemsPlus
command this mapdesc will
use
Refer to Appendix A.2
Store_Data_Array_Name
Name of the data array where
data must be stored
Any data array name
Store_Data_Array_Offset
Offset where data must be
stored
0 to maximum offset into
store data array
Par_Data_Array_Name
Name of the data array that
will contain parameters
needed by this mapdesc
Any data array name
Par_Data_Array_Offset
Offset where parameters will
be located
0 to maximum offset into
parameter data array
Address Starting address
0 to value allowed for the
specific mapdesc
Length Length of Map Descriptor
1 to value allowed for the
specific mapdesc
4.4.3. Timing Parameters
Column Title Function Legal Values
Scan_Interval Rate at which data is polled 40.001s
2
The new ART function stands for “Active Read on Trigger” and is used to effect a single data
read per trigger. Please refer to the Map Descriptor examples for using this function.