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FS -8700-02 Modbus Plus Driver Manual
FieldServer Technologies 1991 Tarob Court, Milpitas, California 95035 (408) 262-2299 fax: (408) 262-9042
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Page 4
2.2.4 Client Side Map Descriptors
Section Title
Map_Descriptors
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
Node_Name Name of Node to fetch data
from
One of the node
names specified in
“Client Node
Descriptor” above
Address Starting address of read block 40001, 30001, etc
Length Number of items to read 1 - 125
Data_Array_Low_Scale* Scaling zero in Data Array -32767 to 32767,
default 0
Data_Array_High_Scale* Scaling max in Data Array -32767 to 32767,
default 100
Node_Low_Scale* Scaling zero in Connected
Node
-32767 to 32767,
default 0
Node_High_Scale* Scaling max in Connected
Node
-32767 to 32767,
default 100