User Guide

FS-8700-15 Modbus Daniels Manual Page 5 of 7
4.4. Client Side Map Descriptors
4.4.1. FieldServer Related Map Descriptor Parameters
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, WRBC, WRBX
4.4.2. Driver Related Map Descriptor Parameters
Section Title
Map Descriptors
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
Data_Type* Data type Register, Coil, AI, DI
Length
Length of Map
Descriptor
1-125 (Register, AI)
1-800 (Coil, DI)
Address
Starting address of
read block
0000 – 6999 ( Coil )
7000 – 7999 ( Float )
10000 ( DI )
30000 ( AI )
40000 – 49999 ( Register)
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
4.4.3. Timing Parameters
Section Title
Map Descriptors
Column Title Function Legal Values
Scan_Interval Rate at which data is
polled
≥0.001s
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