User Guide

FS-8700-104_ControlNet_X30 Manual Page 8 of 13
FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web:www.fieldserver.com
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4.4. Server Side Map Descriptors
4.4.1. FieldServer Specific 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 Server Map
Descriptor
RDBC -Reads data from the
local input buffer
WRBC -Writes data to the
local output buffer
4.4.2. Driver Specific Map Descriptor Parameters
Column Title Function Legal Values
Node_Name Name of Node
One of the node names
specified in “Server Node
Descriptor” above
CNT_Data_Type Data Type of local buffer
BYTE, WORD, DWORD,
BOOL
Address Byte offset into local buffer
RDBC: 0 – 449
WRBC: 4 – 453
Length
Number of CNT_Data_Type
items in local buffer
BYTE: 1 – 450
WORD: 1 – 225
DWORD: 1 – 112
BOOL: 1 – 3600