FS-8700-122 X30 Profibus DP Master Manual
Page 8 of 14
FieldServer Technologies
1991 Tarob Court Milpitas, California 95035 USA
Web
: www.fieldserver.com
Tel
: (408) 262 2299
Fax
: (408) 262 2269
Toll Free
: (888) 509 1970
4.5
Client Side Map Descriptors
4.5.1
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 (Data_Array_Length-1) as specified in
“Data_Array” section
Function
Function of Client Map Descriptor
Rdbc, Wrbc
4.5.2
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
Profibus_Data_Type Arrangement of buffer data
Byte, Word, Bool, Float
Address
Starting address of buffer in
bytes
0 - 243
Length
Length of Map Descriptor
3
1 - 244 ( BYTE )
1 - 122 ( WORD )
1 - 1952 ( BOOL )
1 - 61 ( FLOAT )
4.5.3
Timing Parameters
Column Title
Function
Legal Values
Scan_Interval
Rate at which data is transferred from FieldServer data arrays to Profibus
Master buffers.
≥0.001s
3
A maximum combined total length of 1536 bytes are permitted for all Map Descriptors accessing Slave devices.
