Server side map descriptors, Fieldserver related map descriptor parameters, Driver related map descriptor parameters – FieldServer FS-8704-07 User Manual
Page 11
FS-8704-07 Allen Bradley PCCC (TCP/IP) Driver Manual
Page 11 of 15
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 email: [email protected]
6.3
Server Side Map Descriptors
6.3.1 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
Section 4.
Data_Array_Offset
Starting location in Data Array
0 to (Data_Array_Length -1) as specified
in Section 4
Function
Function of Client Map Descriptor
Passive
6.3.2 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 Section 6.2
File_Type
File type in PLC
N, B, F, I, O, S
5
File_Number
File Number in PLC
0-65535
6
Address
Starting address of read block
0 - 255
Data_Array_Low_Scale*
Scaling zero in Data Array
-32767 to 32767, 0
Data_Array_High_Scale* Scaling max in Data Array
-32767 to 32767, 100
Node_Low_Scale*
Scaling zero in Connected Node
-32767 to 32767, 0
Node_High_Scale*
Scaling max in Connected Node
-32767 to 32767, 100
5
Not all PLC’s can support all File_Types. Refer to DFS for further information.
6
Other device might not be supporting the full range, e.g. SLC5 supports only 0-255 and latest PLC5 till now supports only 0-1999