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FS-8700-24 ControlNet
Driver Manual
4.3.4.
Unscheduled Map Descriptor Example
The following Map Descriptor will read data from a PLC5.
//
Server Side Map Descriptors
Map Descriptors
Map_Descriptor_Name,
Data_Array_Name,
A1,
DA_AI3,
Active Map Descriptor
polls the PLC regularly
(change to WRBC to write)
The following Map Descriptor will send data to the card to allow other nodes to read the data contained in the FieldServer's Data
Array.
//
Server Side Map Descriptors
Map Descriptors
Map_Descriptor_Name,
Data_Array_Name,
A1,
DA_AI3,
Active Map Descriptor
transfers the data to or
from the card (change to
RDBC to read data
written by other nodes)
FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web:www.fieldServer.com
Tel: (408) 262-2299 Fax: (408) 262-9042 Toll_Free: 888-509-1970 email: support@fieldServer.com
Data_Array_Offset,
Function,
0,
RDBC,
Remote Node
name of the PLC
PLC 5 file number to
to poll
read (N7:33)
Data_Array_Offset,
Function,
0,
WRBC,
Node name whose MacId
matches the
System_Station_Address
Page 10 of 12
Node_Name,
Block_Number,
PLC5,
7,
Offset into the file
(N7:33)
Node_Name,
Block_Number,
Local,
7,
PLC 5 emulated file
Offset into the file
number (7-39)
(N7:125)
PCCC_Type,
Address,
Length
SINT,
33,
5
PCCC_Type,
Address,
Length
SINT,
125,
5
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