Map Descriptor Example - FieldServer FS-8700-104 ControlNet X30 Manual

FS-8700-104_ControlNet_X30 Manual
4.4.3.

Map Descriptor Example.

// Client side Map Descriptors
Map_Descriptors
Map_Descriptor_Name, Data_Array_Name,
Get_Data, Input_Data,
Put_Data, Output_Data,
Read function map
descriptor gets data
from the ControlNet
network and stores it
in the Input_Data
data array.
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
Page 9 of 13
Data_Array_Offset, Function,
0, RDBC,
0. WRBC,
Write function map
descriptor puts
data from the
Output_Data data
array onto the
ControlNet
network.
Node_Name, CNT_Data_Type,
CN5, WORD,
CN5, WORD,
Note the start
address for the
output buffer is
4. Addresses
0-3 are not
available.
Address, Length, Scan_Interval
0, 225, 1s
4, 225, 1s
Note that each address
refers to an individual
local input and output
buffer. Each buffer can
contain up to 450 bytes.