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Siemens
TIWAY
I
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4.4.4.
Reading TIWAY data map descriptor examples
4.4.4.1.
Reading data from contiguous PLC data memory locations
Map_Descriptor_Name, Data_Array_Name, Data_Array_Offset, Function, Node_name, TIWAY_Data_Type, Address, Length,
C01_RAW16_PLC01, RAW16_Data,
0, RDBC,
PLC_01,
IE_Ladder,
0,
10,
Scan_Interval
0s
The above map descriptor will continuously read 10 data elements starting from address 0 of type “IE_Ladder” from
PLC_01. The data will be stored in the data array called “RAW16_Data” from an offset of 0.
4.4.4.2.
Reading data from random PLC data memory locations
Map_Descriptor_Name, Data_Array_Name, Data_Array_Offset, Function, Node_name, TIWAY_Data_Type, TIWAY_Address_List, Length,
C02_RAW16_PLC01, RAW16_Data,
10,
RDBC, PLC_01, Variable,
5
9,
2,
Scan_Interval
0s
The above map descriptor will continuously read 2 data elements from address 5 and 9 of type “Variable” from
PLC_01. The data will be stored in the data array called “RAW16_Data” from an offset of 10. The data will be
stored at offsets 10 and 11.
4.4.4.3.
Reading Drum_Count_Preset data from contiguous PLC data memory locations
Map_Descriptor_Name, Data_Array_Name, Data_Array_Offset, Function, Node_name, TIWAY_Data_Type, Address, Length,
C08_RAW16_PLC01, RAW16_Data,
70,
RDBC, PLC_01, Drum_Count_Preset,
0,
5,
