FieldServer FS-8700-31 用户手册

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页码 26
FS-8700-31 
Siemens 
TIWAY 
           Page 
10 
of 
23 
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The above map descriptor will continuously read the three status values from PLC_01. The status values are 
defined as follows and will be stored in the data array contiguously from an offset of zero: 
 
 
Status element 1 (DD) : Operational Status 
 
Status element 2 (EE) : Auxiliary power source status 
 
Status element 3 (FF) : NIM Operational Status 
 
 
Please refer to the TIWAY systems manual for operational values and their meanings. 
 
 
4.4.5. 
Writing TIWAY data map descriptor examples 
4.4.5.1. 
Writing data to contiguous PLC data memory locations 
 
Map_Descriptor_Name, Data_Array_Name,  Data_Array_Offset,  Function, Node_name, TIWAY_Data_Type, Address, Length, 
C12_RAW8_PLC07, RAW8_Data, 
20, 
WRBC, PLC_07,  Control_Register,  0, 
10, 
 
Scan_Interval 
0s 
 
The above map descriptor will continuously write data of type “Control_Register” to 10 PLC data memory 
addresses. The data to write will be collected from the data array “RAW8_Data” from an offset of 20. 
 
4.4.5.2. 
Writing data to random PLC data memory locations 
Map_Descriptor_Name, Data_Array_Name, Data_Array_Offset, Function, Node_name, TIWAY_Data_Type, TIWAY_Address_List, Length, 
C17_FLOAT_PLC254, FLOAT_Data, 
0, 
WRBC,  PLC_254,  Loop_Gain, 
9, 
2, 
 
Scan_Interval 
0s