FS-8700-31 Siemens TIWAY I Page 12 of 23
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2, 33 49, 0s
The above map descriptor will continuously write data of type “Drum_Count_Preset” to 2 PLC data memory
addresses. The data to write will be collected from the data array “RAW16_Data” from an offset of 70 and 71. The
Preset Steps associated with the addresses are (address 5):33 and (address 9):49.
4.4.6. TIWAY host adapter command map descriptor examples
A number of map descriptors that send specific host adapter commands are available mainly for testing purposes
and should not be used under normal circumstances.
4.4.6.1. Read Secondary Log
Returns a list of secondary PLC stations addresses that are connected.
Map_Descriptor_Name, Data_Array_Name, Data_Array_Offset, Function, Node_name, TIWAY_Host_Adapter_Cmd, Length,
C37_READ_SEC_LOG, Secondary_Log, 0, RDBC, PLC_01, Read_Secondary_Log, 254,
Scan_Interval
0s
The above map descriptor will continuously execute the indicated host adapter command and will store the list of
connected secondary PLCs in the data array “Secondary Log” from an offset of 0. Offset 0 will correspond to
secondary address 1, offset 1 to secondary 2 up to offset 253 corresponding to secondary address 254.
4.4.6.2. Report HIU Configuration
Reports the HIU Configuration option values that was used to configure the HIU.
Map_Descriptor_Name, Data_Array_Name, Data_Array_Offset, Function, Node_name, TIWAY_Host_Adapter_Cmd, Length,
C38_REP_HIU_CONFIG, HIU_Config, 0, RDBC, PLC_01, Report_HIU_Config, 5,
Scan_Interval
0s
