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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. 

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. 
 

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. 

 

 

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