FieldServer Kahl HCS-R - Manual (Page 9)

FS-8700-127 Hanning & Kahl HCS-R Manual Page 9 of 17
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5.4 Map Descriptor Example: Read Data
RDBC Map Descriptors are used to poll for data, Passive_Client Map Descriptors are used to store the data for various loops. Refer to Appendix A.1 for data
storage format.
Map_Descriptors
Map_Descriptor_Name , Data_Array_Name , Data_Array_Offset , Function , Node_name , Length , Scan_Interval
CMD_DI_HCSR_01 , DA_CURRENT , 0 , RDBC , Node_A , 22 , 5
Map_Descriptors
Map_Descriptor_Name Data_Array_Name Data_Array_Offset Function Node_name Length HCSR_Onfrom HCSR_Loop
CMD_FromLoop_01 DI_FromLoop01 0 Passive_Client Node_A 21 From 1
CMD_OnLoop_01 DI_OnLoop01 0 Passive_Client Node_A 21 On 1
CMD_FromLoop_02 DI_FromLoop02 0 Passive_Client Node_A 21 From 2
CMD_OnLoop_02 DI_OnLoop02 0 Passive_Client Node_A 21 On 2
CMD_FromLoop_03 DI_FromLoop03 0 Passive_Client Node_A 21 From 3
CMD_OnLoop_03 DI_OnLoop03 0 Passive_Client Node_A 21 On 3
CMD_FromLoop_4 DI_FromLoop04 0 Passive_Client Node_A 21 From 4
CMD_OnLoop_04 DI_OnLoop04 0 Passive_Client Node_A 21 On 4
The CMD_DI Map Descriptor polls
HCS-R Node_A every 5 seconds. Function must be RDBC to
enable polling.
Data Array name
defined in
Section 4
Starting offset
in Data Array to
hold data
Maximum number of
placeholders for data storage.
Passive_Client Map
Descriptors are used to
store data returned by
response.