User Guide

FS-8700-127 Hanning & Kahl HCS-R Manual Page 9 of 17
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4.5. Map Descriptor Example: Read Data
The CMD_DI Map Descriptor polls HCS-R Node_A (described in Client Side Node Descriptors sections) every 5 seconds.
The other Map Descriptors are used to store the data for various loops. Refer to Appendix A 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
Name one of the Data Array defined in Data_Array section to store data
Starting offset in Data Array to hold data
One of the Nodes declared in Client Node Section. This Node will be polled if Function is
RDBC
How often (in seconds) to poll target device. Irrelevant if Function is Passive_Client
Maximum number of placeholders for data storage.
RDBC will cause read poll and Passive_Client is used to store data returned by response.