FieldServer HCS-R, FS-8700-127 Map Descriptor Example Read Data, CMDDIHCSR01 Dacurrent Rdbc

FS-8700-127 Hanning & Kahl HCS-R Manual Page 9 of 17

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	Starting	offset
the Data Array
		in Data	Array
defined	in

Data_Array	to hold data
section to store
data

RDBC	will cause		One	of	the			How often	(in
read	poll	and	Nodes declared			Maximum		seconds) to poll
Passive_Client		is	in Client Node					target device.
used to	store	data	Section.		This	number	of	Irrelevant	if
returned		by	Node	will	be	placeholders for		Function	is
response.			polled		if	data storage.		Passive_Client
			Function		is
			RDBC

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