FieldServer FS-8700-66 Driver Related Map Descriptor Parameters, Timing Parameters, Cpl, Rw

Page 11 of 29FS-8700-66_GE-SNP Manual Page 11 of 29

4.4.2.Driver Related Map Descriptor Parameters

Column		Function		Legal Values
Title
				One	of	the	Node
Node_Name	Name of Node to fetch data from			names		specified in
				“Client			Node
				Descriptor” above
				Discrete Inputs (%I)
				Discrete Outputs (%Q)
				Discrete		Temporaries
				(%T)
				Discrete		Internals
				(%M)
				Genius		Global	Data
Data_Type		Data type		(%G)
			Analog Inputs (%AI)
			Analog			Outputs
				(%AQ)
				Registers (%R)
				%SA Discrete
				%SB Discrete
				%SC Discrete
				%S Discrete (%S)
Length		Length of Map Descriptor. Ensure that the	1-1000
		length does not exceed the table in the PLC
		Starting address of read block / write block. The	1 , 2 , 3
Address		1st element of each Data type Table is referred		Positive			whole
		to as address one.		numbers
		Use to override the default format for obtaining
		data. Bit tables are by default read by reading
		whole bytes at a time (If the Length is 10 then		Bit, Byte
		10 bytes of data are read and placed in 10 Data
Format*	Array locations)			The	format for		%AI,
				%AQ and %R cannot
		If you wish to read bits instead then use this		be changed.
		parameter. (If the Length is 10 then 10 bits are
		read and each bit is stored in its own location.)
		This parameter is only specified when you
		create a write Map Descriptor to change the
GE_Func*		privilege level.		CPL, RW
		If it is not specified the driver assumes the
		default (RW – Read/Write).

4.4.3.Timing Parameters

Column Title	Function	Legal Values
Scan_Interval	Rate at which data is polled	≥0.1s

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