FieldServer FS-8700-128 Driver Related Map Descriptor Parameters, Timing Parameters

FS-8700-128 Safetran SCS-128 Manual Page 8 of 15

4.4.Client Side Map Descriptors

4.4.1.FieldServer Related Map Descriptor Parameters

Column Title	Function		Legal Values
Map_Descriptor_Name	Name of this Map Descriptor	Up	to	32	alphanumeric
		characters
Data_Array_Name	Name of Data Array where data	One	of the	Data	Array names
	is to be stored in the FieldServer	from “Data Array” section above
Data_Array_Offset	Starting location in Data Array	0 to maximum specified in “Data
		Array” section above
Function	Function of Client Map Descriptor	Rdbc, Wrbc, Wrbx

4.4.2.		Driver Related Map Descriptor Parameters
	Column Title			Function	Legal Values
					One	of the Node
	Node_Name		Name of Node to fetch data from		names	specified	in
					“Client	Node
					Descriptor” above
				Specify Poll_type	For	Read	Map
					Descriptors :
				‘Recall’ or 2 always poll for current indications
					Recall, 2, Poll, 1,
				‘Poll’ or 1 request for indications if changed
	SCS128_Poll_Type*				For	Write	Map
				‘Controls’ or 3 writes controls to target device	Descriptors :
				‘Cutoff’ or 5 or 6 send ‘cutoff’ command to
					Controls, 3
				target device	Cutoff, 5, 6
				‘Flag’ - each byte of Indication statuses will be
				stored in 8 consecutive locations in the Data
				Array. On write; one Control byte will be
				composed from 8 consecutive locations.
				‘Byte’- each byte of Indication statuses will be
				stored as an 8 Bit Integer at the specified
				location. On Write; one Control byte will be
				composed from a single location.	Flag, Byte, Register,
	Data_Type*			‘Register’ - two bytes of Indication statuses will
					32-Bit_Reg
				be stored as a 16 Bit integer at the specified
				location. On Write; two Control bytes will be
				composed from a single location.
				’32-Bit_Reg’ four bytes of Indication statuses
				will be stored as 32 Bit integers at the
				specified location. On Write, four Control bytes
				will be composed from a single location.
				Refer to Appendix A
				Length of Map Descriptor	Flag: 8-256, 16
					Byte: 1-32, 2
	Length*			Number of indications to store or number of
					Register: 1-16, 1
				controls to write as per Data_Type.	32-Bit_Reg: 1-8, 1

4.4.3.Timing Parameters

Column Title	Function	Legal Values
Scan_Interval	Rate at which data is polled	≥0.001s

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