Varec 8315 Series manual Parameter Data Formats, Common Parameters, Data Format Description

8300 8315 L&J Tankway Software Description

Note! ViewRTU inserts default values for the Config parameters when the point is first defined. It is usually only necessary to fill in a few configuration parameters, such as channel numbers, to configure references and to configure links to other points.

4.3.2.2Parameter Data Formats

Data is stored in the TankGate as one of the following formats:

Data Format	Description
Byte	8-bit value (-127 to 128)
Unsigned Byte	8-bit value (0 to 255)
Coded	Unsigned Integer representing a digital state such as ‘On,’
	‘Off,’ ‘Open,’ ‘Closed,’ etc.
Integer	16-bit value (-32766 to 32767)
Unsigned Integer	16-bit value (0 to 65535)
IEEE floating point	32-bit value with mantissa and exponent
Time	Unsigned Long Integer representing the number of
	milliseconds since Jan. 1, 1970.
Tag	ASCII character strings, variable in length. Used for Tag and
	Description parameters
Point Reference	Reference to a point parameter. Format is
	TYPE.NUMBER.PARAM where
	TYPE is AI, DI, DO, etc.
	NUMBER is point number, 0-255
	PARAM is the parameter of interest, such as Value or
	Command.
	example: AI.00.Value
Unsigned Long Integer	32-bit value (0 to 4,294,967,295)
Pointer	32-bit value representing a pointer to another parameter or
	memory location.
Long Integer	32-bit value
Integer (Hex format)	Integer in Hex (0x0000 to 0xFFFF)
Time HH:MM:SS	Unsigned Long Integer representing the number of
	milliseconds since midnight.
Time MM/DD/YY	Unsigned Long Integer representing the number of
	milliseconds since Jan. 1, 1970.
Unsigned Long Integer (Hex	Unsigned Long Integer in Hex (0x00000000 to 0xFFFFFFFF)
format)

4.3.2.3Common Parameters

The following parameters are found in almost all point types. These parameters are described below:

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