Trend Control Expression

GetPenStatus()

GetPenStatus	Returns the state of the pen.
Function	Command	GetPenStatus("Object Name ", Pen Number)
	Script	n = GetPenStatus("Object Name ", Pen Number)
Description	When the specified pen is visible, the function returns 1. If the pen is invisible, the function returns 0. The Pen Number starts from 0.
Example	Returns the state of the first pen in ‘YTTrend’ Trend. GetPenStatus(“YTTrend”, 0) = n

GetTrendMode()

GetTrendMode	Returns the current Trend mode.
Function	Command	GetTrendMode("Object Name”)
	Script	n = GetTrendMode("Object Name”)
Description	When the specified Trend is in real-time Trend mode, the function returns 0. If the Trend is Historical Trend, the function returns 1.
Example	Returns the current mode of the ‘YTTrend’ Trend. GetPenStatus(“YTTrend”) = n returns 0, because it’s real-time.

NextTrend()

NextTrend	Moves to the next trend display in the Historical Trend.
Subroutine	Command	NextTrend("Object Name ", Movement Mode)
	Script	NextTrend " Object Name ", Movement Mode
Description	Moves the display of the Historical Trend according to the assigned Movement Mode. If the Movement Mode is 0, the display will move to the next sampling time. If the Movement Mode is 1, the display will move to the next frame.
Example	Moves the display to the next sampling time in Historical Trend mode. NextTrend(“YtTrend”, 0)

PrevTrend()

PrevTrend	Moves to the previous trend display in the Historical Trend.
Subroutine	Command	PrevTrend("Object Name", Movement Mode)
	Script	PrevTrend "Object Name", Movement Mode
Description	Moves the display of the Historical Trend according to the assigned Movement Mode. If the Movement Mode is 0, the display will move to the previous sampling time. If the Movement Mode is 1, the display will move to the previous frame.
Example	Moves the display to the previous sampling time in Historical Trend mode. PrevTrend(“YtTrend”, 0)

SetPenStatus()

SetPenStatus	Determines the display of the pen.
Subroutine	Command	SetPenStatus("Object Name", Pen Number, Show/Hide)
	Script	SetPenStatus "Object Name", Pen Number, Show/Hide
Description	Shows (1) or hides (0) the assigned pen. The pen number starts from 0.
Example	Hides the pen number 3 in ‘YtTrend’ SetPenStatus(“YtTrend”, 2, 0)

SetTrendMode()

SetTrendMode	Sets the Trend mode.
Subroutine	Command	SetTrendMode("Object Name ", Trend Mode)
	Script	SetTrendMode " Object Name ", Trend Mode
Description	Sets the Trend mode as real-time Mode (1) or Historical Mode (1).
Example	Sets the ‘YtTrend’ Trend as Historical Trend mode. SetTrendMode(“YtTrend”, 1)

TrendGetPenVal()

TrendGetPenVal	Returns the pen related data to the Trend.
Function	Command	TrendGetPenVal("Object Name ,Pen Number,Value Type)
Function	Script	n = TrendGetPenVal("Object Name",Pen Number,Value Type)
Description	Returns the pen data according to the Value Type. Pen Number 100 represents the first pen of X-axis in XY Trend.
	Value Type	Description
	0	Name of the pen (String)
	1	Comment of the pen (String)
	2	Minimum value of the pen
	3	Maximum value of the pen
	4	Line style of the pen (0: None, 1: Line, 2: Step)
	5	Current value of the pen in real-time Trend.
	6	Current time value of the pen in real-time Trend.
	7	Current value of the pen in Historical Trend.
	8	Current rime value of the pen in Historical Trend.
	9	Minimum value in the current display of Historical Trend.
	10	Time value of the minimum value in the current display of Historical Trend.
	11	Maximum value in the current display of Historical Trend.
	12	Time value of the maximum value in the current display of Historical Trend.
	13	Average value in the current display of Historical Trend.
Example	Returns the maximum value of X-axis in ‘XY’ Trend. TrendGetPenVal("XY", 100, 3) = n

TrendSetPenVal()

TrendSetPenVal	Sets the Pen data.
Subroutine	Command	TrendSetPenVal(“Object Name”, Pen Number, Value Type, Set Value)
Subroutine	Script	TrendSetPenVal “Object Name”, Pen Number, Value Type, Set Value
Description	Sets the pen data according to the Value Type and Set Value. Pen Number 100 represents the first pen of X-axis in XY Trend.
	Value Type	Description
	0	Pen name (String)
	1	Pen comment (String)
	2	Minimum value of the pen
	3	Maximum value of the pen
	4	Line style of the pen (0: None, 1: Line, 2: Step)
Example	Sets the maximum value of X-axis in ‘XY’ Trend as 200. TrendSetPenVal("XY", 100, 3, 200)

ZoomTrend()

ZoomTrend	Zooms in or out on the Historical Trend.
Subroutine	Command	ZoomTrend("Object Name ", Zoom Mode)
Subroutine	Script	ZoomTrend " Object Name ", Zoom Mode
Description	Zooms in or out on the Historical Trend..
	Zoom Mode	Description
	0	Zooms in on the Historical trend to monitor the data in detail.
	1	Zooms out on the Historical trend to monitor the general tendency of data.
Example	Zooms in on the Historical Trend of “Trend”. ZoomTrend(“Trend”, 0)