Read address:
Device type:
PLC or OIT internal memory address
Device
address:
This is the starting address that is read from to get the data to
trend.
BIN or BCD
Select binary (BIN) or BCD format
No. of channel:
1 to 16
For each channel, the OIT reads another contiguous 16-bit PLC
register
Scroll control:
Device type:
If Multiple pages is selected, this 16-bit register represents the
position the window is located on the multi-page trend graph. If
the value is 0, then the window is at the foremost or front of the
graph. For each increment of this value, the window moves back
by one plot point.
Device
address:
PLC or OIT internal memory address
BIN or BCD
Select binary (BIN) or BCD format
Hold control:
Device type:
If
Multiple pages
is selected, this coil register is used to enable
the hold function. If the coil is set, then the hold function is
activated.
Device
address:
PLC or OIT internal memory address
3.
Click the
Trend Display
tab to display the Trend Display form.
4.
Use the
Description:
box to enter a title for the Trend Display part. A description is not
necessary but does help you identify the purpose of the part
5.
In the
Channel
pull-down box, select each channel to modify the attributes for the channel:
Function
Range
Description
Color:
Selects the color used for that channel.
Zero:
0
This value is always set to 0. It represents the lowest point on a trend graph for each channel.
Span:
1 to 32767
Selects the range for that channel.
6.
Click
OK
to close the Create Trend Display Object dialog box. The main screen of
EasyBuilder appears with the cursor tied to a rectangular outline of the part you just created at
the upper left corner of the screen. Move the part to the desired location on the window. You
1010-1001a, Rev 02
Bar Graphs, Me ters, and Trends
219
Содержание Silver HMI504T
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