Yokogawa YVP20S - Manual (Page 151)

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<Toc> <Ind> <14. DIAGNOSTIC SERVICES>
14.3.9 Signature Graphs
After signature measurement completes, the signature graphs dialog will be shown. Based
on the user’s selection, the signature graphs dialog can display up to four types of signature
graphs. Because extended actuator signature and high resolution actuator are share
database, their graphs are displayed in the same graph window.
Even when current selected device is OFFLINE or YVP whose device revision is 2, the
application can show graphs which are stored in PC. At Signature Selection screen, make
selections and then click Show. The graph window will open.
Figure 14.21 Signature Graphs
To edit a signature graph, click Edit on the menu bar, and then select signature graph type
to be edited, A Pop-up menu will be shown at the center of selected graph area. Or move
the cursor to the area of signature graph to be edited and make a right click of the mouse.
A pop-up menu will be shown for editing operation.
• Load Signature Graph(s)
To load a group of graphs select Load from File menu and select a signature file to open. If
current graph window is not empty, user will be prompted to clear old graph or not. By
loading data into an existing graph, comparing curves will be shown in the graph.
To Load a specified type of graph, move the cursor to this graph, right-click, select Load ...
Data from a pop-up menu and then select the data to be loaded. The data can be loaded
from the current data base in YVP or File. Record or Baseline can also be selected if
signature type is standard actuator signature.
The following lists extensions of data file for signature function.
STD: Standard Actuator Signature
EXT: Extended Actuator Signature and High Resolution Actuator Signature
STP: Step Response Test
POS: Positioner Signature
SIG: Multiple Graphs or Legacy Files