Configuring variables
CNT-SVP01C-EN 33
9. If the variable has Tracer Summit as its control source, under Com-
munications Loss Value, click the On or Off option to determine what
value you want to appear as the value if Tracer Summit communica-
tions are lost to the Tracer MP580/581.
10. If the variable has the operator display and service tool as its control
source, under Value, click the On or Off option to determine what
value you want the variable to have.
11. Complete one of the following options:
• Click another variable name in the Name list to edit another vari-
able.
• Click another tab to set up another item.
• Click the Download button to send your changes to the Tracer
MP580/581. (If the Security Logon dialog box appears, log on.)
Click Close to close the Configuration dialog box.
Configuring analog variables
Tracer Summit analog variables 1 through 30 are reserved for use with
the Tracer Summit system. The 120 local analog variables are to be used
as local variables. You can edit the Tracer Summit variables or the local
variables. For each analog variable, specify a name, control source, dis-
play units, numeric format, and communications loss or initial value.
To set up an analog variable:
1. In the Active Device View, click the AVs tab. The status information
for the analog variables appears.
2. Click the Configuration button. The Configuration dialog box appears
with the AVs tab displayed (Figure 25 on page 34).
Note:
The variable value is saved once every 24 hours. If a power loss
occurs, the variable value is set to the last saved value.
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