Pelco C1553M-B Benutzerhandbuch
C1553M-B (4/05)
191
CURRENT STATUS: VIEW RUN-TIME VALUES OF VARIABLES
When the server is running, you can check the value of read property variables using the Current Status option.
1. Right-click the VMX300(-E) icon in the Windows server tray and select Current Status from the pop-up menu. The Current Status window
opens. Variable names are listed alphabetically. Scroll to find the variables whose value you want to find out.
Figure 208. Current Status Window
2. Click Close. The Current Status window closes.
EXPRESSIONS
Expressions are used to detect a condition that triggers an action. For example, when the expression associated with a timer becomes true, the
timer starts. Similarly, when the expression associated with an alarm or event becomes true, recipients are notified and the alarm/event’s script
is executed. Expressions are also used in IF statements.
timer starts. Similarly, when the expression associated with an alarm or event becomes true, recipients are notified and the alarm/event’s script
is executed. Expressions are also used in IF statements.
Syntax: A simple expression compares an object property to a value. Complex expressions are made up of one or more simple expressions
connected by logical operators and optionally containing parentheses.
connected by logical operators and optionally containing parentheses.
Table AL. Comparison Operators
NOTE: The status given in the Current Status window is live. If a variable changes value while the window is open, the change will be
reflected in the window.
reflected in the window.
OPERATOR MEANING
EXAMPLE
=
equals
Door_Alarm.Value = True
~
not equal to
DVR2.CommStatus ~ DVR2.Online
>
greater than
Date.DayOfMonth > 15
<
less than
Date.Hour < 12