076
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DATALOGGER
NI2400
NI2400
077
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DATALOGGER
NI2400
NI2400
an(1.A)
an(2.A)
an(1.A) XOR an(2.A)
F
F
F
F
V
V
V
F
V
V
V
F
an(1.A)
an(2.A)
an(1.A) AND an(2.A)
F
F
F
F
V
F
V
F
F
V
V
F
an(1.A)
an(2.A)
an(1.A) OR an(2.A)
F
F
F
F
V
V
V
F
V
V
V
V
an(1.A)
NOT an(1.A)
F
V
V
F
Virtual Channel Configuration
By clicking “config” in the Virtual Channel row (Figure 23) the user can edit Identification (channel
name) and alarm properties.
Figure 69
Alarm configuration is the same for all channel types, with High, Low and Derivative
Thresholds. VC alarm with Logical Operation is present, as a Virtual Channel alarm can be
used in Virtual Channels Logical Alarms.
Common Errors and Warnings
In order to write Virtual Channel’s formula correctly, you should avoid typing the whole for-
mula in the dialog box prompted by the system.
Figure 70
Figure 71
WRONG
3
3
