Waters 2998, Руководство оператора

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Diagnostic tests 4-5
The following table describes the PDA detector I/O connections.
Changing the rear panel interface connections
Via the rear panel display, you can open and close certain output connections.
Opening or closing output connections can be useful when you need to start or
stop an injection or troubleshoot system connectivity.
To change PDA detector rear panel interface connections:
1. In the console, select 2998 PDA Detector from the system tree.
2. In the PDA detector information window, click Troubleshoot > Rear
Panel.
3. In the PDA Detector Rear Panel dialog box, locate a signal connection
with an Out label, and then click the red or green LED symbol. The
output signal for the selected signal connection indicates whether it is
opened
or closed .
PDA detector analog-out/event-in connections
Signal connections Description
Analog 1 (Out) Method programmable analog output.
Analog 2 (Out) Method programmable analog output.
Switch 1 (Out) Controls a timed event or threshold level and is a
user-programmable auxiliary output.
Switch 2 (Out) Controls a timed event or threshold level and is a
user-programmable auxiliary output.
Inject Start (In) Activates timed events by triggering the run-time
clock to start.
Lamp Off (In) When the input is triggered, the lamp is turned
off.
Chart Mark (In) Adds a chart mark (at 10% of full scale) to either
or both analog output channels (Signal Out 1 and
Signal Out 2) and is configurable.
Auto Zero (In) Calculates an offset value that, when added to
the sample signal, makes the resulting baseline
signal zero.