Waters ACQUITY UPC2, Overview And Maintenance Manual, Page: 30 / 84

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I/O signal connector
The detector’s rear panel includes a removable connector that holds the screw
terminals for I/O signals. This connector is keyed so that it can receive a
signal cable inserted only one way.
PDA I/O signal connector:
Connecting to the electricity source
The ACQUITY UPC
2
PDA detector requires a separate, grounded electricity
source. The ground connection in the electrical outlet must be common and
connected near the system.
ACQUITY UPC
2
PDA detector analog/event connections:
Signal connections Description
Inject Start Start injection
Event Out Output switch to trigger external devices
Analog Out Analog chart output
Warning:
To avoid electrical shock, observe these precautions:
• Use power cord SVT-type in the United States and HAR-type (or
better) in Europe. For other countries, contact your local Waters
distributor.
• Power-off and unplug the detector before performing any
maintenance on the instrument.
• Connect all components of the ACQUITY UPC
2
system to a common
ground.
Inject Start
Event Out
Analog Out
1
2
3
4
5
6 +
–
+
–
+
–