Waters 2475 - Signal Connections

2-12 Setting Up the Detector
Signal connections
Refer to the signal connection location shown on the silk-screened label on the
rear panel of each instrument.
Tip: To meet the regulatory requirements of immunity from external electrical
disturbances, you must install connection covers over the signal connectors.
Lamp On/Off
1
Configurable input to allow an external device to turn
the xenon lamp off and on.
Chart Mark
1
Configurable input to add a chart mark (at 10% of full
scale) to either or both analog output channels (Detector
Out 1 and Detector Out 2).
Auto Zero
1
Configurable input to Auto Zero both channels (Detector
Out 1 and Detector Out 2).
Detector Out 1
2
1-V full-scale analog output signal of channel A (scaled to
the current EUFS setting).
Detector Out 2
2
1-V full-scale analog output signal of channel B (scaled to
the current EUFS setting).
Switch 1 (2) Can be controlled by threshold and timed events.
Switch 2 (2) Can be controlled by threshold and timed events.
1. Inject start, chart mark, Auto Zero, and lamp inputs are configurable. Use the second Con-
figuration screen and set the appropriate parameter to Low (see page 3-25).
2. See page 2-10.
I/O signals for the detector (Continued)
Signal Description