Chapter 3 Controls and Connectors
20 Lynx II DSA User's Manual - 7096089
PHA SS
PHA Acquisition Start/Stop. Accepts external signals to start/stop data acquisition if
using PHA mode; two software selectable modes (one for Start, Stop, or Start & Stop
modes; the other for Suspend & Resume mode).
SWEEP ADV
MCS Sweep Advance accepts external MCS sweep advance signals; polarity is software
selectable.
SYNC
Synchronization input/output signal connector for multiple DSAs running acquisitions;
signal operation and direction are software selectable.
General Purpose I/O
Three general-purpose input/output connectors are provided. See Test Pulser options in
Auxiliary Counters Settings for option settings.
GP I/0 1
Accepts signals for auxiliary counting into Counter 1 when Test Pulser is disabled.
GP I/O 2
Accepts signals for auxiliary counting into Counter 2 when Test Pulser is disabled.
GP I/O 3
By default, GPIO3 provides an ACQ OUT signal that can be used to drive lamp drivers.
GPIO3 can also be used to receive the Test Pulser signal (if enabled) into the auxiliary
counters.
Outputs
CHGR ADV
Sample Changer Advance output provides a pulse for each sample advance command.
SCA
Provides an output pulse for each incoming event with an energy between the
instrument's upper and lower level discriminator (ULD and LLD) settings.
ICR
Incoming Count Rate connector provides a positive output pulse for each incoming
event above the instrument's threshold setting.
MON OUT
A snapshot image of the internally-shaped energy signal for viewing with an external
oscilloscope. Selection can be changed through the Web Client's Maintenance |
Diagnostics | Monitors option to Off, Slow Shaper, Fast Shaper, and ADC to review
the energy signal. The default is Slow Shaper.
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