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Chapter 16 Component Descriptions 241
16.2.9 Logic Out
This is a standard female BNC connector.
0 to +3.3V
DC
programmable logic level output (TTL-compatible.) The output can be
programmed via software as one of the following signals:
• ACQUIRING;
• IMAGE SHIFT;
• LOGIC 1;
• READ OUT;
• SHUTTER;
• WAIT FOR TRIGGER.
REFERENCES:
For detailed information about each of these signals, refer to
Section 5.12, Logic Out Control, on page 84.
When the
Invert LOGIC check box is checked, the output is at a logic low when the action is
occurring.
16.2.10 Mon RF Out [PI-MAX4: 1024i-RF only]
This is a standard female BNC connector. Provides an approximate indicator of the
user-defined RF applied to the photocathode.
16.2.11 Monitor
This is a standard female BNC connector. This TTL signal is used to monitor actual gate
timing.
The TTL logic 1 pulse is delayed ±3 ns with respect to photocathode gating.
NOTE:
Cable delay, ~1.5 ns/ft, is in addition to the delay at the
connector.
16.2.12 Power Connector
7-pin D specialty connector. Connects to the standard PI-MAX4 power supply. See
Figure 16-1.
16.2.13 Ready Out
This is a standard female BNC connector. This normally LOW TTL signal indicates the
camera status. It changes state upon the completion of cleaning cycles prior to an exposure.