Jadak PHOTO RESEARCH SpectraScan PR-655, Руководство пользователя

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PR-655/670 User Manual
8
2. E
XTERNAL
T
RIGGER
C
ONNECTOR
The PR-655/670 is equipped with a 6 pin mini-din connector that can be utilized for externally triggering a
measurement, and subsequently sending a signal (simple DC signal or pulse) to a source capable of being
externally triggered - such as a xenon strobe lamp.
FIGURE 9 - EXTERNAL TRIGGER PIN-OUT
The pin designations for the connector are:
PIN # NAME FUNCTION
1 VDD 5V @ 25mA Max.
2 GND Ground
3 IN Trigger Input – Contact Closure,
4 SPARE N/C
5 OUT + Trigger Output high side
6 OUT - Trigger Output low side
TABLE 4 - PR-655/670 EXTERNAL TRIGGER PIN OUT
The following examples show sample driving circuits for the external trigger input and output.