Gossen MAVOSPEC - Manual (Page 18)

GOSSEN Foto- und Lichtmesstechnik GmbH 18
3 Trigger Input / Output
MAVOSPEC is equipped with input and output signal lines dedicated for starting
measurement from external device and triggering external devices when measurement
is started.
Trigger In line - high state on this line causes the same effect as pressing button on the
device.
Trigger Out line - at the measurement start MAVOSPEC sets high state on this line.
The high state is maintained throughout the period of measurement.
Trigger lines state:
Trigger Technical Data
Connector Minijack 3.5mm, stereo, 3-pin
Trigger in line Input line, type open collector with galvanic
isolation. Voltage 4.5 ... 9 V. Min current 1 mA
Trigger in signal Recommended high state >= 50 µs,
Trigger out line Output line, type open collector with galvanic
isolation. Voltage 3 ... 9 V.
Recommended current <= 1 mA