MicroTrap™ Operations Manual - Edition 4.4
14
BACK PANEL
The back of the MicroTrap™ VOD/Data Recorder has a variety of input and output ports that are described below:
VOD:
BNC connector for the VOD resistance probe.
EXT TRIG:
BNC connector for the trigger wire, if external triggering is used.
TRIG OUT:
BNC connector that produces a voltage signal of 10 volts for 6 seconds when the MicroTrap™ VOD/Data Recorder is triggered. This
signal is used to trigger other instrumentation.
DC IN/OUT:
Used to connect the MicroTrap™ VOD/Data Recorder to the Battery Charger to recharge the internal battery, and to operate the
MicroTrap™ VOD/Data Recorder from AC mains power. The DC IN/OUT port can also be used to power the MicroTrap™ VOD/Data
Recorder from an external 12 VDC battery using the current limiting adapter that is supplied by MREL. It can also be used to supply 10
VDC as an excitation source for other types of gauges. All details and restrictions on use of the DC IN/OUT connector are contained in
Section 3.4 and Section 3.5.
1 2 3 4:
BNC connectors for Channels 1, 2, 3 and 4 of the optional MicroTrap™ VOD/Data Recorder Scope Upgrade. These connectors have no
function unless the MicroTrap™ VOD/Data Recorder Scope Upgrade has been installed.
VOD Connector
EXT TRIG Connector
1 2 3 4 Connectors
DC IN/OUT Connector
TRIG OUT Connector
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