TP/TA User Guide 7
OFF/EXT Mode (For TA only)
TA has an extra External Trigger Port that allows an electrical signal to trigger
TA. The Mode Switch must be in OFF/EXT mode to enable external trigger.
In OFF/EXT Mode, the TA will accept an external trigger signal from the External
Trigger Port. The unit will not respond to any changes in the status of the power
tool. When a 5VDC 20mA signal is sent to the TA, it simulates the Mode Switch
moving from OFF to ON. When the 5VDC signal is removed, it simulates the
Mode Switch moving from ON to OFF.
TA External Trigger allows integration of a non-iVAC signal source such as com-
puters, microcontrollers, CNCs, laser engravers, physical property sensors, etc. to
control an iVAC system. Refer to Application Notes on ivacswitch.com for up-to-
date information regarding iVAC integration ideas.
The External Trigger Port is compatible with a 3.5mm mono audio plug, where the
tip is the 5VDC signal and the sleeve is the Ground.
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