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Temp
7.5 Laser Switching
Function:
Signal:
Terminal:
The FTC3 input can also be used as an external trigger to switch the laser (only available for selected
sensing head models). A transition at the input from logical high level toward logical low level will
switch the laser. All sensing heads are effected by the FTC3 input at the same time.
MI3
Figure 30: FTC3 for Holding the Output Temperature
Laser switching on/off
digital low/high
FTC3, GND
Figure 31: Wiring of FTC3 as Laser Switching
Rev. G Nov/2015
object temperature
output temperature
Inputs
Trigger
Time
47
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Questions and answers
I am currently installing 4 modules, each with 2 of the Raytek MI3 units. 7 of the units arrived with the normal display (Bottom Unit in photo), but 1 has only a full white block in the display. Is this indicative of a failed unit, or would this require external adjustments. These units always work when received, so I am unfamiliar with the required troubleshooting.