RayTek 54301 - Manual (Page 36)

Installation
5.4.4 Trigger and Hold Function
The FTC3 input can be used as external trigger in conjunction with
the software trigger mode setting “Trigger” or “Hold”.
External switch:
- contact relay,
- transistor,
- TTL gate, …
Figure 17: Wiring of FTC3 as External Input
Trigger: A logical low signal at the input FTC3 will reset the peak or
valley hold function. As long as the input is kept at logical low level
the software will transfer the actual object temperatures toward the
output. At the next logical high level, the hold function will be
restarted.
Temp
object temperature
output temperature
FTC3
Figure 18: FTC3 for Resetting the Peak Hold Function
Time
28 MID