RayTek 54301 28MID

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