QuadTech Sentry 30 Plus - Page 69

Interface Page 69 of 85
Figure 3-5 illustrates the timing diagram for the Sentry Plus Series instruments under a PASS
condition and a FAIL condition.
Figure 3-5: Sentry Plus Series Timing Diagram
CLOSE
CLOSE
CLOSE
OPEN
OPEN
OPEN
START
UNDER
TEST
PASS
180ms
0.5ms
180ms
PASS CONDITION FAIL CONDITION
CLOSE
OPEN
OPEN
CLOSE
FAIL
RESET
0.5ms
OPEN
CLOSE
INTERLOCK
COM