Timing Diagram - Chroma 19572 User Manual

4.13 Timing Diagram

/RESET
/START
/UNDER TEST
/PASS
/FAIL
Time Limit
T1 > 20mS
< 200mS
T2
< 300mS
T3 -
T4 > 5mS
T5 -
>160mS
T6
>250mS
T2 T3
T1 STEP 1
Timing diagram – take an example by two test steps
The time of external trigger signal/START & /RESET to be
remained which needs larger than 20mS.
The time of external trigger signal /START to /UNDER TEST
signal to be cleared, it will be smaller than 200mS. The previous
STEP test result /PASS signal status has been cleared in
advance.
The time of external trigger signal /START to /UNDER TEST
signal to be cleared, it will be smaller than 300mS. The previous
STEP test result /PASS signal status hasn't been cleared in
advance.
Test needed time of various test steps.
/Pass signal sent larger than 5mS, /UNDER TEST signal is end.
The equipment used time as testing, the signal is simultaneous
with Danger lamp on panel.
The time of external trigger signal /RESET to /START signal to
be started which needs to be larger than 160mS (SCREEN
setting is OFF).
The time of external trigger signal /RESET to /START signal to
be started which needs to be larger than 250mS (SCREEN
setting is ON).
T5
T3
T4
STEP 2
Description
Panel Description
T6
T1 T1
4-15