Chroma 19572 - Timing Diagram

Panel Description
4-15
4.13 Timing Diagram
Timing diagram – take an example by two test steps
Time
Limit
Description
T1 > 20mS
The time of external trigger signal/START & /RESET to be
remained which needs larger than 20mS.
T2
< 200mS
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.
< 300mS
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.
T3
-
Test needed time of various test steps.
T4
> 5mS
/Pass signal sent larger than 5mS, /UNDER TEST signal is end.
T5 -
The equipment used time as testing, the signal is simultaneous
with Danger lamp on panel.
T6
>160mS
The time of external trigger signal /RESET to /START signal to
be started which needs to be larger than 160mS (SCREEN
setting is OFF).
>250mS
The time of external trigger signal /RESET to /START signal to
be started which needs to be larger than 250mS (SCREEN
setting is ON).
/RESET
/START
/PASS
T3
/UNDER TEST
T4
T3
STEP 1
STEP 2
/FAIL
T2
T1
T1
T6
T1
T5