Chroma 19071 - 2.5.6 Timing Diagram

Operation and Setting
2-21
2.5.6 Timing Diagram
(1) Set “END OF STEP” to OFF
Timing diagram – take an example by two test steps
Time
Limit
Description
T1 > 20mS
The time of external trigger signal (/START) 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.
/START
T1
/UNDER TEST
T2
/FAIL
T3
/PASS
T4
T3
STEP 1
STEP 2
T5