Split Flow - Agilent Technologies VS Series Operation Manual

PIN No. Signal Name
16 ZERO_IN
18 OFFSET_IN
(Decide later for a better name
function)
20 TUNE_IN
22 FAST_EXTERNAL_CAL
24 RDSTDLK_IN
3-4
VS Series Component Leak Detector
Table 3-1 I/O Connector Pin Signals (Continued)
I/O
I
I
I
I
I
Level Description
>200ms Active HIGH pulse
Pulse
>200ms Active HIGH pulse
Pulse
>200ms Active HIGH pulse
Pulse
>200ms Active HIGH pulse
Pulse
LEVEL Active HIGH when
standard leak is
ON.
Leak Detector
Behavior
Initiate ZEROING
routine. If ZERO
ENABLE is turned
OFF in the display
screen, pin 16 is
inactive. To
reactivate pin 16,
turn ON ZERO
ENABLE in the
Control Panel
display screen.
Initiates/Establishes
a zero reference
(offset) calculation
prior to a fast
external
calibration.
Initiate TUNE
routine with
customer provided
helium source.
Customer controls
TEST valve.
Customer TEST
valve must be
open. Customer
previously zeroes
background.
Customer opens
their standard cal
leak. LD will adjust
calibration and
compensate for

split flow.

Initiate the
INTERNAL
STANDARD LEAK
reading routine