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System Connection User Manual
October 2015 QCL-MAN-CT2211-Aerosol-Leak-Detection-System-Rev F
System Connection 8
2 System Connection
The diagram below shows the electrical connections of the aerosol leak detection
system:
Figure 2-1 Schematic of I/O and external connections
System I/O, External Component Connection and Customer Interface
SCSI interface from NI PCI6601 card
(68 way ribbon cable)
SCSI
System interface card
0V
+24V
DC
15 way dtype
plug connects to
15 way dtype
socket on
Cascade opto
box.
IN 1
IN 2
IN 3
IN 4
IN 5
IN 6
IN 7
System healthy
Laser healthy
Venturi healthy
Reject signal
Return
Input gate
Output gate
Return
OUT 0
OUT 1
OUT 4
OUT 3
Status lamps
Encoder O
IN 14
IN 13
IN 11
IN 12
IN 10
OUT 13
OUT
7b
OUT
10
OUT 9
OUT 8
CASCADE OPTO BOX
CT2
211
DC
p
ow
er
In
ter
face
Ai
r s
ta
tus
9 way
dtype
p
lug
9 w
ay dtype soc
ket
15
w
ay
dt
yp
e
plug
15
w
ay
d
ty
pe
soc
ket
Conn
ec
ts to
9 way socket
Ca
sca
de
o
pto box p
ow
er
C
on
nect
s t
o
15
way s
oc
ket
Ca
sca
de
CT
22
10 se
nsor
Con
ne
ct
s t
o
15
w
ay d
pl
ug
see ab
ove
Conne
cts to
9 way
dso
cke
t
Ca
sc
ad
e o
pt
o
bo
x p
ow
er
Li
ne
s
to
p
Sh
ut
do
w
n s
yst
em
Sp
are
Sp
are
Sp
are
Sp
are
Ret
urn
Return
Li
nes
to
p 1
co
nt
rol
s
ystem h
eal
th
y
Li
ne
sto
p 2
la
se
r h
ea
lt
hy
Heartb
eat si
gna
l
Re
ject
pul
se
c
ou
nt
+24V signals to customer PLC
Inputs to control system: 20 — 25
Outputs to control system: 26 - 31
C
onne
ct
s to Pur
ge
v
al
ve
C
onnect
s to
Re
ject
val
ve
Conn
ect
s to
Rej
ect gate
Con
ne
ct
s t
o I
np
ut
g
ate
Conn
ect
s
to
Outp
ut
gat
e
C
onnect
s
to statu
s lam
ps
Con
nect
s t
o e
nco
der