POS App Guide
DIM Installation Examples
49
Figure 30. TLS-450/TLS-450PLUS LVDIM Installation With PetroVend System 2 Site Controller
S
et
S
W1 (on mod
u
le'
s
PC
b
o
a
rd)
to the EXTERNAL po
s
ition.
Neg
a
tive termin
a
l
s
not
us
ed w/
S
W1 in the
EXTERNAL po
s
ition.
Common
P
u
l
s
er
H
a
nd/Flow
+12
PetroVend
S
y
s
tem 2
PV270 P
u
mp Rel
a
y Bo
a
rd
To P
u
l
s
er
s
To Other
PetroVend
PV270
Rel
a
y Bo
a
rd
s
LVDIM
LO
W V
O
L
T
A
GE
DI
S
PEN
S
ER INTERF
A
CE MODULE
+
-
+
-
+
-
+
-
12
11
10
9
+
-
+
-
+
-
+
-
5
6
7
8
+
-
+
-
+
-
+
-
1
2
3
4
+
-
S
OURCE
INPUT RATING
3
0 VDC MAX
0 1 AMP MAX
401-3.eps