STC Smartscan NG2, Manual

Page: 91 / 133

EUD-2018086-00 Rev.3, SmartScanNG² User's Guide for Wayside Enclosure Components, 14 May 2021
91
9.11 Presence Out
The Presence Out signal can be used to drive an external relay that activates additional
equipment upon train arrival. “PRES OUT” contacts (normally open) are provided in the AUX
Connector on the 2300-601 NG² Chassis and on the Surge Panel of the 2300-501 NG
Chassis.
T
K
+
T
K
-
P
re
s
C
o
m
P
re
s
O
u
t
(N
O
)
C
O
M
N
C
N
O
U
n
u
s
e
d
C
O
M
N
C
N
O
U
n
u
s
e
d
SPARE OUT
J3 J2
20 1 20
2300-601 SmartScanNG² CHASSIS
TRACK CIRCUIT
1 10
2300-601 NG² Chassis – Bottom Panel
Te
m
p
Pr
ob
e
D
ED
H
IG
H
TO
2
W
id
e1
W
id
e2
TO
1
W
H
IT
E
B
L
A
C
K
R
E
D
- + - + - + - + - + - +
R
E
D
B
L
A
C
K
H
IG
H
L
O
A
D
S
O
T
C
B
A
T
T
W
ID
E
L
O
A
D
1
W
ID
E
L
O
A
D
2
T
O
1
T
O
2
T
E
M
P
P
R
O
B
E
D
ra
g
g
e
r
V
+
G
n
d
S
ig
T
ra
c
k
1
T
ra
c
k
2
(1
2
V
D
C
o
r
2
4
V
D
C
)
P
re
s
O
u
t
N
.O
.
W
H
IT
E
B
L
A
C
K
W
H
IT
E
S
p
a
re
R
e
la
y
2300-501 NG Chassis – Surge Panel