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Tunnel Master® Jr. User Manual
Chapter 3: Entrance Keypad Installation
485 UPPER TIER
COM PORT
DT
-
GN
D
2. Maximum of four smart relay boards may be connected. Connectors are
interchangeable on all boards. Even though there are two separate ports,
either one can be used.
ICS SUPPLIED 24/4
COMM CABLE
SHIELD
DRAIN
1
1. Attach the shield drain at each end of the COMM cable to the
ground lug of each enclosure. Shield ground needs to be tied to the
earth ground at one end only. Ground lug is 120VAC.
WARNING
: Do no connect both ends of the shield ground to different
earth ground points.
D
T+
DT
-
GN
D
D
T+
Tunnel Master Jr.
Controller
Keypad
Communication Cable Terminations
Diagram for a Tunnel Master Jr. Interface System
with a Smart Relay Box and Double Junior Configuration, 72 Outputs
TX
-
TX
+
R
X+
RX
-
GN
D
485 LOWER TIER
COM PORT
TX
-
TX
+
R
X+
RX
-
GN
D
Tunnel Master Jr.
1
ST
Relay Box
+5
V
R
XD
TX
D
GN
D
232 UPPER TIER
DATA PORT
J1
–
EXT PROG
J2
–
A15
–
ON
J3
–
EPCE
– 182
J4
–
Gnd
–
ON
J5
–
REC+
–
OFF
J6
–
REC-
–
OFF
J7
–
Term
–
ON
485 UPPER TIER
COM PORT
TX
-
TX
+
R
X+
RX
-
GN
D
+5
V
R
XD
TX
D
GN
D
485 UPPER TIER
COM PORT
TX
-
TX
+
R
X+
RX
-
GN
D
+5
V
R
XD
TX
D
GN
D
232 UPPER TIER
DATA PORT
232 UPPER TIER
DATA PORT
+5
V
R
XD
TX
D
GN
D
232 LOWER TIER
DATA PORT
485 LOWER TIER
COM PORT
TX
-
TX
+
R
X+
RX
-
GN
D
+5
V
R
XD
TX
D
GN
D
232 LOWER TIER
DATA PORT
485 LOWER TIER
COM PORT
TX
-
TX
+
R
X+
RX
-
GN
D
+5
V
R
XD
TX
D
GN
D
232 LOWER TIER
DATA PORT
Tunnel Master Jr.
Smart Relay Box
Tunnel Master Jr.
2
nd
Relay Box
J2
–
BIAS H
–
ON
J3
– 485/422 – 485
J4
– 485/422 – 485
J5
–
T Term
–
OFF
J6
– 485/422 – 485
J7
–
R Term
–
OFF
J8
–
Gnd
–
ON
J9
–
Gnd
–
ON
J10
–
Bias L
–
ON
J11
–
S Lock
–
ON
J2
–
BIAS H
–
OFF
J3
– 485/422 – 485
J4
– 485/422 – 485
J5
–
T Term
–
ON
J6
– 485/422 – 485
J7
–
R Term
–
OFF
J8
–
Gnd
–
ON
J9
–
Gnd
–
ON
J10
–
Bias L
–
OFF
J11
–
S Lock
–
ON
J2
–
BIAS H
–
ON
J3
– 485/422 – 485
J4
– 485/422 – 485
J5
–
T Term
–
ON
J6
– 485/422 – 485
J7
–
R Term
–
OFF
J8
–
Gnd
–
ON
J9
–
Gnd
–
ON
J10
–
Bias L
–
ON
J11
–
S Lock
–
ON
CONNECTED TO DB9 SERIAL
PORT ON COMPUTER
BL
K
BL
K/
W
H
T
W
HT
BL
K
BL
K/
W
H
T
W
HT
W
HT
BL
K/
W
H
T
BL
K
SHIELD
DRAIN
1
SHIELD
DRAIN
1
SHIELD
DRAIN
1
W
HT
BL
K
BL
K/
W
H
T
SHIELD
DRAIN
1
ICS SUPPLIED 24/4
COMM CABLE
W
HT
BL
K
BL
K/
W
H
T
SHIELD
DRAIN
1
ICS SUPPLIED 24/4
COMM CABLE
UPPER TIER
LOWER TIER
5
4
2
3
1
9
7
8
6
BL
K
BL
K/
W
H
T
W
HT
5
4
2
3
1
BL
K
BL
K/
W
H
T
W
HT
9
7
8
6
CONNECTED TO DB9 SERIAL
PORT ON COMPUTER
24 OUTPUTS
48 OUTPUTS
ADDITIONAL
24 OUTPUTS
W
HT
BL
K
BL
K/
W
H
T
Communication Cable Terminations
Figure 3-2. Communication Cable Termination Diagram
There is a terminal block (NETWORK 485), located on the keypad circuit board labeled with
DT+
(Data+),
DT-
(Data-), and
GND
(Ground). Terminations for the single-twisted pair Comm
wires should be torqued to 20 pound-inches (2.3 n-m.) Over torquing may cause enclosure
breakage.
Second Entrance Keypad Mounting and Installation
The following instructions will provide detailed information on proper mounting and installation of the
optional second Entrance Keypad.
Second Entrance Keypad Mounting
The second Entrance Keypad should be mounted securely to the wall of the car wash, directly
next to the first Entrance Keypad in the entrance to the tunnel.
The keypad is a Type 3 enclosure, which means it is a watertight enclosure, but should not be
mounted where it is constantly inundated with water.
The keypad should be mounted away from corrosive chemicals.
Summary of Contents for Tunnel Master Jr
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