Rice Lake RailBoss™ Rail Scales - Installation Manual - Manual (Page 10)

6 Railboss Railroad Track Scale
3.0 Junction Box Installation
The RailBoss Railroad Track Scale TuffSeal ® junction box (PN 119987) has been designed to connect and trim
four load cells per board. One junction box is required per RailBoss section (i.e., one for double-draft systems,
two for full-draft systems).
WARNING
Electrostatic Charging Hazard
To prevent Electrostatic charging hazard, the equipment shall only be cleaned with a damp cloth.
Sparks can ignite flammable liquid vapors and powders.
3.1 Junction Box Wiring
JP4 PT4 PT3 JP3
JP2 PT1
1
EXP
PT2 JP1
1
CELL4
1
CELL1
1
CELL3
1
CELL2
1
IND
-EX
-SI
SHD
+SI
+EX
M
-SI
S2C
+SI
+EX
-EX
-SI
SHD +SI
+EX
-EX
-SI
SHD
+SI
+EX
+SI
-SI
-EX
SHD
-EX
SHD
+EX
+SE
-SE
1
EXP
1
IND
-SI
+SI
-EX
SHD
+EX
+SE
-SE
Figure 3-1. Expansion Port Wiring Location
Table 3-1. RailBoss Wiring Assignments
Color Function
Red +EXCITATION
Black –EXCITATION
Green +SIGNAL
White –SIGNAL
1. After determining the wiring pattern (see
Figure 3-1 and Table 3-1), route the load cell
cables through the cord grip assemblies and
leave the grips loose until final closure.
2. Before connecting load cell wires to the
terminals, strip the wire insulation back 1/4"
to expose the wire. The spring -loa ded
terminals will accommodate 12-28 gauge
wire.
3. To connect the load cell wires to the
a p p r o p r i a t e c o n n e c t o r s , p u s h i n t h e
quick-connect lever with a small screwdriver.
While holding the lever, insert the appropriate
wire into the exposed wire opening. Release
the screwdriver to allow the spring-loaded
gate to close and lock the wire in place.
Serial Port Assignments
A single or dual A/D card can be used with the scale
depending on if it is a full draft or double draft.
• Dual A/D card – Full Draft
• Single A/D card – Double Draft
Table 3-2 shows the port numbers assigned for each
slot.
Table 3-2. Serial Port Assignments
Slot Number Serial Port Assignment
1 1 - Printer (for railcar ticket -
defaults to 9600, None, 8 bits,
parity 1)
2 - iRev
3 - not used
4- not used