Rockwell Automation 2727-MRJB2 User Manual

Installation Instructions

MobileView Junction Box

(Catalog Number 2727-MRJB2)

English

The MobileView Junction Box (2727-MRJB2) integrates the following terminals into
the control system:

• MobileView Guard G750

• MobileView Machine Terminal MT750

The Junction Box can be used either inside or outside a control cabinet based on its
IP65 rating.

The cables that connect the MobileView terminal to the Junction Box are available
as separate catalog numbers.

• MobileView Connection Cable (Catalog Numbers 2727-MRTxx) connects the

MobileView terminal to the Junction Box. The Connection Cable is available
in 5, 10, 15, 20 meter (16.4, 32.8, 49.2, 65.6 foot) lengths.

• MobileView Junction Box Cable (2727-MREY1) connects the Junction Box to

the MobileView Connection Cable when the Junction Box is mounted inside
a cabinet. The cable is 2 meters (6.56 feet) long.

Inside. . .

Junction Box Dimensions and Connections ...................................................................... 2

Mounting the Junction Box on a DIN Rail ......................................................................... 3

Connecting the MobileView Terminal to the Junction Box ............................................... 5

Junction Box Pinout and Wiring ........................................................................................ 6

Specifications .................................................................................................................... 7

Publication 2727-IN010A-EN-P - May 2004

2 MobileView Junction Box

Junction Box Dimensions and Connections

70 mm

(2.76 in)

165 mm (6.50 in)

X1

1

10

K1 17-pin female connector for connection cable

X1 Terminal block for power and control lines

X3 Terminal block for data lines

SHIELD Cable shield clamp with connection surface for shield of data lines (not used

for strain-relief of the cable)

ATTENTION

The Junction Box and the MobileView terminal meet the safety
class III in accordance with EN 61131-2 and EN 50178. When

X3

6

1

K1

SHIELD

140 mm

(5.52 in)

connecting the MobileView terminal, make sure all voltages
connected to the terminal are safety low voltages and isolated
from the low voltage supply system by a safety transformer or
a similar safety component.

Publication 2727-IN010A-EN-P - May 2004

MobileView Junction Box 3

Mounting the Junction Box on a DIN Rail

Mount the Junction Box on a DIN rail inside the enclosure.

Attach DIN Rail Adapter to MobileView Terminal

Attach the DIN Rail Adapter to the back of the Junction Box using the screws
provided.

To install the Junction Box on a DIN rail:

1. Mount the DIN rail.

2. Hook the top slot of the adapter over the DIN rail.

3. While pressing the Junction Box against the DIN rail, snap the Junction Box

into position.

Publication 2727-IN010A-EN-P - May 2004