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GENERAL DESCRIPTION
The REER MJBOX modules can be used for the electrical connection of the Janus light
curtains. They provide the external commands of the light curtain as well.
The MJBOX modules contain terminal boards, pre-wired connections as well as dip
switches for the configuration of the light curtain.
•
MJB1 and MJB2 have two relays (K1 and K2 in picture 3), supplying two N.O. guided
contacts
•
MJB3 and MJB4 have two relays (K3 and K4 in picture 3), supplying two N.O. and one
N.C. guided contacts.
Picture 1 shows the modules MJB1/MJB3. These two modules can be connected with the
light curtains of the series Janus M (with the muting function).
On the front panel the RESTART command button, the key selector for the muting
OVERRIDE function and the active muting signal lamp are present.
8540579 - Rev.4
INTERCONNECTION BOXES
JANUS MJBOX
OVERRIDE
KEY
KEY
OVERRIDE
RESTART
Picture 1 – MJB1/MJB3
MUTING
LAMPADA
LAMP
MUTING
TX JANUS
RX JANUS
CABLES
PASSAGGIO
CAVI
PASSAGE
1
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Summary of Contents for Reer MJBOX MJB1
- Page 1 JANUS MJBOX GENERAL DESCRIPTION The REER MJBOX modules can be used for the electrical connection of the Janus light curtains. They provide the external commands of the light curtain as well. The MJBOX modules contain terminal boards, pre-wired connections as well as dip switches for the configuration of the light curtain.
- Page 2 Picture 2 shows the modules MJB2/MJB4. These two modules can be connected with the light curtains of the series Janus J (no muting function). On the front panel the RESTART command button is present. RESTART CABLES PASSAGGIO CAVI PASSAGE TX JANUS RX JANUS Picture 2 –...
- Page 3 NAME DESCRIPTION FACTORY SELECTION CONF3 Muting timeout = 30sec CONF2 Muting features selected configuration CONF1 * (“L” or "T" operation) CONF0 * RESTART Manual/Automatic Manual operation selected operation selection MAN_AUTO and RESTART signal See table: SEL_RANGE2 Low range selected “TEST AND RANGE SELECTION” SEL_RANGE1 on the JANUS Technical Manual Table 1 –...
- Page 4 INSTALLATION AND ELECTRICAL CONNECTIONS • The MJBOX modules can be fixed to the wall, using the proper plastic brackets inserted in the holes placed on the box rear side corners. These brackets can easily rotate to reach 90°. • The curtain must be connected using cables to the respective M12 and M23 connectors (Fig.
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