Reer JANUS MJBOX Manual

Contents

general information

8540705 • 18/12/2012 • Rev.6 9INTERCONNECTION MODULESJANUS MJBOXGENERAL INFORMATIONThe JANUS MJBOX modules are accessory devices designed to make the wiring ofJANUS J and J TRX, JANUS M and M TRX light curtains fast and safe, and to providethe main controls necessary for their operation close to the protected gate.In addition to the guided contacts safety relays piloted and monitored by the lightcurtain, terminal boards for connecting the cables, bridges and dip-switch for theconfiguration of the light curtain itself are also present inside.DESCRIPTIONExternally both models have:1. Connectors for connecting with the light curtain (M23 for RX and M12 for TX).2. Fairlead for passage of cables towards the machine for:- power supply;- connection with output contacts of the internal safety relays and staticoutputs of the light curtain;- Muting enable signals from the outside;- output signals which indicate the status of the safety light curtain.The MJB1/MJB3 models also present:1. Lighted restart button and output status / weak signal led.2. Key selector switch for Override function.3. Lamp to signal Muting/Override active.Figure 1 - MJB1/MJB3OVERRIDEKEYMUTING LAMP /OVERRIDERESTART BUTTON -OUTPUT STATUS LEDCABLEFAIRLEADRXTX(Janus)