www.reer.it8540573 • 16/09/2016 • Rev.20 1TYPE 4 SAFETY LIGHT CURTAINJANUSSUMMARYINTRODUCTION ............................................................................................................................................... 3PRINCIPLE OF OPERATION ........................................................................................................................... 4LIGHT CURTAIN ............................................................................................................................................ 4MUTING FUNCTION ..................................................................................................................................... 5SERIES "ML" - PREASSEMBLED KIT OF JANUS LIGHT CURTAIN AND SENSOR ELEMENT “MlS” Integrated Muting sensors – only for one-way openings with pallet exit. ........................................ 5SERIES "MT" - KIT PREASSEMBLED OF JANUS LIGHT CURTAIN AND SENSORS ELEMENTS“MT SI” and “MT SE” Integrated Muting sensors – for two-way openings with pallet entrance/exit. .. 6SERIES "MT S4" - KIT PREASSEMBLED OF JANUS LIGHT CURTAIN AND SENSORSELEMENTS “MT S” Integrated Muting sensors – for two-way openings with pallet entrance/exit. .... 6SERIES "ML S2" - KIT PREASSEMBLED OF JANUS LIGHT CURTAIN AND SENSORSELEMENTS “ML S” Integrated Muting sensors – for one-way openings with pallet exit. ................... 7MODEL "MI" – external sensors 3 selectable methods of Muting. ...................................................... 7MI models used with “l” operational logic.............................................................................................. 9INSTALLATION ................................................................................................................................................ 9POSITIONING .............................................................................................................................................. 11POSITIONING OF THE MUTING SENSORS ("MI" SERIES). ........................................................... 11POSITIONING AND ADJUSTMENT OF SENSOR ELEMENTS FOR "ML" and "MT" SERIES: ...... 13CALCULATION OF THE SAFETY DISTANCE .................................................................................. 14VERTICAL POSITIONING OF THE LIGHT CURTAIN ....................................................................... 15MULTIPLE SYSTEMS ........................................................................................................................ 17DISTANCE FROM REFLECTIVE SURFACES .................................................................................. 17LIGHT SIGNALS .......................................................................................................................................... 19Emitter SIGNALS ................................................................................................................................ 19Receiver SIGNALS ............................................................................................................................. 20ELECTRICAL CONNECTIONS AND CONNECTORS ................................................................................ 22EMITTER Connections (Male Connector) ......................................................................................... 22RECEIVER CONNECTIONS (Main Connector - Male) ...................................................................... 23Connections CONNECTOR M12 n. 1 (for muting sensor) ("MI" MODELS) (Female Connector) ...... 24Connections CONNECTOR M12 n. 2 (for muting sensor) ("MI" MODELS) (Female Connector) ..... 24RECEIVER CONNECTIONS J LR M12 MODELS ............................................................................. 25SELECTION OF CONFIGURATION AND OPERATING MODE ................................................................. 25SELECTION FEEDBACK EXTERNAL CONTACTORS K1/K2 .......................................................... 25SELECTION OF MANUAL/AUTOMATIC FUNCTIONING ................................................................. 26SELECTION OF THE MAXIMUM DURATION AND TYPE OF MUTING .......................................... 27OVERRIDE CONFIGURATION .......................................................................................................... 27MUTING OVERRIDE FUNCTION (“M” MODELS) ............................................................................. 28"SYSTEM STATUS" OUTPUT (“M” MODELS) .................................................................................. 29TEST FUNCTION ............................................................................................................................... 29SAFETY MODULES MJB1 - MJB2 - MJB3 - MJB4 ........................................................................... 29EXAMPLE OF CONNECTION WITH EXTERNAL CONTACTORS K1/K2 WITH start/restart interlockactivated .............................................................................................................................................. 30EXAMPLE OF CONNECTION WITH AD SR0 WITH start/restart interlock activated ....................... 31MUTING STATUS AND LIGHT ("M" MODELS) .............................................................................. 31CONFIGURATION AND OPERATION MODES J LR M12 ......................................................................... 32AUTOMATICO MODE ........................................................................................................................ 32MANUAL MODE ................................................................................................................................. 33