Datalogic SG2 BASE Series Instruction Manual
Also see for SG2 BASE Series: Instruction manualOriginal instructionsInstruction manualInstruction manual
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Contents
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Instruction Manual SG2 BASE11. GENERAL INFORMATION1.1. General description of the safety light curtainsThe safety light curtains of the SG2 series are optoelectronic multibeam devices that are used toprotect working areas that, in presence of machines, robots, and automatic systems in general, canbecome dangerous for operators that can get in touch, even accidentally, with moving parts.The light curtains of the SG2 series are Type 2 intrinsic safety systems used as accident-preventionprotection devices and are manufactured in accordance with the international Standards in force forsafety, in particular:CEI IEC 61496-1: 2004 Safety of machinery: electro-sensitive protective equipment. Part 1:General prescriptions and tests.CEI IEC 61496-2: 2006 Safety of machinery: electro-sensitive protective equipment -Particular requirements for equipment using active optoelectronicprotective devices.The device, consisting of one emitter and one receiver housed inside strong aluminium profiles,generates infrared beams that detect any opaque object positioned within the light curtain detectionfield. The emitter and the receiver are equipped with the command and control functions. Theconnections are made through a M12 connector located in the lower side of the profile. Thesynchronisation between the emitter and the receiver takes place optically, i.e. no electrical connectionbetween the two units is required. The microprocessor guarantees the check and the management ofthe beams that are sent and received through the units. The microprocessor – through some LEDs –informs the operator about the general conditions of the safety light curtain (see section 7 “Diagnosticfunctions”).The device consists in 2 units that, according to the model, are composed by one or several emittingand receiving modules.The receiver checks the control operations and safety actions.During installation, two yellow LEDs facilitate the alignment of both units (see section 5 “Alignmentprocedure”).As soon as an object, a limb or the operator’s body accidentally interrupts one or some of the infraredbeams sent by the emitter, the receiver immediately opens the OSSD outputs and blocks the MPCEmachine (if correctly connected to the OSSD).Some parts or sections of this manual containing important information for the operator are precededby a note:Notes and detailed descriptions about particular characteristics of the safety devices in order to betterexplain their functioning.Special instructions regarding the installation process.The information provided in the paragraphs following this symbol is very important for safety and mayprevent accidents.Always read this information accurately and carefully follow the advice to the letter.This manual contains all the information necessary for the selection and operation of the safetydevices.However, specialised knowledge not included in this technical description is required for the planningand implementation of a safety light curtain on a power-driven machine. As the required knowledgemay not be completely included in this manual, we suggest the customer to contact DATALOGICAUTOMATION Technical Service for any necessary information relative to the functioning of the SG2light curtains and the safety rules that regulate the correct installation (see section 8 “Periodicalchecks”). |
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