Vega VEGAPULS WL 61 Operating Instructions Manual

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Vega VEGAPULS WL 61 Operating Instructions Manual Manual pdf 9 page image

92 For your safetyVEGAPULS WL 61 • Two-wire 4 … 20 mA/HART38061-EN-1904042.10 Installation and operation in the USA andCanadaThis information is only valid for USA and Canada. Hence the follow-ing text is only available in the English language.Installations in the US shall comply with the relevant requirements ofthe National Electrical Code (ANSI/NFPA 70).Installations in Canada shall comply with the relevant requirements ofthe Canadian Electrical CodeA Class 2 power supply unit has to be used for the installation in theUSA and Canada.2.11 Security concept, Bluetooth operationSensor adjustment via Bluetooth is based on a multi-stage securityconcept.AuthenticationWhen starting Bluetooth communication, an authentication is carriedout between sensor and adjustment device by means of the sensorPIN. The sensor PIN is part of the respective sensor and must beentered in the adjustment device (smartphone/tablet). To increaseadjustment convenience, this PIN is stored in the adjustment device.This process is secured via an algorithm acc. to standard SHA 256.Protection against incorrect entriesIn case of multiple incorrect PIN entries in the adjustment device,further entries are possible only after a certain amount of time haspassed.Encrypted Bluetooth communicationThe sensor PIN as well as the sensor data are transmitted encryptedbetween sensor and adjustment device according to Bluetoothstandard 4.0.2.12 Environmental instructionsProtection of the environment is one of our most important duties.That is why we have introduced an environment management systemwith the goal of continuously improving company environmental pro-tection. The environment management system is certified accordingto DIN EN ISO 14001.Please help us fulfil this obligation by observing the environmentalinstructions in this manual:• Chapter "Packaging, transport and storage"• Chapter "Disposal"