WAGO 750-306 Technical Description

Also see for DeviceNet 750-306: Manual

WAGO 750-306 Technical Description Manual pdf 148 page image

148 ï Application in Explosive EnvironmentsInstallation RegulationsWAGO-I/O-SYSTEM 750DeviceNet6.6 Installation RegulationsIn the Federal Republic of Germany, various national regulations for theinstallation in explosive areas must be taken into consideration. The basisbeing the ElexV complemented by the installation regulation DIN VDE0165/2.91. The following are excerpts from additional VDE regulations:DIN VDE 0100 Installation in power plants with rated voltages up to1000 VDIN VDE 0101 Installation in power plants with rated voltages above1 kVDIN VDE 0800 Installation and operation in telecommunication plantsincluding information processing equipmentDIN VDE 0185 lightning protection systemsThe USA and Canada have their own regulations. The following are ex-cerpts from these regulations:NFPA 70 National Electrical Code Art. 500 Hazardous LocationsANSI/ISA-RP12.6-1987Recommended PracticeC22.1 Canadian Electrical CodeDangerFor the use of WAGO-I/O SYSTEM 750 (electrical operating means) withEx approval the observance of the following points is mandatory:• The electrical operating means are exclusively suitable for applications inexplosion endangered areas (Europe Group II, Zone 2 or America: ClassI, Division 2, Group A, B, C, D) or in non-explosion endangered areas!• Ensure that only approved modules of the electrical operating means willbe used. Replacement of components can jeopardize the suitability of thesystem in explosion endangered zones!• Only disconnect and/or connect electrical operating means when the volt-age supply is isolated or when a non-explosive atmosphere has been as-certained!• Adhere to the specified data regarding voltage supply and fusing. (Seedata on the fuse holder)!