GE VMIVME-7452-500140 Gas turbine programming module

The controllers must be installed and cooled according to the instructions given in the corresponding documentation. The ambient air must not exceed degree of pollution 2 according to EN 61800−5−1. Ensure proper handling and avoid excessive mechanical stress. Do not bend any components and do not change any insulation distances during transport or handling. Do not touch any electronic components and contacts. Controllers contain electrostatically sensitive devices which can easily be damaged by inappropriate handling. Do not damage or destroy any electrical components since this might endanger your health!

Electrical connection

 When working on live controllers, observe the applicable national regulations for the prevention of accidents (e.g. VBG 4). The electrical installation must be carried out according to the appropriate regulations (e.g. cable cross−sections, fuses, PE connection). Additional information can be obtained from the documentation. The documentation contains information on the installation according to EMC (shielding, earthing, arrangement of filters, and installation of the cables). Also observe this information with regard to drive controllers labelled with CE marking. The manufacturer of the system or machine is responsible for the compliance of the limit values required in connection with EMC legislation.

In order to observe the limit values

 for radio interference emissions effective at the installation site, you have to mount the drive controllers into housings (e. g. control cabinets). The housings have to enable an EMC−compliant structure. Particularly observe that, for instance, control cabinet doors preferably are metallically connected to the housing in a circumferential manner. Reduce openings or apertures through the housing to a minimum. Lenze controllers can cause a DC current in the PE conductor. If a residual current device (RCD) is used for the protection in the case of direct or indirect contact on a three−phase supplied controller, only one residual current device of type B is permissible on the current supply side of the controller. If the controller is supplied with one phase, also a residual current device (RCD) of type A may be used. Apart from the use of a residual current device (RCD) also other protective measures can be used, like for instance isolation from the environment by double or reinforced insulation or isolation from the supply system by a transformer.

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