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Brand: NI
Type:GPIB-140A
Origin: the United States
Warranty: 365 days
Colour: new/used
Shipping method: Courier delivery
Power Supply Under normal circumstances, the power supply required by AC 800M Controller and associated field equipment can be obtained from the plant’s standard 120/230 V AC mains supply. Mains Net Filter It is not necessary to use mains net filters when using the SD831/832/833/834 power supply units. Mains Breaker A mains breaker must be installed in the immediate vicinity of a controller installation to allow for immediate total power supply disconnection to the equipment, should the need arise. However, the prime function of the mains breaker is to provide a means of isolating the power supply completely during maintenance. The mains breaker must be installed in a location where it is both easily accessible and clearly visible, that is, outside any enclosure or cabinet. Protective Earth (PE) Always install a protective earth connection on equipment connected to a 115/230 V AC supply. For electrical safety reasons all conductive parts, such as the DIN-rail or the conductive parts to which the rail is fastened, are required to be connected to PE. The safety aspect that requires such a PE-connection is due to e.g. in-cabinet wiring providing basic insulation only or accidental touch/connection (e.g. loose wires) of hazardous voltages to conductive metal parts. The connection shall fulfill the requirements in IEC61131-2 for PE connections, that is: A conductor which, having a static current of 30 A flowing through, measures a voltage drop which corresponds to
Fusing the External Mains Supply Cable The recommended fuse rating for the external mains supply of a standard AC 800M Controller configuration, housed within a floor or wall-mounted cabinet, is given in Table 3 on page 64. Should the configuration be other than that stated, instructions for calculating current consumptions can be found in the relevant I/O manual. For the AC 800M Controller, see Appendix B, Power Consumption.
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