Explosion-proof network switch PKV Orion MK SK

Explosion-proof switch PKV Orion MK SK is designed to integrate remote network devices into one or more network segments in the presence of an explosive atmosphere.The switch allows the remote device to transmit electrical energy to each port up to 30W together with data through a standard twisted pair cable at a distance of up to 250m, as well as to build distributed networks.The switch simultaneously supports high-speed data streams between all of its ports.

The switch is manufactured on the basis of an explosion-proof PKV control station with explosion protection marking 1Ex d IIB T6… T4.This equipment is produced in two modifications, differing in the number of network ports with PoE support: PKV Orion MK SK-4, PKV Orion MK SK-8.

Taking into account the installed heating plate inside the shell, the switch can operate at ambient temperatures from minus 60 to plus 60 ° С, and relative air humidity 90% at 40 ° С without moisture condensation.The degree of protection against penetration of dust and moisture according to GOST 14254 IP66.Type of climatic modification UHL1 according to GOST 15150-69, atmosphere of type II according to GOST 15150.Height above sea level - no more than 4300m.The switch corresponds to the I class of protection against electric shock according to GOST 12.2.007.0-75.

The switch belongs to group II electrical equipment in accordance with GOST 31610.0-2014 and is intended for use in hazardous areas, rooms and outdoor installations in accordance with the explosion protection marking "1Ex d IIB T6 ... T4 Gb" and GOST IEC 60079-10-1-2011. The equipment can be used in explosive zones of class 1 and 2 according to GOST IEC 60079-10-1-2011.The environment may contain explosive mixtures of gases and vapors with air, categories IIA, IIB.

The switch is completed with explosion-proof cable glands of the KV series TU 344995-138-81888935-2016 manufactured by LLC "Company SMD".

Design

The design of the shell of the network explosion-proof switch PKV Orion MK SK is a separate explosion-proof shell that meets the requirements of GOST 31610.0-2014 and GOST IEC 60079-1-2011, consisting of a body, a rubber sealing ring of the cover.The cover is attached to the body with pivot hinges and is sealed against it with screws.The hinges connecting the cover and the body are removable, so the cover can be completely detached from the body.The internal space of the flameproof enclosure allows for optimal and convenient placement of internal components for installation and maintenance.The switch with the power supply is installed on a circuit board and is rigidly secured with screws.Cable entry is carried out by means of explosion-proof cable glands, which, depending on the customer's request, can be located on either side of the housing, but also have a standard version.A heating plate with a thermostat is installed on one of the walls inside the shell, which allows maintaining the optimal operating temperature for the operation of the equipment mounted inside.The thermostat has a temperature control element that allows you to increase or decrease the temperature inside the enclosure.Isolon plates are provided to reduce rapid cooling.On the outer side around the perimeter of the cover, spring washers are installed, pressing them with screws, thereby preventing self-unscrewing.Sealing of two diagonally located screws provides control of unauthorized access to the internal cavity.

The switch, depending on the configuration, can connect up to eight IP devices (cameras, telephones), allowing you to create a local network and transmit data to the operator's post.The switch design contains PoE ports that provide power to the remote device, signal transmission, and control the camera rotation to the desired angle using a single cable.On the side wall of the switch there is a CCTV-Default mode switch, which allows to increase the data transmission distance up to 250 meters.PoE ports reduce installation material costs, resulting in less installation, maintenance and time savings.

Principle of operation

The explosion-proof switch connects to IP devices in this case, IP cameras.Cameras can be located on the periphery of the protected object or in places of technological processes.The switch allows you to combine remote devices into one network and output data to the operator's post with high speed and clarity, allowing you to track violations in technological processes at hazardous facilities and detect illegal intrusion into the territory of the facility.Each connected device has an individual MAC address, fixing this address, the switch assigns a separate port, thereby uniting the devices into a separate network.