Digital Communication System DVS-21 for Industrial Applications

Available for Import

Digital Communication System DVS-21 for Reliable Industrial Communication

Communication Devices Hub

Manufacturer: PROMTREID LLC

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Bulk pricing available

FOB, CIF & EXW terms available

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Description

Digital communication system DVS-21 is designed for realisation of specific tasks at industrial enterprises taking into account strict requirements for reliability and safety of equipment when working at hazardous production facilities. DVS-21 systems are installed on the territory of separate industrial facilities, separate technological subdivisions, in shops and sites for the purpose of narrowly functional or complex solution of the following communication tasks: organisation of operational and technological two-way loud-speaking dispatch and command and search communication; organisation of loud-speaking communication and loud warning; organisation of fire warning system in manual and automatic mode; operational communication with production sites with explosive and / or chemical and / or hazardous production equipment.

Specifications

Radio channel frequency range

0.3...0.7

Degree of protection of peripheral devices according to GOST 14254-2015

Not lower than IP20, IP54, IP65 or IP66

Degree of protection of digital switch according to GOST 14254-2015

At least IP20

Communication bus types

RS-485, RS-232, USB2.0

Number of simultaneously called subscribers (free switched field)

max 52

Continuous operation time

Capacity of system

104 subscribers per centre

Power consumption in standby mode and in "Fire" mode

Not more than 20 kW

Consumption current in standby mode and in "Fire" mode

max. 300 mA

Maximum active resistance of the wired communication line

At least 50 ohm

Power supply voltage

48 (direct current) V

Permissible category and group of explosive mixtures of gases and vapours with ambient air

IIA T1 according to GOST 31610.0-2019, GOST 30852.5-2002 and GOST 31610.20-1-2020

Type of atmosphere in terms of corrosive agent content

II according to GOST 15150-69

Permissible operating conditions with regard to external mechanical influences

according to group M23 of GOST 17516.1-90 and GOST 30631-99

Basic functions of DVS-21 system

simplex/half-duplex speakerphone communication with subscriber devices; selective, general and group calls, with group call can be dialled (preset key, target key, communication key); call priority, pro

Note: All specifications are provided by the manufacturer and may be subject to change. Please contact us to confirm the latest specifications before placing your order.

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Shipping Terms

FOB Novorossiysk, Russia CIF Available to major ports worldwide EXW Manufacturer's facility, Russia

Delivery Time

Sea freight: 30-60 days (depending on destination) Air freight: 14-21 days (for urgent orders)

Payment Methods

Letter of Credit (L/C) Wire Transfer (T/T) Escrow Services

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Digital Communication System DVS-21 for Reliable Industrial Communication

Description

Specifications

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