DWN Digital Intercom Stations
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The DWN is a simplex industrial intercom station that is used in Armtel
communication systems. The DWN has been especially developed to work
with DCN systems that support the WL-protocol (7kHz ISDN bandwidth).
The DW intercom station is suitable for industrial applications and is
explosion, weather, chemical, dust and vandal proof. It is also proved
to withstand different kinds of acids and other aggressive chemicals.
The build in loudspeaker is 3 W of nominal power. A high-class, noise
compensated dynamic microphone and a horn-type speaker have been
selected to achieve optimal speech transmission. This combination
guarantees effective communication even under the harsh operating
conditions.
Digital explosion proof intercom station DWN: technical features
| IP rating | IP65 | | Digital Interface | Uo | | Current overload limit | 70 V | | Current consumption | 50 mA | | Max distance (standard cabling) | Up to 6 km | | Temperature range | -50C +80 0C | | Cabling (standard) | 4 wire | | Cabling (phantom mains) | 2 wire | | Type of protection | Eex de ib IIC T4 | |
Intercom station DWN extentions
- The standard DW version has 3 double keys (6 standard connections) 3 additional
- DW extension units with 4 keys (8 standard connections) can be also
supplied. Thus the total number of keys is 14 keys (28 connections)
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Intercom equipment