ARMTEL DWEx - 1 Description and Operation; Features

DWEX DIGITAL LOUD-SPEAKING EXPLOSION PROOF CALL STATION
User Manual
page 4/40 armtel.com
© Armtel info@armtel.com
1 DESCRIPTION AND OPERATION
1.1 Features
DWEx digital explosion-proof call station is the subscriber equipment of Public Address
and General Alarm system completed with DCN/ IPN central exchange (manufactured by
Armtel, Russia).
DWEx according explosion-proof marking «1Ex d e ib IIC T6 Gb Х» and
«Ex tb ib IIIC T85 °C IP66 Db» (GOST 31610.0-2014, PUE) and «II 2 G Ex db eb ib IIC T6 Gb»
and «II 2 D Ex tb IIIC T85 °C IP66 Db» (EN 60079-0:2012) can be used in potentially explosive
gas environments, except for mines and the relevant surface facilities exposed to firedamp
explosive atmospheres.
DWEx equipment can be used at sites of steel, chemical, oil and gas processing
industries, including metal and woodworking areas, other similar sites where standard
PA/GA equipment is not applicable.
DWEx has different versions with regard to the modules installed. DWEx versions are
provided in Table 1.
Table 1 – Variants of DW
Identification Name Interchangeable modules
Max
weight,
kg
ARMT.665230.006
DWEx for 2 connections with
25W Amplifier
− Two-way toggle 1 pcs.;
− Plug 2 pcs.;
− 25W Amplifier
8,5
ARMT.665230.006-01
DWEx for 4 connections with
25W Amplifier
− Two-way toggle 2 pcs.;
− Plug 1 pcs.;
− 25W Amplifier
8,6
ARMT.665230.006-02
DWEx for 6 connections with
25W Amplifier
−
Two-way toggle 3 pcs.;
− 25W Amplifier
8,7
ARMT.665230.006-03
DWEx for 8 connections with
25W Amplifier
− Pushbuttons 1 pcs.;
− Plug 2 pcs.;
− 25W Amplifier
8,5
ARMT.665230.006-04
DWEx for 16 connections
with 25W Amplifier
− Pushbuttons 2 pcs.;
− Plug 1 pcs.;
− 25W Amplifier
8,6
ARMT.665230.006-05
DWEx for 24 connections
with 25W Amplifier
−
Pushbuttons 3 pcs.;
− 25W Amplifier
8,7