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8.7 EWS2 – Wireless Outdoor Siren
EWS2 is a wireless outdoor device with a built-in siren speaker, LED indicators and operates with ELDES wireless alarm systems. EWS2
has to be bind to the alarm system by sending a corresponding SMS message or using software ELDES Conguration Tool. Upon su-
ccessful EWS2 binding process, the system adds one wireless zone and one wireless PGM output. In case of alarm, the siren provides
a sound alarm for one minute. The conguration of this parameter is disabled for EWS2 in order to save the battery power.
It is possible to connect up to 16 EWS2 devices to the alarm system at a time. The maximum wireless connection range is 150 meters
(in open areas).
8.7.1 Technical Specications
8.7.1.1 Electrical & Mechanical Characteristics
Battery Type 1,5V Alkaline AA type
Number of Batteries 4
Battery Operation Time ~18 months*
Wireless Transmitter-Receiver Frequency 868 Mhz
Range of Operating Temperatures -30...+55ºC
Dimensions 201 x 140 x 36 mm
Wireless Communication Range Up to 30 meters in premises; up to 150 meters in open areas
Compatible with Alarm Systems ELDES Wireless
* This operation time might vary in dierence conditions.
8.7.1.2 Main Unit, LED & Connector Functionality
RESET Button for restoring default parameters
+ / - Battery slots
LED indicators Visual alarm indication
Tamper Tamper button contacts
Bell+ Positive siren speaker contact
Bell- Negative siren speaker contact
RESET
TAMPER
TAMPER
+ -
BELL
BATTERY
+ -
+-+-
+ -
BATTERY
BATTERY BATTERY
Fig. No. 48
8.7.2 Installation
1. Open EWS2 enclosure.
Remove the small blue lid located on the front side of the enclosure by pulling the lid up. (see Fig. No. 49).
Fig. No. 49
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