Wireless Keypad PU-R
1 Specifications
6
Maximum communication distance of the wireless interface in the open air
is 800 m, the operating distance
1
is 200 m;
Communication distance through the interface RS-232 is up to 30 m;
When operating through the wireless interface
2
, PU-R can delay automatic
indication of events for not more than 15 sec., while operating through the
interface RS-232 – for not more than 1 sec.;
Capability of connection to a PC through the RS-232 for loading and syn-
chronizing the Strelec configuration.
1.4
Power supply
Power supply from the lithium battery 9 V / 1.2 Аh or the storage battery
NiMH 8.4 V / 170 mАh;
Battery
3
life is about 1 year, storage battery life – about 1 month;
Capability of power supply from the network adapter =12-27 V, ~9-24 V or
external source 10.8-27 V;
Current consumption from a network adapter or external source is not higher
than 40 mА;
Storage battery charger NiMH 8.4 V;
Charging of the discharged storage battery lasts about 10 hours;
1
Operating distance of communication is a communication distance with the energy margin 10 dB;
2
When power supplied from an external source – not more than 10 sec. (see the paragraph 7.1 for more detailed
information);
3
When the wireless exchange interface is used;
ATTENTION!
To power supply PU-R, use only the lithium batteries 9V, 1.2 Ah such
as Energizer NO L522, Ultralife U9VL-J, EEMB ER9V!
When using alkaline batteries, PU-R service life will significantly drop
(roughly 2-4 times).
