Wireless Features Of The Easy Way System - Carel easy way aria User Manual

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7. WIRELESS FEATURES OF THE EASY WAY SYSTEM

• Maximum distance between Access Point and terminals/sensors in an
open fi eld (outdoors): 100 m;
• maximum distance between Access Point and terminals/sensors with
fi eld of sight (indoors): 50 m;
• transmission frequency: selectable from 2405 to 2480Mhz;
• number of channels available: 16 ;
• transmission power: 0 dBm;
• wireless protocol: ZigBee;
• physical layer: 802.15.4;
• reception sensitivity: -90 dB;
• maximum current: 35 mA;
• current in standby: 1 μA;
• domain levels: 7;
• maximum number of wireless network devices 199, of which:
– 15 Access Point;
– 184 terminals + sensors;
• maximum 5 repeaters in cascade connection;
• maximum no. of devices connectable to each access point 60, of which:
– 24 terminals/sensors connectable directly to the access point;
– 8 Repeaters, connectable directly to the access point;
– 24 terminals/sensors, connectable directly to each repeater.
Example:
Key:
Access Point
Repeater
terminals/sensors
easy way ARIA +030220841 - rel. 1.0 - 26.10.2007
Fig. 7.a
1st level dominion
2nd level dominion
3th level dominion
40