WESTLOCK CONTROLS CORPORATION
280 MIDLAND AVENUE, SADDLE BROOK, NJ 07663 TEL: 201-794-7650 FAX: 201-794-0913
www.westlockcontrols.com
1/24/12 TECH-455/D.W.O. 19909 Page 13 of 24
Indicates ZigBee transmission is taking place.
Indicates that the valve is not fully open.
Indicates that the valve is not fully closed.
Indicates that the WD is registered on the network and has a
WG recipient address.
During special operations such as: ON, OFF, calibrate and LF commands from the Handheld
(WH), a flashing sequence of LEDs is activated. (Online Open Close).
All LEDs' blink every 30 seconds (configurable by WMS between 3 and 100 seconds) to
indicate that is alive.
The green Tx LED blinks every transmission (15 minutes for housekeeping, configurable).
Additionally, at every change in the valve's position > 1.5 deg (angle):
o OPEN green LED blinks if fully open.
o OPEN and CLOSE LEDs blink for a “partially open” valve.
o OPEN and CLOSE LEDs stay off for an “undefined position” of the valve.
o CLOSE red LED blinks if fully closed.
2.1.3 WD Specifications
The specifications for the WD are provided in the following table.
Wireless Communication (RF)
Two way Radio – IEEE 802.15.4 – 2006 at 2.4 GHz.
Internal +2 dBi peak. Optional external antenna F-SMA connector
(WD mounted or remote)
Communication range
WD to WG/WR
Open space: about 70m
Indoors at obstructed environment: about 25 m.
Less than 0.1 sec in average (assuming one hop)
Angle of measurement of valve stem position.
Transmits its status immediately when valve has moved more than
1.50 degrees or every 15 minutes (configurable).
Between 30 msec to 10 minutes (user selectable in discrete steps)
Quarter turn: -10.0 to +100.0 degrees
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