4
sensing.honeywell.com
Installation Instructions for the
Wireless Hazardous Area Limit Switches, WBX Series
ISSUE 3
50096377
2 SPECIFICATIONS
2.1
Radio Module Specifications
Table 3 – Radio Module Specifications
Item
Specification
Radio module
Honeywell RF-PCBa
Wireless standard
IEEE Standard: 802.15.4; 2.4 GHz
global, license-free bands
Data rate
250 kbps
Operating fre-
quency
ISM 2.4 GHz, global, license-free band
Module transmit
power (max.)
Country code A: 14 dBm max;
Country code B: 8 dBm max
Receive sensitivity
(typ.)
-98 dBm
m
WARNING
The WBX must be installed in accordance with the
requirements specified in this document in order to
comply with the specific Country Communication Agency
requirements (i.e., FCC, IC, ETSI, ACMA)
Specific Conditions of Safe Use:
• Aluminum enclosure – Care should be taken to minimize the
risk of ignition due to impact or friction.
• Potential electrostatic discharge – Clean product only with a
damp cloth.
• The metal “S-shaped” clamp which provides securement of
the cover to the enclosure housing shall always be secured in
place, when product is in use.
• Do not open when an explosive atmosphere may be present.
• Do not replace the battery when an explosive atmosphere is
present.
• Use only Honeywell battery P/N: WBT7; approved battery
manufacturers: Xeno Energy – XL-060F; Tadiran – TL-
5903/S; or Bi-Power ER14505H batteries.
,
ATTENTION
IEC 60079-0:2007-10 and IEC 60079-11:2006 were
applied to the integral component fuse, Part No.
0259.125TX913 manufactured by Littelfuse. There are no
significant safety related changes between these editions
and the later editions of the standards noted under the
“Standards” section of this document.
2.2
Electrical Specifications
Table 4 – Electrical Specifications
Item
Specification
Battery
3.6 Vdc Lithium Thionyl Chloride; AA size, Qty: 2
Manufacturer: Honeywell, WBT7;
Xeno Energy, P/N XL-060F; Tadiran, P/N TL-
5903/S; Bipower, P/N: ER14505H
CAUTION
Do not mount or remove the antenna when batteries are
present in WBX product as damage could occur to the WBX
electronics and/or ignite the surrounding hazardous atmo-
sphere.
2.3
EMC Specifications
The latest applicable EMC Standards are as follows:
•
EN 300 328, V1.8.1
•
EN 61326-1 (2013)
•
EN 301 489-1, V1.9.2
•
EN 301 489-17, V2.2.1
,
ATTENTION
The antenna cables should not be modified (i.e. cut short
and/or re-terminated) as it may affect Communication
Agency approval. Approved antennas (refer to Section 6.2)
are the only antennas allowed for use with the WBX.
2.4
Functional Specifications
Table 5 – Functional Specifications
Item
Specification
High temperature endur-
ance
70 °C; 10,000 cycles; 15 cpm
Low temperature endur-
ance
-40 °C; 10,000 cycles; 15 cpm
Electrical/mechanical life
25 °C; 1 million operating
cycles
,
ATTENTION
The WBX cannot be used in a portable application. It must
be used in a fixed location.