Rotork Controls P3W-001 Pakscan 3 Wireless Field Control Unit User Manual Antenna Information

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Document ID	1822067
Application ID	+FEIDHt4CNfMFJKW+cFZwA==
Document Description	Antenna Information
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	1.84kB (23031 bits)
Date Submitted	2012-10-24 00:00:00
Date Available	2012-10-24 00:00:00
Creation Date	2012-10-24 10:21:08
Producing Software	doPDF Ver 7.3 Build 382 (Windows 7 Business Edition (SP 1) - Version: 6.1.7601 (x64))
Document Lastmod	0000-00-00 00:00:00
Document Title	Antenna Information

rotork engineering report
Title:
Circulation Copy:
Number: ER436
Revision:
Page of 1 of 4
Date: 14/10/2010
Pakscan 3 Wireless: Aerial Specification
Revision 1
Prepared
MWH
Checked
Paul Davis
Approved
Tom Hannon
14/10/10
14/10/10
14/10/10
Synopsis Only:
Revision Notes:
Synopsis:
This specification defines the requirements for a 2.4GHz aerial for use with the
Pakscan 3 Wireless system. The aerial will be suitable for both WT and EP
applications.
rotork engineering report
Number: ER436
Revision:
Page of 2 of 4
Date: 14/10/2010
Contents
1.
INTRODUCTION................................................................................................. 3
2.
FUNCTIONAL REQUIREMENTS ....................................................................... 4
3.
ENVIRONMENTAL ............................................................................................. 4
3.1
3.2
3.3
3.4
TEMPERATURE ............................................................................................... 4
VIBRATION ..................................................................................................... 4
SHOCK .......................................................................................................... 4
SEISMIC ......................................................................................................... 4
rotork engineering report
Number: ER436
Revision:
Page of 3 of 4
Date: 14/10/2010
1. Introduction
There is a requirement for a 2.4GHz band aerial, for use with industrial wireless
networking, with approval for use in potentially explosive atmospheres. (ATEX, FM,
CSA hazardous area certification)
The aerial will mount in a standard conduit entry with an M25 thread.
rotork engineering report
Number: ER436
Revision:
Page of 4 of 4
Date: 14/10/2010
2. Functional Requirements
1) The aerial shall be designed to operate over the 2.4GHz ISM band. (i.e. from
2.400 GHz to 2.4835 GHz)
2) The aerial shall mount in a PTFE cover tube manufactured to Rotork drawing
49725
3) The aerial shall have 200mm of RG174 cable connected.
4) The RG174 cable will be terminated with an SMA male plug (normal polarity).
5) The horizontal radiation pattern shall be omni-directional +/- 1dB. (It is
intended that the aerial be mounted with the conducting elements vertical,
giving a vertically polarised electric field component.)
6) The nominal gain should be 0dBd.
7) The nominal feed impedance shall be 50 ohms.
8) The SWR is to be less than 1.5:1 over the frequency range 2.400 GHz to
2.4835 GHz.
3. Environmental
3.1 Temperature
-40°C to +70°C Actuator Ambient. Assume 10°C temperature rise internally
3.2 Vibration
Plant Induced -The equipment is to be suitable for use in environments where
the cumulative level of all vibration within the frequency range 10 - 1,000 Hz.
is less than 1g rms.
3.3 Shock
Functional after 5 positive and 5 negative impacts, of half sine wave pulses,
applied in each perpendicular axis. Pulse to be 5g for 11ms duration with
a10% pre & post pulse. Tests to be carried to BS EN 60068-2-27.
3.4 Seismic
2g acceleration over a frequency range of 1 to 50Hz if operating during and
after event, 5g if it is required to maintain structural integrity.

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