P3 - Pakscan Master Station Technical Manual
28 of 136 Publication PUB059-002-00 Issue 06/15
3.1 Wireless Site Survey
The first step in setting up a wireless network will be a Wireless Site Survey, which would be
performed by Rotork Personnel. This will establish the suitability of the site for a wireless network. The
survey will establish the levels of background wireless signals within the spectrum of the 2.4 GHz
band used for the P3 wireless network and also the potential strength of the wireless signals between
the actuator and P3W coordinator locations. This will aid in positioning the P3W coordinator and in
deciding upon the need for P3W repeaters.
As a result of the survey, one or more channels within the band will be found to be suitable for the
network. All devices on the network will be shipped with a default channel set.
3.2 Wireless Specification
Network Based on: IEEE 802.15.4, DSSS (Direct Sequence Spread Spectrum).
Maximum Wireless devices: 60.
Frequency: 2.4GHz band.
Operating Range: 30m indoors, 100m outside.
Network Structure: Mesh.
Channels available: 16. (Currently 13 are useable).
Security: AES and anti-spoofing.
Power: 10mW default, potential for 100mW if the location allows.
3.3 Connecting Up
The IQ and IQT actuators fitted with a wireless module will only require mains power connections and
the appropriate glands for the environment to be connected to them. Where a P3W WMA is supplied,
power is required to be provided by the user and the user must also provide the necessary cable and
glands between the WMA and the device to which it is attached. A P3W repeater also only requires a
power cable and glands supplied by the user. The power required for the P3W Repeater and P3W
WMA will be indicated on the serial label.
Figure on the next page shows the master station block diagram.
The site survey will have indicated the appropriate position to locate the P3W coordinator(s) and any
P3W repeaters. Once all the equipment is in place, the user can then proceed to Section 8.2 for
commissioning instructions.
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