Figure 8.2
Block diagram of a system controlled by a Windows PC. The GW65 Gateway
communicates with the SV87 Sensor using Bluetooth and with the smart phone through a Wi-
Fi router. The PC is shown communicating with the network using a direct Ethernet
connection.
8.3
Preparing a Communications System
During setup, the gateways, sensors, and mobile devices must be in close
proximity. As detailed below:
• The mobile device must be within 30 cm (12 inches) of the gateway during
setup.
• The sensors must be kept within 1.5 m (5 feet) of the gateway during setup.
When planning a test configuration it is useful to understand the equipment hi-
erarchy, as you will be prompted in the applications for equipment names,
classifications, types, etc. The hierarchy and definitions are as follows:
• Group: Sensor groups are collections of sensors in a test area.
• Assets: Machinery under test. Assets require names, types (pump, for ex-
ample), and ISO 108616–1 classification (see chart in the apps). Photos of
assets can be added by mobile device during configuration.
• Test Points: Location and position of sensors on an asset.
With the information covered in this section, a site map and equipment list
should be created and maintained. This will ensure that you know where all
gateways, sensors, and other equipment are located when performing
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