Test & Measurement

Smartphone/tablet app connects to CAN measuring data

16th April 2014
Mick Elliott

With IPEhub2 and the IPEmotion App IPETRONIK offers a convenient solution for graphical and alphanumeric display of CAN measuring data on a smartphone or tablet using a WiFi connection. Users thus can visualise their measurement projects on an Android device very easy. IPEhub2 acts as CAN-WiFi-Gateway and transfers CAN bus data (e.g. from IPETRONIK CAN modules or the vehicle CAN bus) using WiFi.

Two CAN bus data streams are converted to encrypted WiFi data and wirelessly transferred to a tablet or smartphone running the IPEmotion App according to WiFi Standard 802.11 a/b/g/n. IPEmotion 2014 features an IPEmotion App export, so custom IPEmotion configurations can be used in the Android application conveniently. Data visualisation type and extent (curve, bargraph, alphanumeric, LED) are to be set individually via IPEmotion App.

Parallel to wireless data transfer, traffic data are stored on the FIFO of the SD card included in IPEhub2. Customers can choose between SSID (Service Set Identifier) and WPA2- (WiFi Protected Access 2) encryptions; WPS- (WiFi Protected Setup) function is supported for initial setup. The IPEhub2 module uses a gold anodised aluminum enclosure of 106 mm x 43 mm x 62 mm (W x H x D) in modern M2 design.

It supports IP54 protection class as well as an operating temperature range of -40°C to +85°C at a relative humidity of 5 to 95%. A supply voltage in the range of 9 VDC to 36 VDC is required, whereby the module still works down to the lower limit of 6 VDC once powered up. The power input is typically 4.0 watts. Two multi-colour status LEDs indicate operating states of WiFi (signal strength) and data storage (memory usage).

IPEhub2 also supports Access Point functionality with DHCP server and a CAN2 terminating resistor that can be connected via software. The New IPEmotion App offers many benefits like quick and easy measuring data display, connection of vehicle CAN interface to any Android device, display function for IPETRONIK data loggers and high data security by data storage directly on IPEhub2. No laptop or PC is required and measurement chain verification is simplified. The app uses the same display settings used as in IPEmotion and can be configured by means of IPEmotion software.

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