ETC/OBE inspection system in car production line ME8901
- This system is used for conducting tests after ETC OBE is installed in car.
- It is optimum for a production line.
※The above is a typical example.
The system consists of the following segments. Refer to "System diagram"
- DSRC antenna：ME9301 (Modified)
- Interface BOX：ME9302 (Modified)
- Dedicated IF cable：ME9303
- Start switch
- Switch cable(For connecting to the DI connector of modified ME9302)
- Lamp cable (For connecting to the DO connector of modified ME9302)
2.DSRC antenna (modified ME9301)
Performs a test by wirelessly communicating with ETC/OBE.
|Wireless section||Transmission frequency||5.795GHz(CH1), 5.805GHz(CH2)|
|Transmission power||0.6mW -50%/+20%|
|Modulation method||ASK modulation|
|Communication standard||ARIB STD-T75 compliant|
|Power supply||Input voltage||approx. 6.6VDC|
|Power consumption||approx. 1.5W|
|Interface||RS-422A compliant to connect with modified ME9302|
|Other||Operating temperature||-20 to 50℃|
|Dimensions||175Wx45Dx130H(mm)(excluding mounting bracket)|
|Weight||approx. 1kg (including mounting bracket)|
|Water proof||IP67 equivalent, suitable for outdoor installation|
3.Interface BOX (modified ME9302)
Register and control a dedicated scenario in modified ME9302.
|Interface||RS-422A compliant to connect with modified ME9301|
|Power supply||Input voltage||approx. 9VDC (Using dedicated AC adaptor MA400. Input voltage from 100 to 240VAC.)|
|Power consumption||approx. 3.5W (including power consumption of modified ME9301)|
|DI (digital input)||Number of inputs||1|
|Input form||Photo coupler|
|On-state voltage||+9V (Supplied inside modified ME9302)|
|Input current at on-state||approx. 4mA|
|DO (digital output)||Number of outputs||2|
|Output form||Photo MOS relay|
|Maximum load voltage||60V(AC,DC)|
|Max. continuous load current||210mA(150mA＠50℃)|
|Off leakage current||1μA(max)|
|Operating time||0.6ms typ., 2ms max @ only Photo MOS relay|
|Recovery time||0.06ms typ., 0.2ms max @ only Photo MOS relay|
|Other||Operating temperature||0 to 50℃|
4.Dedicated I/F cable ME9303
|Length||25m (Optional up to 100m max.)|
Power is turned on by connecting each device and connecting the AC adapter of modified ME9302 to the power supply. After that, the scenario recorded internally is activated and the test can be started.
The test is started by pulling the start switch.
|Green||Blinking for 5 seconds||Off|
|Red||Off||Blinking for 5 seconds|
3.Modified ME9302 LED
|Low speed (0.5Hz) blinking||Normal||－|
|Solid||Abnormal||Check that the ME9303 is securely connected to the modified ME9301 and ME9302, and then turn on the power again.|
|High Speed (2Hz) blinking||RSU carrier detection||Check if another DSRC tester (RSU) is running in the test area.|
By input to DI1 from the start switch, CH1 (TX: 5.795GHz / RX: 5.835GHz) test start and then CH2 (TX: 5.805GHz / RX: 5.845GHz) test start continuously. The result is output to DO1 if it passes, and to DO2 if it fails.
If CH1 test fails, CH2 test will not start.
- Products Catalog
- Application note
- Technical report
*MICRONIX Corporation reserves the right to make changes in design, specification and other information without prior notice.