5.EXTERNAL GNSS FACILITY TESTS
No | Test | Description | Related requirements | |
---|---|---|---|---|
1. | Administrative examination | |||
1.1 | Documentation | Correctness of documentation | ||
2. | Visual inspection for external GNSS facility | |||
2.1. | Compliance with documentation | |||
2.2. | Identification/markings | 224 to 226 | ||
2.3 | Materials | 219 to 223 | ||
3. | Functional tests | |||
3.1 | Sensor identification data | 98,99 | ||
3.2 | External GNSS module — vehicle unit coupling | 123, 205 | ||
3.3 | GNSS position | 36, 37 | ||
3.4 | Vehicle unit interface when the GNSS receiver is external to the Vehicle Unit | 03 | ||
3.5 | Cypher suite and standardized domain parameters | CSM_48, CSM_50 | ||
4. | Environmental tests | |||
4.1 | Temperature | Verify functionality through:
| 213 | |
4.2 | Humidity | Verify that the vehicle unit can withstand a cyclic damp (heat test) through IEC 60068-2-30, test Db, six 24 hours cycles, each temperature varying from + 25 °C to + 55 °C and a relative humidity of 97 % at + 25 °C and equal to 93 % at + 55 °C | 214 | |
4.3 | Mechanical | 1. Sinusoidal vibrations. verify that the vehicle unit can withstand sinusoidal vibrations with the following characteristics:
This requirement is verified through IEC 60068-2-6, test Fc, with a minimum test duration of 3 × 12 hours (12 hours per axis) ISO 16750-3 does not require a sinusoidal vibration test for devices located in the decoupled vehicle cab. 2. Random vibrations: Test according to ISO 16750-3: Chapter 4.1.2.8: Test VIII: Commercial vehicle, decoupled vehicle cab Random vibration test, 10…2 000 Hz, RMS vertical 21,3 m/s2, RMS longitudinal 11,8 m/s2, RMS lateral 13,1 m/s2, 3 axes, 32 h per axis, including temperature cycle – 20…70°C. This test refers to IEC 60068-2-64: Environmental testing — Part 2-64: Tests — Test Fh: Vibration, broadband random and guidance 3. Shocks: mechanical shock with 3g half sinus according ISO 16750. The tests described above are performed on different samples of the equipment type being tested. | 219 | |
4.4 | Protection against water and foreign bodies | Test according to ISO 20653: Road vehicles — Degree of protection (IP code) — Protection of electrical equipment against foreign objects, water and access (No change in parameters) | 220, 221 | |
4.5 | Over-voltage protection | Verify that the vehicle unit can withstand a power supply of: | 216 | |
24 V versions: | 34 V at + 40 °C 1 hour | |||
12V versions: | 17 V at + 40 °C 1 hour | |||
( ISO 16750-2, chapter 4.3) | ||||
4.6 | Reverse polarity protection | Verify that the vehicle unit can withstand an inversion of its power supply (ISO 16750-2, chapter 4.7) | 216 | |
4.7 | Short-circuit protection | Verify that input output signals are protected against short circuits to power supply and ground (ISO 16750-2, chapter 4.10]) | 216 | |
5 | EMC tests | |||
5.1 | Radiated emissions and susceptibility | Compliance with Regulation ECE R10 | 218 | |
5.2 | Electrostatic discharge | Compliance with ISO 10605:2008 + Technical Corrigendum: 2010 + AMD1:2014: +/– 4kV for contact and +/– 8kV for air discharge | 218 | |
5.3 | Conducted transient susceptibility on power supply | For 24V versions: compliance with ISO 7637-2 + ECE Regulation No. 10 Rev. 3:
For 12V versions: compliance with ISO 7637-1 + ECE Regulation No. 10 Rev. 3:
Pulse 5 shall be tested only for vehicle units designed to be installed in vehicles for which no external common protection against load dump is implemented For load dump proposal, refer to ISO 16750-2, 4th edition, chapter 4.6.4. | 218 |