485 | 232 | |
Network interface | √ | √ |
Video interface | √ | √ |
Vehicle door switch | √ | √ |
Communication interface | RS485 | RS232 |
Project | Equipment Parameters | Performance Indicators |
Power supply | DC12~36V | Voltage fluctuations of 15% allowed |
Power consumption | 3.6W | Average power consumption |
System | Operating Language | Chinese/English/Spanish |
Operation interface | C/S operation configuration mode | |
Accuracy rate | 95% | |
External interface | RS485 interface | Custom baud rate and ID, multi machine network supported |
RS232 interface | Custom baud rate | |
RJ45 | Device debugging, http protocol transmission | |
Video output | PAL, NTSC system | |
Operating temperature | -35℃~70℃ | In well ventilated environment |
Storage temperature | -40~85℃ | In well ventilated environment |
Average failure-free time | MTBF | More than 5,000 hours |
Installation height | 1.9~2.2m | |
Environment illuminance | 0.001 lux (dark environment) ~ 100klux (outdoor direct sunlight), no fill-in light needed, accuracy rate not affected by environment illumination. |
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Earthquake resistance level | Meets national standard QC/T 413 "Basic technical conditions for automotive electrical equipment" |
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Electromagnetic compatibility | Meets national standard QC/T 413 "Basic technical conditions for automotive electrical equipment" |
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Radiation protection | Meets EN 62471: 2008 “Photo-biological safety of lamps and lamp systems” |
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Degree of protection | Meets IP43 (completely dust-proof, anti-waterjet intrusion) | |
Heat dissipation | Passive structural heat dissipation | |
Size | 178mm*65mm*58mm |
Name | Length | Meaning | Explanation and Demonstration |
STX | 1 | Start symbol | Corresponding hexadecimal is 0x02 |
ID | 4 | 485ID address | |
CM | 2 | 11 (corresponding hexadecimal 0x31 0x31) 22 (corresponding hexadecimal 0x32 0x32) |
|
LEN | 2 | data length | 01 (corresponding hexadecimal 0x31 0x31) DATA1data length is 1 02 (corresponding hexadecimal 0x32 0x32) DATA1data length is 2 |
DATA1 | LEN | Data 1 | 01 (0x30 0x31) corresponding LEN is 1 0102 (0x30 0x31 0x30 0x32) corresponding LEN is 2 |
DATA2 | LEN | Data 2 | System reservation |
CHK | 2 | Checksum | No-carry accumulative sum of all data after STX and before ETX. Transform to ASCII code, if checksum is 0x12, then checksum ASCII code is 0x31 0x32 |
ETX | 1 | End symbol | correspondinghexadecimal is 0x03 |
STX | ID | CM | LEN | DATA1 | DATA2 | CHK | ETX |
0x02 | 0x30 0x300x30 0x31 | 0x31 0x32 | 0x30 0x30 | 无 | 无 | 0x31 0x33 | 0x03 |
STX | ID | CM | LEN | DATA1 | DATA2 | CHK | ETX |
0x02 | 0x30 0x300x30 0x31 | 0x39 0x32 | 0x30 0x31 | 0x30 0x36 | 无 | 0x39 0x41 | 0x03 |
STX | ID | CM | LEN | DATA1 | DATA2 | CHK | ETX |
0x02 | 0x30 0x300x30 0x32 | 0x39 0x32 |
0x30 0x31 |
STX | ID | CM | LEN | DATA1 | DATA2 | CHK | ETX |
0x02 | 0x30 0x300x30 0x31 | 0x31 0x33 | 0x30 0x30 | 无 | 无 | 0x31 0x34 | 0x03 |
STX | ID | CM | LEN | DATA | DATE | CHK | ETX |
0x02 | 0x30 0x300x30 0x31 | 0x39 0x33 | 0x31 0x30 | 0x30 0x300x300x30 0x30 0x30 0x32 0x32 0x30 0x300x300x30 0x30 0x30 0x32 0x33 |
0x30 0x300x300x30 0x30 0x300x300x30 0x30 0x300x300x30 0x30 0x300x300x30 |
0x45 0x39 | 0x03 |