AT20 Online Dual-spectrum Thermal Camera User Manual
17
10.
Protocol Introduction
10.1 Modbus TCP
This camera supports Modbus TCP protocol for transmitting
temperature measurement information.
M12 8-pin to RJ45 cable is required when using this protocol.
IP
Camera IP(default: 192.168.1.20
）
Port
1502
Register
Address
R/W Length(word)
Data
0x0001
R
2
Version No.
，
e.g.0x0102 0x0304 = V1.2.3.4
0x0003
R
1
0x0004
R
1
0x0005
R
1
0x0006
R
1
0x0007
R
2
the highest temperature of the entire frame,
the actual temperature = (register value-2732) / 10.0
0x0009
R
2
the average temperature of the entire frame
0x000B
R
2
the lowest temperature of the entire frame
N*4
R
1
Region attributes,
Bit0: region validness
Bit1
～
2: region type, box=0,line=1,point=2
Bit3: whether temperature alarm is on
Bit4:whether to trigger an alarm
N*4
R
1
the highest temperature in the region
N*4
R
1
the average temperature in the region
N*4
R
1
the lowest temperature in the region
*N
：
0
～
15
