User Guide

User Guide
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4.2 Modbus Register
Parameter
Register
Address
Type
Function
Code
Range and Descript
Default
Read-only Register
Air
Temperature
0x0000
int16
(complement),
read-only
3、4
Value=Register Value * 0.01
Unit: ℃
N/A
Air Humidity
0x0001
uint1,
read-only
3、4
Value= Register Value * 0.01
Unit: %RH
N/A
Barometric
Pressure
MSB
0x0002
uint16,
read-only
3、4
Value=(uint32)(Register 0x0002 << 16 +
Register 0x0003)
Unit: Pa
N/A
Barometric
Pressure
LSB
0x0003
uint16,
read-only
3、4
N/A
Light
Intensity
MSB
0x0004
uint16,
read-only
3、4
Value =((uint32)( Register 0x0004 << 16
+ Register 0x0005)) * 0.001
Unit: Lux
N/A
Light
Intensity
LSB
0x0005
uint16,
read-only
3、4
N/A
Device Type
0x0006
uint16,
read-only
3、4
4：SenseCAP ORCH S4
3：SenseCAP ORCH S3
1：Light Intensity Sensor
N/A
Version
0x0007
uint16,
read-only
3、4
High Byte: Hardware Version
Low Byte: Software Version
N/A
Protocol Configuration Register
Modbus
Slave
Address
0x0010
uint16,
read-only
3、6
1 ~ 247
1
Baud Rate
0x0011
uint16,
read-only
3、6
0 ~ 7
0：1200bps
1：2400bps
2：4800bps
3：9600bps
4：19200bps
5：38400bps
6：57600bps
7：115200bps
3
Parity
0x0012
uint16,
3、6
0 ~ 2
0