YSI DIQ/S 182-MOD System 182 - Manual (Page 124)

Modbus connection System 182
7 - 12 ba76025e01 02/2012
Response with all sensor information of the sensor S02:
Modbus response
Byte Value Information Meaning of the value
1 01h Modbus address of the
DIQ/S 182-MOD 01h --> 1
2 04h Function 04h --> 4
Read Input Register
3 10h Number of bytes 10h --> 16
16 Byte (8 registers)
4 02h Contents of register 9
(HI)
= sensor number 02h (Int 8) --> 2
Sensor number S02
5 02h Contents of register 9
(LO)
= sensor status 02h (Int 8) --> MEASURE
6 04h Contents of register 10
(HI)
= sensor model
0401h (Int 16)
--> VisoTurb 700 IQ
7 01h Contents of register 10
(LO)
= sensor model
8 00h Contents of register 11
(HI)
= status info
0000h (Int 16)
--> no errors
9 00h Contents of register 11
(LO)
= status info
10 00h Contents of register 12
(HI)
= measuring mode 00h (Int 8) --> FNU Turb
11 14h Contents of register 12
(LO)
= measured value
status 14h (Int 8)
Main measured value (bits
7-4):
1h --> VALID
Secondary measured
value (bits 3-0):
4h --> MISSING