I General; Available Functions Codes; Modbus Mapping; Date And Time - envea Cairpol Cairsens Notice Technique

1 General
1.1 Overview
The official Modbus specification can be found at
Version
1.0.0
1.0.1 November 2020
1.2

Available functions codes

Code
03
06
16
23
2

MODBUS mapping

2.1 Information
Address
0 .. 9
10 .. 19
20 .. 29
30 .. 39
2.2

Date and time

Address
40
41
42
43
44
45
2.3 Cairsens
2.3.1

Internal parameters

Address
70
71
72 .. 73
74
© 2020 ENVEA
Date
July 2019
Action
Read holding registers
Write single holding register
Write multiple holding registers
Read and write multiples holding registers
Register
1 .. 10
11 .. 20
21 .. 30
31 .. 40
Register
41
42
43
44
45
46
Register Access
71 R
72 R/W
73 .. 74 R
75 R
www.modbus.org/specs.php
Comments
Initial manual
Fix address
Access
R
R
R
R
Access
R/W
R/W
R/W
R/W
R/W
R/W
Data
uint16
uint16
float
uint1
Data
String
String Version( ex 1.52 )
String
String Gaz ( ex CO ) or Dust
Data
uint16 Year ( ex 2019 )
uint16 Month ( 1 to 12 )
uint16 Day ( 1 to 31 )
uint16 Hours ( 0 to 23 )
uint16 Minutes ( 0 to 59 )
uint16 Seconds ( 0 to 59 )
Description
Fan Speed ( rpm)
Fan configuration( % )
Max Range ( ppb )
Life sensor aging state in %
General
3
Description
ENVEA
Serial
Description