
Interfaces to automation systems
8.2 Modbus interface
SITRANS SL
Operating Instructions, 12/2010, A5E01132948-04
141
8.2.4
Modbus adresses
8.2.4.1
Standard Modbus
●
The component value is transferred in IEEE 32 bit floating point format. SITRANS SL
uses two word registers representing a floating point value.
●
The measurement counter is transferred in 32 bit integer format. SITRANS SL uses two
Word-Registers representing a 32 bit integer value.
●
The time stamp fields (day, hour, minute, and second) are transferred in 16 bit integer
format. SITRANS SL uses one word register representing a 16 bit integer value.
Modbus addresses 30000 ... 39999
Modicon-
modbus-
address
Type
Data
Address
Description
30001
Input Register
0
Component 1 – Concentration
Measurement counter
30003
Input Register
2
Component 1 – Concentration
Quality
30004
Input Register
3
Component 1 – Concentration
Value
30006
Input Register
5
Component 1 – Concentration
Time stamp – Day
30007
Input Register
6
Component 1 – Concentration
Time stamp – Hour
30008
Input Register
7
Component 1 – Concentration
Time stamp – Minute
30009
Input Register
8
Component 1 – Concentration
Time stamp – Second
30010
Input Register
9
Component 2 – Transmission
Measurement counter
30012
Input Register
11
Component 2 – Transmission
Quality
30013
Input Register
12
Component 2 – Transmission
Value
30015
Input Register
14
Component 2 – Transmission
Time stamp – Day
30016
Input Register
15
Component 2 – Transmission
Time stamp – Hour
30017
Input Register
16
Component 2 – Transmission
Time stamp – Minute
30018
Input Register
17
Component 2 – Transmission
Time stamp – Second
30019
Input Register
18
Component 3 – Pressure
Measurement counter
Содержание SITRANS SL
Страница 106: ...Commissioning 6 4 Modbus configuration for SITRANS SL SITRANS SL 108 Operating Instructions 12 2010 A5E01132948 04 ...
Страница 206: ...List of abbreviations SITRANS SL 208 Operating Instructions 12 2010 A5E01132948 04 ...
Страница 212: ...Glossary SITRANS SL 214 Operating Instructions 12 2010 A5E01132948 04 ...