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Kohler (Decision Maker 3500) data logging - MODBUS registers map


The following data can be automatically logger 24x7 to a database, CSV files or Excel with the help of the Advanced Serial Data Logger (for MODBUS RTU) or Advanced TCP/IP Data Logger (for MODBUS TCP) software.

MODBUS offset
Description
Units
Data type
1
Rms generator voltage L2 L3
%
word
2
Rms generator voltage L3 L1
%
word
3
Rms generator voltage line to line average
%
word
4
Rms generator voltage L1 N
%
word
5
Rms generator voltage L2 N
%
word
6
Rms generator voltage L3 N
%
word
7
Rms generator voltage line to neutral average
%
word
8
Rms generator current L1
%
word
9
Rms generator current L2
%
word
10
Rms generator current L3
%
word
11
Rms generator current average
%
word
12
Generator frequency
100
word
13
Generator real power L1
%
smallint
14
Generator real power L2
%
smallint
15
Generator real power L3
%
smallint
16
Generator total real power
%
smallint
17
Generator reactive power L1
%
smallint
18
Generator reactive power L2
%
smallint
19
Generator reactive power L3
%
smallint
20
Generator reactive power
%
smallint
21
Generator apparent power L1
%
word
22
Generator apparent power L2
%
word
23
Generator apparent power L3
%
word
24
Generator apparent power
%
word
25
Generator power factor L1
pF
smallint
26
Generator power factor L2
pF
smallint
27
Generator power factor L3
pF
smallint
28
Generator power factor
pF
smallint
29
Generator phase angle voltage L1 voltage L2
D
smallint
30
Generator phase angle voltage L1 voltage L3
D
smallint
31
Generator phase angle voltage L1 current L1
D
smallint
32
Generator phase angle voltage L2 current L2
D
smallint
33
Generator phase angle voltage L3 current L3
D
smallint
43
Rms bus voltage L1 L2
%
word
44
Rms bus voltage L2 L3
%
word
45
Rms bus voltage L3 L1
%
word
46
Rms bus voltage average line to line
%
word
47
Total bus real power
%
smallint
48
Total bus reactive power
%
smallint
49
Bus frequency
100
word
51
Phase angle generator voltage L1 bus voltage L1
D
smallint
52
Speed bias
%
smallint
53
Voltage bias
%
smallint
110
Engine run speed
RPM
word
512
Total number of starts
 
word
513
Total runtime hours since maintenance lw
hr
word
515
Total loaded hours since maintenance lw
hr
word
517
Total kw hours since maintenance lw
kWh
word
519
Last maintenance day, month
Day of Month, Month of Year
word
520
Last maintenance year
16 bit year
word
There are more MODBUS items for this device. Please download the program to discover all registers.

Note: Products and companies mentioned here are used only for definition and identification purposes and can be trademarks and/or registered trademarks of the respective companies.

Download MODBUS RTU data logger
Download MODBUS TCP data logger