Kohler (Decision Maker 550) logging - MODBUS registers map
The data can be automatically logged 24/7 into a database, CSV files, or Excel spreadsheets using the Advanced Serial Data Logger (for MODBUS RTU) or Advanced TCP/IP Data Logger (for MODBUS TCP) software. These tools provide continuous and reliable Kohler (Decision Maker 550) logging and log.
MODBUS offset
Description
Units
Data type
1
L2 L3 voltage
Volts AC
word
2
L3 L1 voltage
Volts AC
word
3
L1 l0 voltage
Volts AC
word
4
L2 l0 voltage
Volts AC
word
5
L3 l0 voltage
Volts AC
word
11
Percent of rated kw
% Rated kW
word
12
Total power factor
PF X 100
smallint
14
L1 power factor
PF X 100
smallint
16
L2 power factor
PF X 100
smallint
18
L3 power factor
PF X 100
smallint
19
Total kvar
kVAR
smallint
27
Current lead/lag
Bits 0-1 Total Current - Leading = 10 Lagging = 01 Bits 2-3 L1 Current Leading = 10 Lagging = 01 Bits 4-5 L2 Current - Leading = 10 Lagging = 01 Bits 6-7 L3 Current - Leading = 10 Lagging = 01
word
32
Oil pressure
kPa/psi
word
33
Coolant temperature
Degrees C/Degrees F
smallint
35
Local battery voltage
Volts DC X 10
word
36
Fuel pressure
kPa/psi DDEC/MDEC/ADEC only
word
37
Fuel temperature
Degrees C/Degrees F DDEC/MDEC/ADEC only
smallint
38
Fuel rate
Liters/Hour X 100 or Gallons/Hour X 100 DDEC only
word
39
Used last run
Liters/Gallons DDEC only
word
40
Coolant pressure
kPa/psi DDEC only
word
41
Coolant level
% X 10 DDEC only
word
42
Lube oil temperature
Degrees C/Degrees F DDEC/MDEC/ADEC/Waukesha only
smallint
43
Oil level
% X 10 DDEC only
word
44
Crankcase pressure
kPa/psi DDEC only
word
45
Ambient temperature
Degrees C/Degrees F DDEC only
smallint
46
Ecm battery voltage
Volts DC X 10 DDEC/MDEC/ADEC only
word
47
Ecm status
0 = DDEC-Equipped, 1 = Non-ECM, 2 = MDEC/ADEC-Equipped
word
48
Intake air temperature
Degrees C/Degrees F MDEC/ADEC/Waukesha only
smallint
49
Intake air pressure
Degrees C/Degrees F MDEC/ADEC only
word
50
Mdec/adec fault codes
Numeric Fault Code MDEC/ADEC only
word
60
Analog input 00 (battery voltage)
Volts DC
word
61
Analog input01
User-defined and calibrated through the 550 controller. See the controller operation manual.
word
There are more MODBUS items for this device. Please download the program to discover all registers.
