Kohler (MPAC 1000) logging. MODBUS registers map.


This data is being extracted with the help of the Advanced Serial Data Logger (MODBUS RTU,ASCII) or Advanced TCP/IP Data Logger (MODBUS TCP) software only. It may not applicable for other software titles.

MODBUS offsetDescriptionUnitsData type
1Sourcea line neutral L1 l0Volts ACword
2Sourcea line neutral L2 l0Volts ACword
3Sourcea line neutral L3 l0Volts ACword
4Sourceb line neutral L1 l0Volts ACword
5Sourceb line neutral L2 l0Volts ACword
6Sourceb line neutral L3 l0Volts ACword
7Sourcea line voltage L1 L2Volts ACword
8Sourcea line voltage L2 L3Volts ACword
9Sourcea line voltage L3 L1Volts ACword
10Sourceb line voltage L1 L2Volts ACword
11Sourceb line voltage L2 L3Volts ACword
12Sourceb line voltage L3 L1Volts ACword
13Sourcea frequencyHzword
14Sourceb frequencyHzword
23Sourcea nominal voltageVolts ACword
24Sourceb nominal voltageVolts ACword
25Sourcea nominal frequencyHzword
26Sourceb nominal frequencyHzword
27Sourcea number of phases1 or 3word
28Sourceb number of phases1 or 3word
29Rated amperage0-4000word
31Sourcea engine start time delay (id 0x0001)0-6 secword
32Sourceb engine start time delay (id 0x0002)0-6 secword
33Sourcea ext engine start time delay (id 0x0003)0-5999 secword
34Sourceb ext engine start time delay (id 0x0004)0-5999 secword
35Sourcea engine cooldown time delay (id 0x0005)0-5999 secword
36Sourceb engine cooldown time delay (id 0x0006)0-5999 secword
37Preferred to standby time delay (id 0x0007)0-5999 secword
38Standby to preferred time delay (id 0x0008)0-5999 secword
39Off to preferred time delay (id 0x0009)0-5999.9 secword
40Off to standby time delay (id 0x000a)0-5999.9 secword
41Acquire standby source (id 0x000b)1-5999 secword
42Inphase monitor synch (id 0x000c)1-5999 secword
44Sourcea over volt dropout trip point105 - 135) % of rated source voltageword
45Sourcea over volt pickup trip point95 - 100)% of over voltage dropout pointword
46Sourcea under volt pickup trip point85 - 100) % of rated source voltageword
47Sourcea under volt dropout trip point75 - 98) % of overvoltage pickup pointword
48Sourcea voltage debounce timeSecword
49Sourceb over volt dropout trip point105 - 135) % of rated source voltageword
50Sourceb over volt pickup trip point95 - 100)% of over voltage dropout pointword
51Sourceb under volt pickup trip point85 - 100) % of rated source voltageword
52Sourceb under volt dropout trip point75 - 98) % of overvoltage pickup pointword
53Sourceb voltage debounce timeSecword
54Sourcea over freq dropout trip point101 -105) % of overfreq pickup pointword
55Sourcea over freq pickup trip point105 - 120) % of rated source freqword
56Sourcea under freq dropout trip point95 - 99) % of underfreq pickup pointword
57Sourcea under freq pickup trip point80 - 95)% of rated system frequencyword
58Sourcea freq dropout timeSecword
59Sourceb over freq dropout trip point101 -105) % of overfreq pickup pointword
60Sourceb over freq pickup trip point105 - 120) % of rated source freqword
There are more MODBUS items for this device. Please, download the program.

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