Kohler (MPAC 1500) 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
1Source N line neutral l1l0Volts ACword
2Source N line neutral L2 l0Volts ACword
3Source N line neutral l3l0Volts ACword
4Source E line neutral L1 l0Volts ACword
5Source E lineneutral l2l0Volts ACword
6Source E line neutral L3 l0Volts ACword
7Source N line voltage L1 L2Volts ACword
8Source N line voltage L2 L3Volts ACword
9Source N line voltage L3 L1Volts ACword
10Source E line voltage L1 L2Volts ACword
11Source E line voltage l2l3Volts ACword
12Source E line voltage L3 L1Volts ACword
13Source N frequencyHzword
14Source E frequencyHzword
15Current L1Ampsword
16Current L2Ampsword
17Current L3Ampsword
18Closed transition in phase degree deltaDegreesword
38Closed programmed transition override mode0 = Auto Override, 1 = Non-Automaticword
39Password for writing register 400420-32768word
40Synchronous voltage phase angle0-10 degreesword
41Synchronous voltage differential0%-5%word
42Synchronous frequency differential0.0Hz.-0.3Hz.word
43Service entrance type0 = None; 1 = Insulated Case Circuit Breaker, 2 = Molded Case Circuit Breaker, 3 = Contactorword
44Phase rotation actual0 = disabled; 1 = ABC; 2 = CBAword
45Phase rotation expected0 = disabled; 1 = ABC; 2 = CBAword
46Nominal normal voltageVolts ACword
47Nominal emergency voltageVolts ACword
48Nominal normal frequencyHzword
49Nominal emergency frequencyHzword
50Normal number of phases1 or 3word
51Emergency number of phases1 or 3word
52Rated amperage04000word
57Password for writing register 400570 32768word
58Normal engine start time delay0-10 secword
59Emergency engine start time delay010 secword
60Normal ext. Engine start time delay0-3600 secword
61Emergency ext. Engine start time delay03600 secword
62Normal engine cooldown0-3600 secword
63Emergency engine cooldown03600 secword
64Standby to preferred0-3600 secword
65Preferred to standby03600 secword
66Off (preferred to standby prog. Transition)0-3600 secword
67Off (standby to preferred prog. Transition)03600 secword
68Fail to acquire preferred1 -3600 secword
69Fail to acquire standby13600 secword
70Fail to synchronize1 -3600 secword
71Fail to synch. Enable0 = disabled; 1 = enabledword
74Active time delay word
75Active time delay remainingSecondsword
There are more MODBUS items for this device. Please, download the program.

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