Table 1: version 1 modbus mapping, Table 2: version 2 modbus mapping, N table 1: version 1 modbus mapping – Trebor Quantum Series Di Water Heater User Manual
Page 30
PAGE 30
QUANTUM DI HEATER OPERATION / MAINTENANCE MANUAL
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Name
Addr Bank 1 Addr Bank 2 Addr Bank 3 Addr Bank 4 Type Data Bytes Perm
Set Point
16404
16529
16654
16779
Reg Short
2
RW
Process Temperature
16405
16530
16655
16780
Reg Float
4
R
Duty Cycle
16429
16554
16679
16804
Reg Float
4
R
Communication Status
21384
Reg Bool
2
R
Mode
16389
16514
16639
16764
Reg Bool
2
R
Remote Heater Power
16387
16512
16637
16762
Reg Bool
2
RW
Heater Power Status
16384
16509
16634
16759
Reg Bool
2
R
Alarm Status
16392
16517
16642
16767
Reg Bool
2
R
Alarm Liquid Level
16394
16519
16644
16769
Reg Bool
2
R
Alarm Liquid Leak
16396
16521
16646
16771
Reg Bool
2
R
Alarm Over Temp
16397
16522
16647
16772
Reg Bool
2
R
Alarm Thermocouple
16395
16520
16645
16770
Reg Bool
2
R
Alarm Pressure
16393
16518
16643
16768
Reg Bool
2
R
Table 1: Version 1 Modbus Mapping
Name
Addr Bank 1 Addr Bank 2 Addr Bank 3 Addr Bank 4 Type Data Bytes Perm
Set Point
1049
1149
1249
1349
Reg Short
2
RW
Process Temperature
1051
1151
1251
1351
Reg Short
2
R
Duty Cycle
1067
1167
1267
1367
Reg Short
2
R
Communication Status
21384
Reg Bool
2
R
Mode
449
549
649
749
Coil Bool
1
R
Remote On
453
553
653
753
Coil Bool
1
RW
Remote Off
454
554
654
754
Coil Bool
1
RW
Heater Power Status
452
552
652
752
Coil Bool
1
R
Alarm Status
457
557
657
757
Coil Bool
1
R
Alarm Liquid Level
458
558
658
758
Coil Bool
1
R
Alarm Liquid Leak
459
559
659
759
Coil Bool
1
R
Alarm Over Temp
460
560
660
760
Coil Bool
1
R
Alarm Thermocouple
461
561
661
761
Coil Bool
1
R
Alarm Pressure
463
563
663
763
Coil Bool
1
R
Element Status
462
562
662
762
Coil Bool
1
R
Table 2: Version 2 Modbus Mapping