
6 Configuration
Installation manual
29
EKMBPP1
Modbus adapter
4P720139-1B – 2023.09
Input register
Address
Name
Range
Description
I0024
30025
Filter Alarm
0~1
▪ 0: No alarm
▪ 1: At least one unit with filter
alarm
I0025
30026
Return Air Min
°C × 100
Minimum of all unit return air
temperatures
I0026
30027
Return Air Max
°C × 100
Maximum of all unit return air
temperatures
I0030
30031
Thermo On
0~3
Summary of unit operation:
(a)
▪ 0: Idle/Fan
▪ 1: Heating
▪ 2: Cooling
▪ 3: Heating and cooling
I0035
30036
Defrost
0~1
▪ 0: No defrost
▪ 1: At least 1 unit in defrost
(b)
(a)
When there is a mix of units in Idle/Fan and Heating operation mode,
the register will read 1 (Heating). When there is a mix of units in Idle/
Fan and Cooling operation mode, the register will read 2 (Cooling).
(b)
Indicates an indoor unit in pressure equalisation, Hot start/Pre-heat, or
an outdoor unit in Defrost operation.
6.5.3
Unit readback
Unit data is available for each of the indoor units connected to the P1P2
network. The first two digits of the unit input register indicate the indoor
unit number ((0~15)+1=1~16). The unit number (+1) is multiplied by
100, and an offset is added to the number to indicate a specific feature.
Input register
Name
Range
Notes
Unit 1
…
Unit 16
I0120
…
I1620
Unit exists
0~1
▪ 0: No unit found
▪ 1: Unit found
I0121
…
I1621
Is Error
0~1
▪ 0: No unit error
▪ 1: Unit in error
I0122
…
I1622
Error code
0~65535
▪ 255: No error
▪ Other values: error
code
I0123
…
I1623
Return Air Temperature
°C × 100
Unit return air sensor
value
I0124
…
I1624
Filter Alarm
0~1
▪ 0: No alarm
▪ 1: Filter alarm
I0130
…
I1630
Thermo On
0~2
▪ 0: Idle/Fan
▪ 1: Heating
▪ 2: Cooling
Summary of Contents for EKMBPP1
Page 1: ...Installation manual Modbus adapter English Installation manual Modbus adapter EKMBPP1 ...
Page 37: ......
Page 38: ......
Page 39: ......