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66
of 71
SK2019 FSTD-SLIM-EC-FLEX-001_01
03 Read Holding Registers:
Function Code
Holding Register Addresses
Protocol
Specification
Data Define
03/06
3
State
“0”=OFF, ”01”=ON,
02=low temperature protection (R)
03/06
4
Mode
1=Cool, 2=Heat, 3=Ventilation
03/06
5
Set Room
Temperature
Temperature (16 - 30
℃
)
03/06
6
Fan Mode
00=High, 01=Med, 02=Low, 03=Auto
03
7
Model
01=DA, 02=DB, 11=FCV2
03/06
8
Frost Protection
Temperature
Temperature(8
℃
)
03/06
12
Enable Frost
Protection
“0”= Disable, ”01”= Enable
03/06
13
Key lock
“0”= Disable, ”01”= Enable
03/06
14
DA1 setting
0=EC fan control signal
1=Modulating valve control signal
03/06
15
Unit type
0= Fan coil thermostat
1=Floor heating thermostat
04 Read Input Registers:
Remarks:
The range of temperature: (0
～
80
℃
)
E.G: Temperature = 25.5°C, the date(255) = 00H FFH
Temperature = 5.0°C, the date(50) = 00H 32H
Function Code
Input Register Addresses
Protocol
Specification
Data Define
04
1
Room temperature
Temperature (0~+80
℃
)
04
2
DA1 output
0~10 VDC
