RS485-2 Baud rate
RS485-2 Address
RS485-2 Protocol
RS485-2 Communication
status
Software version
Dew point
Absolute humidity
0 - no alarm 100-990。1=10hours
Code
Parameters
Default
Precision
Range
R01
R03
R04
R05
R06
R07
H01
H02
D01
D02
D03
F01
F02
F03
F04
F05
F06
F07
F08
F09
F10
F11
F12
P01
P02
P03
O07
O09
O10
O11
Humidity set(dehumidify)
Air damper automatic
close/open value
Air damper humidity
differential
Indoor temp. set
Humidity set
(humidify)
Humidity differential
(humidify)
Air damper automatic
close/open
Filter alarm hour
Defrost interval
Defrost stop
Defrost start
AC fan speed set
Fan set under achieved
humidity
FAN1, DC fan motor
speed 1 voltage
FAN1, DC fan motor
speed 2 voltage
FAN1, DC fan motor
speed 3 voltage
FAN1, DC fan motor
speed 4 voltage
FAN1, DC fan motor
speed 5 voltage
FAN2, DC fan motor
speed 1 voltage
FAN2, DC fan motor
speed 2 voltage
FAN2, DC fan motor
speed 3 voltage
FAN2, DC fan motor
speed 4 voltage
FAN2, DC fan motor
speed 5 voltage
50%
50%
3%
25°C（77°F）
70%
3%
1
200
40 minutes
10 minutes
17°C（62°F）
1
1
500（5V）
600（6V）
700（7V）
800（8V）
900（9V）
400（4V）
500（5V）
600（6V）
700（7V）
800（8V）
0
1
0
1%
1%
1%
0.5°C（1°F）
1%
1%
/
1
1 minutes
1 minutes
1°C（2°F）
/
/
10（0.1V）
10（0.1V）
10（0.1V）
10（0.1V）
10（0.1V）
10（0.1V）
10（0.1V）
10（0.1V）
10（0.1V）
10（0.1V）
F08~950
F09~950
F10~950
F11~950
0-4800
1-9600
1~255
1%-99%
1%-99%
1%-10%
5~35°C（41~95°F）
1%-99%
1%-10%
0 - no in use
1 - in use
30~60 minutes
1~20°C（34~68°F）
400~950
F03~950
F04~950
F05~950
F06~950
400~950
0-General open protocol
0 - abnormal / 1 - normal
6.
11
Parameters Code Description
Address
Function Code
Byte
Read Only or
Read/Write
Object
Read/Write
2 bytes
2 bytes
2 bytes
2 bytes
2 bytes
2 bytes
2
bytes
2
bytes
2
bytes
2
bytes
2
bytes
2
bytes
2
bytes
2
bytes
2
bytes
2
bytes
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
0 - OFF 1 - ON
1 - 1st fan speed
2 - 2nd fan speed
3 - 3rd fan speed
4 - 4th fan speed
5 - 5th fan speed
Read Only
Read Only
Read Only
Read Only
Read Only
Read Only
Read Only
0x1001
0x1002
0x1003
0x1004
0x1006
0x1008
0x101B
0x101C
0x101D
0x2001
0x2002
0x2003
0x2004
0x2005
0x2006
0x2007
0x2008
03/03/16
03/03/16
03/03/16
03/03/16
03/03/16
03/03/16
03/03/16
03/03/16
03/03/16
03
03
03
03
03
03
03
03
ON/OFF
fan speed
air damper close/open
humidity set
air damper automatic
humidity set
air damper automatic
close/open
temperature set
working modes
humidification set
indoor temperature
sensor
indoor humdity sensor
external temperature
sensor
external humidity
sensor
fan running time
failure
dew point
absolute humidity
0 - close 1 - open
1~99%
1~99%
0 - not in use 1 - in use
5~35°C
0 - dehumidification
1 - dehumidification
2 - dehumidification
3 - humidification
4 - humidification
5 - humidification
1~99%
1=10 hours
2
bytes
Read Only
bit0:built sensor failure
bit1:external sensor failure
bit2:filter alarm
bit3:minimum absolute
humidity protection
bit4:in defrost
Data
6.
12
RS485-2 Modbus communication protocol
Function code description:
function 03 – read function 06 – write single function 16 – write multiple
25
26
1 - low speed
2 - medium speed(DC motor fan:1,2 -
low;3,4,5 - high)
3 - high speed(DC motor fan:1,2 - low;3,4 -
medium;5 - high)
1 - turns off 3 minutes later after achieved
the set humidity
2 - keeps working after achieved the set
humidity
