4.OPERATION AND USE
(2) Parameter list
Refrigeration target temperature set
Heating the target temperature set point
Automatic target temerature set point
4.4 Interface drawin
(1) Wire control interface diagram and definition
V
R
T
A
B
G
(2) Controller interface diagram and definition
CN9
Meaning
AC-N
OUT5
OUT4
PC1004
AI/DI12
GND
AI/DI11
+5V
AI/DI13
GND
GND
23
Default
point
27℃
27℃
27℃
Sign
Meaning
12V(power +)
V
R
No use
T
No use
A
485A
B
485B
G
GND(power-)
OUT3
OUT2
AI/DI10
AI/DI08
AI/DI06
AI/DI04
AI/DI02
GND
GND
GND
GND
AI/DI09
AI/DI07
AI/DI05
AI/DI03
AI/DI01
GND
GND
GND
GND
Remarks
Adjustable
Adjustable
Adjustable
OUT1
AC-L
GND
RS485_B_1
RS485_A_1
12V
GND
RS485_B_2
RS485_A_2
12V
GND
CN13
GND
CN2
CN8