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519
Wiring Diagram
RedBlack
ModbusRTU to
The third-party or
central controller
(select by the SW01)
SW01
12
0
0
0
1
1
11
0ModbusRTU Protocal
To Central Controller
Converter
Address
Remark1: U1 to Modbus/Central Controller/Longate
U2 to HCM-01/03/05/05A
U1 and U2 can be used simultaneously
Switch SW01: 1:0N.0:OFF.
SW01(1-2) is theU1 output protocol selection
SW01(4-8) is protocol converter address setting.
More detail refer to above list
Protocol Type
SW01 dip switch instruction
Power Supply
PCB
Modbus to Longate
L
N
+12V
GND
U1
U3
SW01 A
B
U2
GND
+12V
PQ
HCM-01/03
HCM-05/05A
SW01
3
4 5 6 7 8
00000
0 0 001
111 11
SW01
Modbus
Slave ID
Reserved
Reserved
Address 31
Address 1
Address 0
Address 32
Address 2
Address 1
AC
220V
50/60HZ
A+
B-
A+
B-
Remark2: Device IP00 design
Suggest PQ connect from the terminal block of outdoor
The PCB in a metal housing have work indicator light
LED1: Power (Long bright RED)
LED2-LED3: QP indicator light (Flashes Red-TX Green-RX)
LED4-LED5: U1 indicator light (Flashes Red-TX Green-RX)
LED6-LED7: U2 indicator light (Flashes Red-TX Green-RX)
Modbus point list
Default properties:
Bits per second:9600 Data bits:8
Parity: None Stop bits:1
1.Discrete Inputs--0x02
REGISTER ADDRESS POINT NAME EXPLANATION
0000 INDOOR1 EXIST OR NOT READ ONLY
1-EXIST, 0- NOT EXIST
0001 INDOOR1 ON LINE OR NOT READ ONLY
1-ON LINE,0-OFF LINE
0002 INDOOR2 EXIST OR NOT READ ONLY
1-EXIST, 0- NOT EXIST
0003 INDOOR2 ON LINE OR NOT READ ONLY
1-ON LINE,0-OFF LINE
……
00126 INDOOR64 EXIST OR NOT READ ONLY
1-EXIST, 0- NOT EXIST
00127 INDOOR64 ON LINE OR NOT READ ONLY
1-ON LINE,0-OFF LINE
2


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