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Output
AO
BO
GND
CN12
LED3
LED4
LED6
LED5
LED2
LED1
LED8
LED9
CN9
CN5
C
O
A5
B5
A4
B4
M
Cool
Heat
There are some connection ports on the
main control module and power module. The
explanation is given below:
Connection port instruction
Connection
BM1
port
BM1_1_—ON
1# 485
connection
BM1_1_—
OFF
port A5 B5
BM1_2_—ON
2# 485
connection
BM1_2_—
port A4 B4
OFF
BM1_3_—ON
BM1_3_—
A0 B0
OFF
P Q port
/
Output
/
GND 12V
Input
/
12V GND
/
Dry contact Cool
Com Heat
/
The Gateway 9 LED indicates the
communication status of different
communication ports. The explanation is given
below:
LED flashing instruction
Power indicator
LED7
485 port A5, B5 Working
LED1
status indicator
LED2
PQ port indicator
LED3
LED4
Malfunction indicator
LED5
Reserved
LED6
485 connection port A4, B4
LED8
Working indicator
LED9
Input
12V
12V
GND
BM1
CN2
CN11
LED7
Net
work
port
SW1
SW2
SW3
Function
Reserved
Connect to
40VCC727FQEE
Reserved
Reserved
Reserved
Reserved
Connect to PQ cable
between IDU and ODU
Output DC12V power
DC12V power supply
to the gateway
Cool Com short circuit——
cooling only setting
Heat Com short circuit——
heating only setting
Keep light
Send and receive
Flash alternatively
Flashing quickly
Malfunction Flashing
Reserved
Send and receive Flash
alternatively
There are 3 rotary dip switches W1, SW2, SW3
on the main control board and the SW1 SW2
has the function of address setting, SW1 means
ten digits, SW2 means single digit.
The setting of SW1, SW2 will not function until
the device is restarted. SW3 has the function of
changing the monitor parameter which will be
displayed on the digital tube.
The explanation of the different settings is given
below:
SW1
SW2
Gateway Address (connect to BMS system)
0
1
0-9
2
3
SW3
Function
If the system functions as accustomed, time will be
Displays error code
displayed. If there is failure in the system, the error
or displays "0" if
0
system functions as
accustomed
1
Displays the gateway address. For example; if the
Gateway
gateway address is 1, 'Add=01' will be displayed.
address
2
Date
3
Time
4
Displays the failure rate of the communication status
Communication
failure rate
between IDU and ODU, the display range is 0-99.
5
Reserved
6
IDU quantity
Displays the IDU quantity connected to the Gateway.
7
Software version
Digital
tube
Malfunction definition
display
01
Gateway address changing
The gateway timing
02
system failure
03
Not searched the IDU
04
Reserved
05
Main EE read and write failure
06
Backup EE read and write failure
Installation: The Gateway can be permanently
installed with screws.
1
1#-10# (0#-9#)
11#-20# (10#-19#)
21#-30# (20#-29#)
31#-40# (30#-39#)
Digital tube display
code will be displayed.
For example; if the gateway meets the 01
malfunction, 'Err-01' will be displayed.
Displays the present. For example; '19.10.01'
indicates the year of 2019, December,1st.
Displays the present. For example:'12:30'.
Reserved
Display the software version for example; if the
software version is V1.0.it will display 'v001'.
Malfunction
explanation
The address changes if
power is on
The gateway can't read the time
or the timing system failure
The IDU cannot be found
Reserved
Main EE read and write failure
Backup EE read and write failure
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