Growatt MID 1 7 KTL3-X1 - Communication and Monitoring

Communication and Monitoring 10
10.1 RS485
This series of inverters provide two RS485 ports. You can monitor one or more
inverters via RS485. The other RS485 port is used to connect a smart meter (stand -
alone antibackflow function).
10.2 USB-A
USB-A port is mainly used to connect monitoring module or firmware update :
We can connect the external optional monitoring modules,such as Shine WIFI -X,
Shine Shine 4G-X, Shine LAN-X, etc. to the USB interface for monitoring.
Steps for installing the monitoring module: Make sure
A
is on the front side, then
insert the datalogger and tighten the screws.
Install
The inverter side
Fig 10.3
No.
Description
Remarks
1
+ 12V
Dryjunction : external relay
coil interface, power is not
more than 2W
2
COM
3
RS485A1
RS485 communication port
4
RS485B1
5
RS485A2
BAT communication
port(reserved)
6
RS485B2
7
RS485A3
Meter communication port
8
RS485B3
9
DRM1/5
Relay contact 1 input
10
DRM2/6
Relay contact 2 input
1 1
DRM3/7
Relay contact 3 input
12
DRM4/8
Relay contact 4 input
13
REF/GEN
Relay signal reference
14
DRMO/COM
Relay common node
No.
Description
Remarks
3
RS485A1
RS485
communication
port
4
RS485B1
5
RS485A2
BAT-RS485 port
6
RS485B2
The inverter side
The inverter side
The inverter side
Fig 10.2 justforVietnam models