Growatt MID TL3-XH Series - Communication and monitoring; 10.1 COM port; 10.2 USB-A port

9.3.4 Setting charge from grid function
35
36
The inverter regulates the output power based on the AC grid voltage. This feature is
enabled by default and is considered an advanced function. If you need to modify this
setting, please contact the after-sales O&M team for assistance to make adjustments.
9.3.5 Power derating for voltage variation (Volt-Watt mode)
9.3.6 Reactive power regulation for voltage variation (Volt-VAr mode)
The inverter adjusts the input/output power in response to changes in the AC grid
voltage. This feature is disabled by default and is considered an advanced function. If you
need to modify this setting, please contact the after-sales O&M team for assistance to
make adjustments.
Fig 10.1
Fig 10.2
This series of inverters provide four RS485 ports. You can monitor one or more inverters
via RS485. The other RS485 port is used to connect to a smart meter (for export limitation
and self-consumption monitoring).
10.1 COM port
Communication and monitoring 10
10.2 USB-A port
The inverter side
The inverter side
The inverter side
The inverter side
Remove
▲up
Install
The USB-A port is used to connect to the monitoring module and perform firmware update:
You can connect the optional monitoring module, such as ShineWiFi-X, Shine4G-X,
ShineLan-X to the USB port.
Steps for installing the monitoring module are shown below. Ensure that the triangle icon
▲ is facing upwards, then plug the datalogger and tighten the screw.
Working with compatible batteries, the -XH series inverters can draw power from the
grid to charge the battery. Users can enable the charge from grid function (set to
disabled by default) on the OLED screen. Single tap to view the options; double tap to
confirm your setting. Configure the charge from grid function as shown below:
Charge from grid
Disable
Enable
Disable
Enable
OK
OKStorage Setting
Password
123
Country/
Area
VDE0126
General
Advanced
Double tap
Double tap
Double tap
Double tap Double tap
Double tap
Multi-tap
Single tap
No.
Description
Function
1
+12V
Dry contact: the power of any
external wiring connected to
it should not be greater than
2W
2
COM
3
RS485A1
RS485 communication port
4
RS485B1
5
RS485A3
Meter communication
port
6
RS485B3
7
RS485A2
Battery communication
port
8
RS485B2
9
BAT.EN+
Battery wake-up signal
10
BAT.EN-
11
DRM1/5
Relay contact 1 input
12
DRM2/6
Relay contact 2input
13
DRM3/7
Relay contact 3 input
14
DRM4/8
Relay contact 4 input
15
REF/GEN
GND
16
DRM0/COM
/
21
BOX.EN+
Backup box identification
signal
22
BOX.EN-
23
RS485A4
Backup box communication
24
RS485B4
27
RS485A2
Battery communication
port 2
28
RS485B2
29
BAT.EN+
Battery wake-up
signal 2
30
BAT.EN-
No.
RRCR
Description
Active
Power
11
K1-out
0%
12
K2-out
30%
13
K3-out
60%
14
K4-out
100%
15
Relays
common node
/
16
/
/