Sungrow Logger3000 User Manual page 66

12 Troubleshooting
F F a a u u l l t t
Communication
failure between the
Logger3000 and
devices connected
to it
Data
communication
between the
Logger3000 and
background via
ModbusRTU failed
60
P P o o s s s s i i b b l l e e c c a a u u s s e e
5. Confrontation with network
card or anti-virus software
occurs.
1. The RS485 cable
connecting the device and
the Logger3000 is abnormal.
2. Configuration of the serial
port is inconsistent with the
RS485 parameters of the
device.
3. The current device is an
inverter, and the inverter
cannot be added to the Web
system in automatic search
manner.
4. Communication connection
status between the
Logger3000 and the device is
abnormal.
1. The RS485 cable
connecting the device and
the Logger3000 is abnormal.
User Manual
C C o o r r r r e e c c t t i i v v e e m m e e a a s s u u r r e e
5. If the PC cannot receive
data packets, disable other
network cards, anti-virus
software or fireproof wall, and
try the login again.
1. Check the RS485 cable
connecting the device and
the Logger3000 and ensure it
is not in short circuit, open
circuit, or reverse connection
between RS485–A and
RS485–B.
2. Log into the Web, and click
"Settings" -＞ "Serial port
settings" to check whether
the port configuration is
consistent with the RS485
parameters of the device.
3. Manually input the inverter
address to add the inverter to
the Web system.
4. Log into the Web, and click
"Monitoring", to check
whether the communication
status icon is like this
and check whether repeated
addresses are allocated to
the same port.
If the fault persists, contact
SUNGROW.
1. Check the RS485 cable
connecting the device and
the Logger3000 and ensure it
is not in short circuit, open
circuit, or reverse connection
between RS485–A and
RS485–B.
,