SUNWAY M XS 7500TL
INSTALLATION AND
PROGRAMMING INSTRUCTIONS
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5.1.6. Specifications of the Serial Communications
The serial communications settings may be changed from the Serial submenu in the Connectivity menu
(4.3.4.3).
Baud rate
Configurable between 1200 and 57600 bps (default:
38400 bps)
Data format
8-bit
Start bit
1
Parity
(1)
NO, EVEN, ODD (default: NO)
Stop bit
2,1 (default: 2)
Protocol
MODBUS RTU
Supported functions
03 h (Read Holding Registers)
10 h (Preset Multiple Registers)
Device address
Configurable between 1 and 247 (default 1)
Electrical standard
RS485
Inverter response delay
Configurable between 0 and 1000 ms (default = 5 ms)
End of message timeout
Configurable between 0 and 10000 ms (default = 0 ms)
Communications watchdog
(2)
Configurable between 0 and 65000 s (default = 0)
Table 32: Specifications of RS485 serial port
(1)
Ignored when receiving communication messages.
(2)
If set to a value other than 0, alarm
A081
trips.
5.2.
USB Connection
The inverters of the SUNWAY M XS series whose part number is one among the P/Ns below are provided
with a USB connector featuring IP67 degree of protection (see Figure 75). The USB connector is utilized for
the connection of an external Wi-Fi dongle or a USB memory stick for the inverter software update.
The products whose part numbers are not included in the list below implement integrated Wi-Fi functionality,
so no external Wi-Fi dongle is required. The inverter software may be updated through the SUNWAY M XS
Updater utility.
Product code with USB connector:
o
All the codes ZZ00770x0 (e.g. ZZ0077030)
o
All the codes ZZ0077100 xxxxxxxx (e.g. ZZ0077100 10003000)
5.3.
Multi-inverter Plants
The SUNWAY M XS inverters may support multi-inverter connection, both to the low voltage (LV) grid and to
the medium voltage (MV) grid.
NOTE
The notes given below pertain to the Italian regulations in force (Guida per
le connessioni alla rete elettrica di Enel Distribuzione, Ed. 1.1 - 87/244,
December 2009).
For foreign Countries, please refer to the local regulations in force.