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Data Transfer Unit User Manual
11. Technical Data
Model
DTU-Pro-S (Wi-Fi Version)
DTU-Pro-S (4G Version)
Communication to Microinverter
Signal
Sub-1G
Maximum distance (open space)
400m
Monitoring data limit from solar panels
99
1
Communication to S-Miles Cloud
Ethernet
RJ45 × 1, 100Mbps
Wireless
2
Wi-Fi: 802.11b/g/n
4G: TDD-LTE, FDD-LTE
3G: SCDMA
2G: GSM/GPRS
Sample rate
Per 15 minutes
Communication to Peripherals
RS485
COM × 1, 9600bps, Modbus-RTU
Ethernet
RJ45 × 1, Modbus-TCP
DRM (For AU/NZ only)
RJ45 × 1, DRM0/5/6/7/8
Interaction
LED
LED Indicator × 4 – RUN, Cloud, MI, ALM
APP
S-Miles Toolkit
Power Supply (Adapter)
Type
External adapter
Adapter input voltage/frequency
100 to 240 V AC / 50 or 60Hz
Adapter output voltage/current
5V / 2A
Power consumption
Typ. 1.5W / Max. 3.0W
Typ. 2.5W / Max. 5.0W
Mechanical Data
Ambient temperature (℃)
-20°C to 55°C
Dimensions (W×H×D)
200mm×101mm×29mm (without antennas)
Weight
0.20 kg
Installation method
Wall mounting / Desktop mounting
Environmental rating
Indoor-IP20
Compliance
Certificates
CE, FCC, IC, RCM, Anatel
Microinverter Compatibility
Microinverter model
HMS series, HMT series
*1 This depends on the installation environment. Please refer to user manual for more details.
*2 Extended antenna is recommended if the DTU is installed inside a metal box or under a metal/concrete
roof.