hoymiles DTU-Plus-C Microinverter System User Manual
- June 17, 2024
- hoymiles
Table of Contents
hoymiles DTU-Plus-C Microinverter System
Description
The DTU-Plus-C serves to collect and transmit data from micro-inverters in the
Hoymiles microinverter system. It uses Ethernet and 4G technology to
communicate with the monitoring platform S-Miles Cloud. It is also equipped
with industrial communication interfaces that support various communication
schemes for power plants.
The DTU-Plus-C can reduce O&M efforts significantly by providing module-level
monitoring data and fault alarms in real-time, either on-site or virtually,
and enabling remote O&M through the S-Miles Cloud or third-party platforms.
Features
-
Industrial-grade design
Quick and easy DIN rail mounting, ideal for industrial application External antenna offers enhanced signal strength and flexible layout design Withstand harsh environments -
Simple O &M
• Module-level monitoring and performance management
• Support local configuration with S-Miles Toolkit
• Support remote O&M including remote upgrading and parameter setting -
Reliable and Flexible
• 2.4G wireless solution enables stable communication with HM series of microinverter
• Support uploading via Ethernet and 4G
• Support of RS485 and Ethernet to communicate with peripherals -
Intelligent Monitoring
• Smart zero export control and export power limit function
• Real-time production and consumption data at any time from anywhere
Technical Specifications
| Model | DTU-Plus-C |
|---|---|
| Communication to Microinverter | |
| Type | 2.4G |
| Maximum distance (open space) | 200 m |
| Monitoring data limit from solar panels | 100 |
| Communication to S-Miles Cloud | |
| Ethernet interface | RJ45 × 1, 100 Mbps |
| 3G/ 4G interface | 4G: FDD-LTE |
3G: WCDMA
Sample rate| Per 15 minutes
Communication Interface|
RS485| COM × 1, 9600 bps, Modbus-RTU
Ethernet| RJ45 × 1, Modbus-TCP
Interaction|
LED| LED indicator × 4
APP| S-Miles Installer
Power Supply (standard)|
Type| DIN rail power supply
Input voltage/frequency| 100 ~ 240 V AC / 50 or 60 Hz
Output voltage/current| 12 V / 1.25 A
Power consumption| Typ. 3 W / Max. 5 W
Mechanical Data|
Ambient temperature range| -40°C to 65°C (-40℉ to 149°F)
Storage temperature range| -40°C to 85°C (-40℉ to 185°F)
Dimensions (W × H × D)| 36.5 × 93 × 53 mm (1.44 × 3.66 × 2.09 inch)
Weight| 99 g (0.2183 lb.)
Installation Method| DIN35 rail mounting
Protection Rating| IP30
System Components
Interface Layout
| No. | Description |
|---|---|
| 1 | DTU Power Indicator |
| 2 | DTU Communication Indicator (With Server) |
| 3 | DTU Communication Indicator (With Microinverter) |
| 4 | DTU Alarm Indicator |
| 5 | Reset Button |
| 6 | 2.4G Antenna Port |
| 7 | Ethernet Port |
| 8 | 4G Antenna Port |
| 9 | RS-485 Port (With Meter) |
| 10 | RS-485A |
| 11 | RS-485B |
| 12 | RS-485A |
| 13 | RS-485B |
| 14 | Reserved Port |
| 15 | Reserved Port |
| 16 | DTU Power Input (+12 V) |
| 17 | DTU Power Input (GND) |
| A | Switching Power Supply DC Output (+12 V) |
| B | Switching Power Supply DC Output (GND) |
| C | Switching Power Supply AC Input (N) |
| D | Switching Power Supply AC Input (L) |
Procedure
- Mount the DTU-Plus-C and the 12 V power supply onto the 35 mm DIN rail.
- Connect the 12 V power cable from the switching power supply to the DTU-Plus-C.
- Connect the sucker antenna’s coaxial cables to the DTU-Plus-C’ antenna connectors and securely screw them in place.
- Connect the AC power cable to the power input on the switching power supply.
Network Configuration
- Insert the SIM 4G card into the SIM slot or plug the Ethernet cable into the DTU-Plus-C (depending on the type of network connection you have chosen).
-
Use the smartphone/tablet/laptop to open the Installer App and login.
Go to the O&M section on the bottom of the page. Tap the Network Config icon to access the network configuration page. -
On the network configuration page, select Ethernet or 3G/4G (depending on your chosen method of connection).
Tap the Sent to DTU button.
When the pop-up window appears, tap the Confirm button.
- The network configuration takes about ONE minute, please be patient.
- If the DTU-Plus-C is unable to establish a network connection, troubleshoot the issue as instructed.
Online Setup
To complete the DTU installation, create an online account by following the
detailed steps in the “Quick Installation Guide for S-Miles Cloud Online
Registration.”
Warning
- The installation and replacement of the DTU-Plus-C must be carried out by qualified persons only.
- The DTU-Plus-C contains components that are not user-serviceable. Do not attempt to repair the DTU-Plus-C on your own. If DTU-Plus-C fails, contact Hoymiles Customer Support. Unauthorized disassembly of the DTU-Plus-C is strictly prohibited will void the warranty.
FCC Statement
Any Changes or modifications not expressly approved by the party responsible
for compliance could void the user’s authority to operate the equipment.
This device complies with part 15 of the FCC Rules. Operation is subject to
the following two conditions:
(1) This device may not cause harmful interference, and
(2) This device must accept any interference received, including interference
that may cause undesired operation.
FCC Radiation Exposure Statement
This equipment complies with FCC radiation exposure limits set forth for an
uncontrolled environment .This equipment should be installed and operated with
minimum distance 20cm between the radiator& your body.
Note : This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates,uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
ISED RSS Warning/ISED RF Exposure Statement
ISED RSS Warning:
This device complies with Innovation, Science and Economic Development Canada
licence-exempt RSS standard(s). Operation is subject to the following two
conditions:
(1) this device may not cause interference, and
(2) this device must accept any interference, including interference that may
cause undesired operation of the device.
ISED RF exposure statement:
This equipment complies with ISED radiation exposure limits set forth for an
uncontrolled environment. This equipment should be installed and operated with
minimum distance 20cm between the radiator& your
body.This transmitter must not be co-located or operating in conjunction with
any other antenna or transmitter. Le rayonnement de la classe b repecte ISED
fixaient un environnement non
This radio transmitter IC:24490-DTUPLUSC has been approved by Innovation, Science and Economic Development Canada to operate with the antenna types listed below, with the maximum permissible gain indicated. Antenna types not included in this list that have a gain greater than the maximum gain indicated for any type listed are strictly prohibited for use with this device.
WIFI
Antenna Type: PCB
Antenna Gain: 1.79dBi
input impedance: 50O hm
LoRa
Antenna Type: Dipole
Antenna Gain: 2.53 dBi
input impedance: 50O hm
WWAN
Antenna Type:Dipole
Antenna Gain: B2/B25: 4.58dBi, B4: 3.94dBi, B5/B26: 5.12dBi, B12: 0.36dBi,
B13: 1.21dBi
input impedance:50Ohm