Summary of Contents for Huawei DTSU666-HW/YD Series
- Page 1 DTSU666-HW Smart Power Sensor Quick Guide Issue: 08 Date: 2022-08-20 ZTY0.464.1516...
- Page 2 Overview Dimensions DTSU666-HW 80 mm 72 mm 62 mm Installation position The dimensional tolerance is ± 1 mm. Appearance Specifications on the front panel Nameplate...
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Page 3: Port Definition
Key Specifications Category DTSU666-HW Nominal voltage 230 V AC/400 V AC, 50 Hz/60 Hz Direct connection: 0–80 A Current measurement range Connection through current transformers: > 80 A 90–1000 V (line voltage; potential transformers are required Voltage measurement range if the voltage is greater than 500 V) Electricity metering accuracy Class 1 (error within ±... -
Page 4: Installing Cables
Installing the DTSU666-HW Install the Smart Power Sensor on the standard guide rail of DIN35mm. Press the Smart Power Sensor downwards onto the guide rail, and then push it in place along the guide rail. Installing Cables Preparing Cables Conductor Cross- Outer Cable... - Page 5 Each phase of UA, UB, and UC in the Smart Power Sensor is connected with a fuse and a thermistor to prevent damage caused by external short circuits. UA, UB, and UC do not need external fuse protection. Wiring Scenarios Current ≤...
- Page 6 Current and Voltage Direct Connection (Current ≤ 80 A and Line Voltage ≤ 500 V) SmartLogger networking • Three-phase four-wire connection In the SmartLogger networking scenario, the power meter is connected to the SmartLogger. In the non- SmartLogger networking scenario, the power meter is connected to the inverter.
- Page 7 Smart Dongle networking • Three-phase four-wire connection (1) Shield layer of the signal cable • Three-phase three-wire connection (1) Shield layer of the signal cable You need to set parameters after cable connections are complete. For details, see section 4 "Display and Parameter Settings".
- Page 8 Connection Through Current Transformer and Voltage Direct Connection (Current > 80 A, Line Voltage ≤ 500 V) Current transformers specifications: The accuracy class is 0.5, and the current on the secondary side is 1 A or 5 A. SmartLogger networking •...
- Page 9 Smart Dongle networking • Three-phase four-wire connection (1) Shield layer of the signal cable • Three-phase three-wire connection Please ensure that the ground cable is installed securely. Poor grounding may cause electric shocks. • You need to set parameters after cable connections are complete.
- Page 10 Connection Through Current Transformer and Potential Transformer (Current ≥ 0 A, Line Voltage > 500 V) • Three-phase four-wire connection Cable outlet (OUT) Current transformers Cable inlet (IN) • Three-phase three-wire connection Cable outlet (OUT) Current transformers Please ensure that the ground cable is installed securely.
- Page 11 Display and Parameter Settings Display The button → is used to switch the displays. Set parameter disp to enable the rotation display function. Display Description Display Description Positive active Negative active energy energy = 10000.00 kWh = 2345.67 kWh None parity, 8 data bits, 011 represents and 1 stop bit;...
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Page 12: Parameter Settings
Parameter Settings Parameter Value Range Description 1–6553 Current transformer ratio 0.1–999.9 Potential transformer ratio Communication protocol switchover: 1: 645 1: Factory mode 2: n.2 2: None parity, 2 stop bits, n.2 3: n.1 3: None parity, 1 stop bit, n.1 4: E.1 4: Even parity, 1 stop bit, E.1 5: 0.1... - Page 13 Parameter Setting Operations Button description: SET means "confirm" or "cursor move" (when inputting numbers or parameters), ESC means "exit", and → means "add". The default user password is 701 • Set wiring mode (three-phase four-wire or three-phase three-wire) and channel switchover (direct connection or current transformer connection): •...
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Page 14: Troubleshooting
• Modify user password: Troubleshooting Symptom Cause Analysis Troubleshooting Method 1. Connect the cables correctly 1. The cable connection is incorrect. No display after (see wiring diagrams). 2. The voltage supplied to the meter power-on 2. Supply the correct voltage is abnormal. -
Page 15: Customer Service Contact
Customer Service Contact Customer Service Contact Region Country Email France Germany Spain eu_inverter_support@huawei.com 0080033888888 Italy Europe Netherlands Other For details, see solar.huawei.com. countries Australia eu_inverter_support@huawei.com 1800046639 Turkey eu_inverter_support@huawei.com - 0080021686868 Malaysia /1800220036 apsupport@huawei.com (+66) 26542662 (local call Asia Pacific rates)