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Specifies the manual's applicability and the Smart Energy Meter's proper indoor usage and restrictions.
Outlines the necessary skills and training for personnel performing the meter installation and commissioning.
Lists key technical parameters, dimensions, and components included with the Smart Energy Meter.
Provides dimensional information for 100 A and 250 A Current Transformers and their cable length.
Identifies the meter's terminals and their respective designations and functions for wiring.
Explains meter port connections, CT usage, and how to configure for single-phase operation.
Step-by-step instructions for mounting the meter on a DIN rail and connecting the RS485 cable.
Wiring diagram for a system with three-phase hybrid + three-phase PV inverter + three-phase grid.
Wiring diagram for a system with three-phase hybrid + single-phase PV inverter + three-phase grid.
Wiring diagram for a system with single-phase hybrid + three-phase PV inverter + three-phase grid.
Wiring diagram for a system with single-phase hybrid + single-phase PV inverter + three-phase grid.
Wiring diagram for a system with single-phase hybrid + single-phase PV inverter + single-phase grid.
Key checks for CT direction, cable connections, and terminal wiring after meter installation.
Explains the electrical parameters and energy data displayed on the meter's interface.
Details parameters for setting communication, voltage ratio, and pulse output for the meter.
Provides solutions for common problems like no display, RS485 communication errors, and metering inaccuracies.
Specifies the manual's applicability and the Smart Energy Meter's proper indoor usage and restrictions.
Outlines the necessary skills and training for personnel performing the meter installation and commissioning.
Lists key technical parameters, dimensions, and components included with the Smart Energy Meter.
Provides dimensional information for 100 A and 250 A Current Transformers and their cable length.
Identifies the meter's terminals and their respective designations and functions for wiring.
Explains meter port connections, CT usage, and how to configure for single-phase operation.
Step-by-step instructions for mounting the meter on a DIN rail and connecting the RS485 cable.
Wiring diagram for a system with three-phase hybrid + three-phase PV inverter + three-phase grid.
Wiring diagram for a system with three-phase hybrid + single-phase PV inverter + three-phase grid.
Wiring diagram for a system with single-phase hybrid + three-phase PV inverter + three-phase grid.
Wiring diagram for a system with single-phase hybrid + single-phase PV inverter + three-phase grid.
Wiring diagram for a system with single-phase hybrid + single-phase PV inverter + single-phase grid.
Key checks for CT direction, cable connections, and terminal wiring after meter installation.
Explains the electrical parameters and energy data displayed on the meter's interface.
Details parameters for setting communication, voltage ratio, and pulse output for the meter.
Provides solutions for common problems like no display, RS485 communication errors, and metering inaccuracies.
General| Model | DTSU666-20 |
|---|---|
| Manufacturer | Sungrow |
| Frequency | 50/60Hz |
| Accuracy Class | Class 1 |
| Display | LCD |
| Storage Temperature | -40°C ~ +70°C |
| Type | Energy Meter |
| Voltage Rating | 3×230/400V |
| Communication | RS485 |
| Operating Temperature | -25°C ~ +60°C |
| Installation | Din Rail |
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