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This device also performs the function of a Web Server and datalogger, allowing users to easily access key parameters and access data efficiently.
The user also has the option of transferring data via FTP. Some of its advanced features include:
- Universal Input: Each device can be configured to accept single-phase, three-phase, TA, and TA with mV or Rogowski sensor inputs as required.
- MQTT and HTTP POST Supported: Integrating advanced protocols, it offers instant access to real-time energy data wherever you are.
- 8MB Data Memory: Equipped with enhanced memory for data/event storage, harmonics up to 55°A and THD, ideal for system analysis and optimization.
- Maximum Flexibility: Also in the choice of power supply and Ethernet ports through which R203 offers ModBUS TCP-IP / ModBUS RTU gateway functions
- Digital I/O Channels: Features 2 digital outputs and 2 independent inputs with 32-bit meters for active, reactive, and apparent energy metering.
With our R203 power meter, you get a reliable and versatile tool for monitoring and managing your power grid.
TECHNICAL DATA
| Power Supply | 10..30 Vdc (models R203-1-L, R203-2-L) 90..264 Vac (50-60 Hz) (models R203-1-H, R203-2-H) |
| Max Power Consumption | 2.8 W |
| Isolation | 3,500 Vac (to/from power circuits) 1,500 Vac (other circuits) |
| Status Indicators | Power supply, digital channels, RS485 communication, data logger status, wiring error, Ethernet ports activity |
| Installation category | 600 V CAT III |
| Programming | via Web Server. Through the SDD software, it is possible to locate the device and easily access it. |
| Precision class | 0.2% for voltage/current; 0.5% for power |
| Flash memory | 8 MB |
| Network Features | Dual Daisy Chain Ethernet Connection LAN fault bypass (the active connection between the two Ethernet ports of the device in case of power failure) Max 32 Peer-to-Peer Rules (I/O Mirror) - No Master required ModBUS Passthrough (TCP-IP to RS485) Identification and configuration IP, MAC, and Firmware via SDD tool |
| Energy Features | Energy metering (on output digital output) No. 2 incremental counters 32 bits on digital inputs @5kHz |
| Type of insertion / Connection mode | Single-phase, 3-phase 3-wire, 3-phase 4-wire, CT, CT with mV output, Rogowski transducers, Aron |
| Frontal Protection degree | IP20 |
| Mounting | DIN RAIL 35 mm guide |
| Connections | Screw terminals |
| Operating temperature | -25..+65 °C |
| Dimensions | 107x90x32 mm |
| Weight | 170 g |
| Case | PC/ABS self-extinguishing UL94-V0, black color |
| Voltage/current inputs | |
| Phase voltage measurement | Voltage: up to 600 Vac, freq. 45 ÷ 65 Hz VT with output up to 600 Vac concerning neutral |
| Phase current measurement | AT with output 1-5 A f.s. AT with output mV or Rogowski up to 250 mV |
| Integrated I/Os | |
| Digital inputs | Nr.2 activatable with voltage from 12 to 24V and 2 digital counters @ 50 Hz |
| Digital outputs | Nr.2 capacity Imax = 50 mA Vmax = 28V |
| Analog outputs | Nr.1 settable: in VOLTAGE 0..10 Vdc, min load resistance 2kΩ or in CURRENT 0..20, 4..20 mA, max load resistance 500Ω Transmission error: 0,1 % of max range Thermal drift: 100 ppm/K |
| COMMUNICATION | |
| Serial | |
| Interfaces | Nr.1 RS485 port |
| Protocol | ModBUS RTU |
| Distance | Up to 1,200 m |
| Connectivity | Max 128 nodes |
| Ethernet | |
| Ports | Nr.1 Ethernet Port 100 Mbps (R203-1-x models) Nr.2 Ethernet Ports 100 Mbps (R203-2-x models) |
| Protocol | ModBUS TCP-IP, MQTT, HTTP POST, P2P, FTP |
| Connections | Ethernet switch with Daisy Chain protection |
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