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TECHNICAL DATA
| Power Supply | 90-264 Vac (50-60 Hz) |
| 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 |
| Datalogger function | Yes (data and events) |
| 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 |
| Type of insertion / Connection mode | Single-phase, 3-phase 3-wire, 3-phase 4-wire, CT, CT with mV output, Rogowski transducers |
| Frontal Protection degree | IP20 |
| Mounting | DIN RAIL 35 mm guide |
| Connections | Screw terminals |
| Operating temperature | -25..+55 °C |
| Dimensions | 107x90x32 mm |
| Weight | 170 g |
| Case | PC/ABS self-extinguishing UL94-V0, black color |
| Voltage/current inputs | |
| Measurement inputs | VOLTAGE: up to 600 Vac, freq. 45 ÷ 65 Hz CURRENT: CT 1 ÷ 5 A full scale; voltage (mV) for CTs with voltage output or Rogowski: up to 333 mV f.s. |
| Rogowski analog inputs | TENSION: up to 600 Vac, freq. 45 ÷ 65 Hz ROGOWSKI (supplied by SENECA): 100 mV ↔ 1000 A @ 50 Hz (sinusoidal); 120 mV ↔ to 1000 A @ 60 Hz (sinusoidal); Max measurable current: 3 kA @ 50 Hz; 2,5 kA @ 60 Hz |
| Integrated I/Os | |
| Digital inputs | Nr.2 activatable with voltage from 12 to 24V |
| 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 models) Nr.2 Ethernet Ports 100 Mbps (R203-2 models) |
| Protocol | ModBUS TCP-IP |
| Connections | Ethernet switch with Daisy Chain protection |
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SENECA offices will be closed for Christmas holidays from 24 December to 6 January. Business activities will resume as normal on Monday, 7 January. Orders received from 20 December will be dispatched from Monday, 7 January. We thank you for your cooperation and wish you happy holidays!
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