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TECHNICAL DATA
| Power supply | 90-264 Vac (50-60 Hz) |
| Consumption | 2.8 W |
| Isolation | 3,500 Vac (to/from power-supply circuits) 1,500 Vac (other circuits) |
| Status indicators | Power supply, digital channels, RS485 communication, data-logger status, wiring error, Ethernet-port activity |
| Installation category | 600 V CAT III |
| Programming | via web server. The SDD software can be used to locate and easily access the device. |
| Accuracy class | 0.2% for voltage/current; 0.5% for power |
| Datalogger | Yes (data and events) |
| Functions | Dual Daisy Chain Ethernet connection LAN fault bypass (active connection between the device's two Ethernet ports in the event of a power interruption) Max 32 P2P (I/O Mirror) - No Master required ModBUS Passthrough (TCP-IP to RS485) IP, MAC and Firmware identification and configuration using SDD software |
| Connection type / Connection mode | Single-phase, 3-wire three-phase, 4-wire three-phase, CT, CT with mV output, Rogowski transducers |
| Protection rating | Front IP20 |
| Mounting | 35 mm DIN rail |
| Connections | screw terminals |
| Operating temperature | -25..+55°C |
| Dimensions | 107x90x32 mm |
| Weight | 170 g |
| Enclosure | UL94-V0 self-extinguishing PC/ABS, black |
| 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 | Voltage: 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/O | |
| Digital inputs | No. 2 activated by voltage from 12 to 24V |
| Digital outputs | No. 2, Imax capacity = 50 mA Vmax = 28V |
| analog outputs | No. 1 configurable: 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 | No. 1 RS485 port |
| Protocols | ModBUS RTU |
| Distance | Up to 1,200 m |
| Connectivity | Max 128 nodes |
| Ethernet | |
| Ports | No. 1 Ethernet 100 Mbps (R203-1 models) No. 2 Ethernet 100 Mbps (R203-2 models) |
| Protocols | ModBUS TCP-IP |
| Connections | Ethernet switch with Daisy Chain protection |
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