Teracom: TSV300

Monitor AC/DC voltages via Modbus RTU

The TSV300 measures AC voltages using true RMS and DC voltages on four inputs. Measurements are available via RS485/Modbus RTU. The module mounts on a 35 mm DIN rail and works with TCW242, TCW260 and third-party Modbus RTU master devices.

• 4 measurement inputs with common measurement ground
• Input range: 0–264 V AC or −370 to +370 V DC
• True RMS measurement, 24-bit ADC
• Accuracy: ±0.5%
• Measurement cycle: 500 ±50 ms
• Input resistance: >2.4 MΩ
• RS485 with Modbus RTU, up to 63 bus nodes
• 1500 V RMS galvanic isolation between measurement side and interface
• 120 Ω termination resistor, enabled via terminal
• Power supply: 5–28 V DC; 15 mA at 12 V
• Screwless pluggable terminals
• Mounting: 35 mm DIN rail
• Dimensions without connectors: 35 × 96 × 59 mm
• Weight: 75 g
• Operating temperature: −20 to +60 °C
• Relative humidity: 10–90%, non-condensing
• Protection rating: IP20
• Firmware update via RS485

• TSV300

• TSV300