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Signal Isolator

SCC311

SCC311 is a signal isolator utilized to prevent damage to valuable PLCs, DCS, etc. from fluctuations in the input signal from field devices. It is also a signal multiplier that retransmits 2 output signals from 1 input signal. It accepts input from 8 types of thermocouples (B, E, J, K, N, R, S, T), Pt50, Pt100 as well as Cu53 3-wire RTD sensors, 0 - 50 mV voltage and 4-20 mA or 0 - 20 mA analog current signals. A cost-effective version for AC current/voltage input is also available. SCC311 provides isolation between its own power supply, the input and output signals up to 1 KV AC RMS per minute and 250 V AC RMS continuously. The operator calibrates Zero and Span for the isolator on the front of the unit via membrane keys. SCC311 features a single programmable LED display to indicate the measured signal. Radix can also provide a RS485/MODBUS RTU option for this isolator.

  • Universal input or AC Current/Voltage
  • Programmable Ranges
  • Up to two 4 - 20 mA (or voltage) outputs
  • Input/supply/outputs mutually isolated
  • Supply: 85 - 265 V AC/DC or 20 - 30 V DC
  • Calibration through keys - no trimpots
  • 4 digit 7 segment LED display
  • RS485/MODBUS RTU option

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