WXTA/WXTV Computing Unit

Brand: Yokogawa Electric Corporation

This intelligent signal conditioner has programmable specifications of abundant functions such as input signals range setting, etc. through communication with Handy Terminal.
Features
  • Settings of computing parameter and input range, zero/span adjustment, input/output value monitoring, etc. are available through communication
  • Constructions of function are available for free program type

Specifications

Accuracy

  • ± 0.1 % of Span

Current

  • 1-24 mA DC - Span

Dissipation

  • 3.5 VA at 100 Vac - Power Dissipation
  • 5.5 VA at 200 Vac - Power Dissipation
  • 75 mA at 24 Vdc - Current Dissipation

Electrical Connectors

  • M4 Screw Terminal

Enclosure, Body Material

  • ABS Plastic

Humidity

  • 5 to 95 % Relative Humidity, Non-Condensing

Input

  • ± 15 Vdc - Applicable Voltage Input
  • 0-50 mA DC - Span more than 1 mA
  • -10-10 Vdc - Span more than 0.1 V
  • 70 mA DC - Applicable Current Input

Insulation Resistance

  • 100 megaohms at 500 Vdc between Input, Output, Power Supply & Ground

Mounting

  • DIN Rail Mounting
  • Rack-Mounted
  • Wall Mounted

Output

  • 0 to 100 mVdc
  • 0 to 24 mA DC
  • 10 mV to 20 V - Span (DC)
  • -10-10 Vdc

Power Supply

  • 24 Vdc ± 10 %
  • 85-264 Vac, 47 to 63 Hz

Power Supply Effect

  • < ± 0.1 % of Span for Fluctuations of 24 Vdc ± 10 % or 85-264 Vac - Power Supply Voltage Fluctuations

Resistance

  • 1 Megaohm (When Power On) - Votage Input Resistance
  • 100 kiloohms (When Power Off) - Voltage Input Resistance
  • 100 ohms - Current Input Resistance
  • 750 to 250,000 ohms - Output Range

Response Time

  • 500 milliseconds, 63 % Response (10 to 90 %)

Span & Zero Adjustments

  • ± 1 % of Span - Input Adjust Function
  • ± 10 % of Span - Output Adjust Function

Supply Voltage

  • 1,500 Vac/minute - Withstand Voltage (AC & DC Drive) between Input, Output, Power Supply & Ground
  • 500 Vac/minute - Withstand Voltage (DC Drive) between Output & Power Supply

Temperature Effect

  • < ± 0.2 % of Span for Change of 10° C (18° F) - Effect of Ambient Temperature

Temperature Range

  • 0° to 50° C (32° to 122° F)

Zero Offset

  • 0 to 200 % - Current Signal
  • -100 to 200 % - Voltage Signal

Documentation

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