WX1 Series Variable Software Computing Unit

Brand: Yokogawa Electric Corporation

The JUXTA WX1 Series, computing unit (variable software type) receives voltage input signals, applies various computing functions to them, outputs isolated DC current or DC voltage signals to controllers or recorders.

The computation parameters, zero points, and spans can be set and modified using a handy terminal (JHT200)

Specifications

Accuracy

  • (± 5 % of Set Value) ± 1 second - Accuracy of Moving Average, Velocity Computation, Dead Time & Time Constant Setting
  • ± 0.1 % of Span
  • ± 0.2 % of Span
  • ± 0.3 % of Span

Computation Cycle

  • 100 ms

Consumption

  • 60 mA at 24 Vdc (WX1V) - Current Consumption
  • 7.5 VA at 100 Vac (WX1V) - Power Consumption
  • 8.5 VA at 100 Vac (WX1A) - Power Consumption
  • 82 mA at 24 Vdc (WX1A) - Current Consumption

Current

  • 1-24 mA DC - Span

Dead Time

  • 0 to 7,990 seconds - Setting Range of Dead Time
  • 10 seconds - Factory Default

Electrical Connectors

  • M4 Screw Terminal

Enclosure, Body Material

  • ABS Resin

Humidity

  • 5 to 90 % RH, Non-Condensing - Operating Humidity

Input

  • -15 to 15 Vdc - Max.

Input Signal

  • 0-50 mA DC

Insulation Resistance

  • 100 MΩ or more at 500 Vdc between Input & Output, Output & Power Supply, & Input & Power Supply

Measuring Range

  • 0-10 Vdc when Voltage is Applied (Span: 2 V or more)

Mounting

  • DIN Rail Mounting
  • Rack-Mounted
  • Wall Mounted

Operating Temperature

  • 0° to 50° C (32° to 122° F)

Output

  • 0-24 mA DC
  • 10 mV to 20 V - Span (DC)
  • -10 to 10 Vdc
  • 1-24 mA DC - Span

Power Supply

  • 24 Vdc ± 10 % (DC Drive)
  • 85-264 Vac, 47 to 63 Hz (AC Drive)

Power Supply Effect

  • ± 0.1 % of Span or Less for Fluctuation within the Operating Range of Power Supply Voltage

Resistance

  • 1 MΩ During Power-On - Input Resistance
  • 100 kΩ or more During Power OFF - Input Resistance
  • 100 to 5,000 ohms - Input Resistance
  • 2 to 250 kΩ or more - DC Voltage Signal
  • 750 to 15,000 ohms or Less - DC Current Signal

Response Time

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

Span & Zero Adjustments

  • ± 1 % of Span - Input & Output Adjustment Function

Supply Voltage

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

Temperature Effect

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

Time Constant

  • 0 to 799 seconds - Setting Range of Time Constant
  • 0.1 second Min.

Zero Offset

  • 0 to 200 % - Zero Elevation (Current Signal)
  • -100 to 200 % - Zero Elevation (Voltage Signal)
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