The WH1K is a compact, front terminal connection type limit alarm that receives DC current or DC voltage signals, compares them with internal setting values and outputs alarm contacts.
Features
  • Two alarm outputs: each output has an alarm, hysteresis and direction set points

Specifications

Accuracy

  • ± 0.2 % of Span - for 4-20 mA DC or 1-5 Vdc Input
  • ± 1 % of Span - for Other Input

Alarm

  • 0 to 100 % - Alarm Action Point Setting Range

Consumption

  • 6 VA at 100 Vac - Power
  • 60 mA at 24 Vdc - Current

Electrical Connectors

  • M4 Screw Terminal

Electrical Rating

  • 0.1 A at 125 Vdc - Resistive Load
  • 0.5 A at 20 Vac (Resistance Load)
  • 1 A at 100 Vac (Resistance Load)
  • 1 A at 30 Vdc - Resistive Load

Enclosure, Body Material

  • ABS Resin

Humidity

  • 5 to 90 % Relative Humidity, Non-Condensing

Hysteresis

  • 0 to 10 %

Input

  • ± 30 Vdc - Voltage Input

Input Signal

  • 0-50 mA DC
  • -10-10 Vdc

Insulation Resistance

  • 100 megaohms or more at 500 Vdc

Mounting

  • DIN Rail Mounting
  • M4 Screw x 4
  • Rack-Mounted
  • Wall Mounted

Operating Temperature

  • 0° to 50° C (32° to 122° F)

Output Format

  • Relay Contact

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 Specification

Resistance

  • 1 Megaohm - Input Resistance During Power On
  • 100 kiloohms - Input Resistance During Power Off
  • 100 to 1,000 ohms - Input Resistance

Supply Voltage

  • 1,000 Vac/minute - AC Drive, DC 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

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