Yokogawa Limit Alarm, VJHK
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VJHK Limit Alarm

Brand: Yokogawa Electric Corporation
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This plug-in type Limit Alarm for DC input receives DC current or DC voltage signal.
Features
  • Each parameter setting can be changed using a PC (VJ77 PC-based Parameters Setting Tool) or the Handy Terminal (JHT200)

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Specifications

Brand

Accuracy

  • ± 0.1 % of Span

Alarm

  • 0 to 100 % of Input Range - Alarm Setting Range
  • Upper & Lower Limit Alarms - Direction of Alarm Action

Consumption

  • 1.4 W at 24 Vdc, 110 Vdc - Power Consumption
  • 3.9 VA at 100 Vac - Power Consumption
  • 4.9 VA at 200 Vac - Power Consumption

Delay Time

  • 0 to 999 seconds - Alarm ON & OFF Delay Setting Range

Electrical Connectors

  • M3 Screw Terminal

Electrical Rating

  • 0.1 A at 120 Vdc - Resistive Load
  • 0.5 A at 220 Vac - Resistive Load
  • 1 A at 120 Vac
  • 1 A at 30 Vdc

Enclosure, Body Material

  • Modified Polyphenylene Oxide Resin

Humidity

  • 5 to 90 % Relative Humidity Non-Condensing - Operating Humidity

Hysteresis

  • 0 to 100 % of Input Range - Hysteresis Setting Range

Indication

  • LED

Input Signal

  • 0-50 mA DC, Span is 5 mA or more
  • -10-10 Vdc, Span is 0.1 V or more

Insulation Resistance

  • 100 megaohms at 500 Vdc

Mounting

  • DIN Rail Mounting
  • VJ Mounting Base
  • Wall Mounted

Operating Temperature

  • 0° to 50° C (32° to 122° F)

Output Format

  • Relay Contact

Power Supply

  • 100-240 Vac/dc (-15 %, 10 %), 50/60 Hz
  • 15-30 Vdc (± 20 %)

Power Supply Effect

  • ± 0.1 % of Span or Less for the Fluctuations within the Allowable Range of Each Power Supply Voltage Specification - Effect of Power Supply Voltage Fluctuations

Relay Operation

  • Energized or De-Energized Under Normal Condition - Direction of Relay Action

Resistance

  • 1 Megaohm (100 kiloohms During Power Off) - Input Resistance for DC Voltage Signal
  • 100 ohms (Shunt Resistor Externally Connected) - Input Resistance for DC Current Signal

Resolution

  • 0.1 % - Alarm & Hysteresis Setting Resolution
  • 1 second (However, about 0.2 second is to be added to the set time to prevent wrong operation) - Alarm ON & OFF setting resolution

Response Time

  • 450 milliseconds

Supply Voltage

  • 1,000 Vac/minute between Output 1 & Output 2 Terminals - Withstand Voltage
  • 2,000 Vac/minute between Input, (Output 1, Output 2), Power Supply & Grounding Terminals Mutually - Withstand Voltage

Temperature Effect

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

Documentation

Product Drawing

Technical Information

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