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VJHK Limit Alarm
Brand: Yokogawa Electric CorporationThis 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)
Specifications
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
