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VJRK RTD Input Limit Alarm
Brand: Yokogawa Electric Corporation
This plug-in type Limit Alarm for RTD input receives RTD signal.
Features- Each parameter setting can be changed using a PC (VJ77 PC-based Parameters Setting Tool) or the Handy Terminal (JHT200)
- For the Fahrenheit display, specify the option “/DF”
Specifications
Accuracy
- ± 0.1 % of Span
Alarm
- 0 to 100 % of Input Range - Alarm Setting Range
- High - Direction of Alarm Action
- Low - Direction of Alarm Action
Burn-Out
- Downscale
- Off
- Time - within 60 seconds
- Upscale
Consumption
- 1.9 W at 24 Vdc & 110 Vdc - Power Consumption
- 4.1 VA at 100 Vac - Power Consumption
- 5.1 VA at 200 Vac - Power Consumption
Current
- Approximately 0.5 mA - Detective Current
Electrical Connectors
- M3 Screw Terminal
Electrical Rating
- 0.1 A at 120 Vdc - Resistive Load - Contact Rating
- 0.5 A at 220 Vac - Resistance Load - Contact Rating
- 1 A at 120 Vac (Resistance Load) - Contact Rating
- 1 A at 30 Vdc - Resistive Load - Contact Rating
Enclosure, Body Material
- Modified Polyphenylene Oxide Resin
Humidity
- 5 to 90 % Relative Humidity, Non-Condensing - Operating Humidity Range
Hysteresis
- 0 to 100 % of Input Range - Hysteresis Setting Range
Indication
- LED - Front Panel Lights
Insulation Resistance
- 100 megaohms at 500 Vdc between Input, Output 1, Output 2, Power Supply & Grounding Rerminals Mutually
Measuring Span
- 10° C (50° F) or more
Mounting
- Base Mounting - VJ
- DIN Rail Mounting
- Wall Mounted
Operating Temperature
- 0° to 50° C (32° to 122° F)
Operating Voltages
- 12-36 V
- 85-264 V
Output Format
- Relay Contact - Signal Typical
Power Supply
- 100-240 Vac/dc (-15 %, 10 %), 50/60 Hz - Power Supply Rated & Input Voltage
- 15-30 Vdc (± 20 %) - Power Supply Rated & Input Voltage
Power Supply Effect
- ± 0.1 % of Span or Less for the Fluctuations within the Allowable Range of Each Power Supply Voltage Specification
Resistance
- ± 2° C (0.36° F) or Less for a Change of 10 ohms / Leadwire - Effects of Leadwire Resistance
- 1 Megaohm (During Power On) - Input Resistance
- 10 ohms/Leadwire - Allowable Leadwire Resistance
- 4 kiloohms (During Power Off) - Input Resistance
Resolution
- 0.1° C, with Four Significant Digits - Setting Resolution
- 1 second (0.2 second is to be Added to the Set Time to Prevent Wrong Operation) - Setting Resolution
Response Time
- 450 milliseconds
RTD Type
- JPt100 (JIS'89)
- Pt100 (ITS-90), (JIS’89) & (IPTS-68)
- Pt50 (JIS’81)
Sensor, Probe Type
- IEC/JIS-Standard RTD
Supply Voltage
- ± 4 Vdc - Max.
- 1,000 Vac/minute - Withstand Voltage between Output 1 & Output 2 Terminals
- 2,000 Vac/minute - Withstand Voltage between Input, (Output 1, Output 2), Power Supply & Grounding Terminals Mutually
Temperature Effect
- ± 0.2 % of Span or Less for a Temperature Change of 10° C (18° F) - Effect of Ambient Temperature
Temperature Range
- 0° to 100° C (32° to 212° F) - Input Range
- -200° to 660° C (-328° to 1,220° F) - Guaranteed Range