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VJB1 CT Converter
Brand: Yokogawa Electric CorporationThe VJB1 is a compact, plug-in CT converter that converts AC current signal from a current transformer (CT) into isolated DC voltage or DC current signals.
Features- Input, Output and Power Supply Terminals that are all isolated from each other.
- AC-to-DC Conversion Based on RMS Rectification
- A Withstanding Voltage of 2,000 Vac
- A Wide Supply Voltage Range - Supporting Both 100 V and 200 V Power Lines of AC or DC
- Close Side-by-Side Mounting
Specifications
Accuracy
- ± 0.5 % of Span
Consumption
- 5.5 VA at 100 Vac - Power Consumption
- 7.4 VA at 200 Vac - Power Consumption
- 87 mA at 24 Vdc - Current Consumption
Current
- 0.1-5 A AC to Span
- 1-24 mA DC - Span
Enclosure, Body Material
- ABS Resin
Frequency
- 40 to 10,000 Hz - Input Frequency
Humidity
- 5 to 90 % Relative Humidity Non-Condensing
Input
- 0.5 VA, Max.
- 0-5 A AC or 0-1 A AC
Insulation Resistance
- 100 megaohms Min. at 500 Vdc
Load
- 2,000 to 250,000 ohms Min. - Allowable Load Resistance
- 750 to 15,000 ohms, Max.
Mounting
- DIN Rail
- Terminals with M3 Screws
- Wall Mounted
Operating Temperature
- 0° to 50° C (32° to 122° F)
Output
- 0 to 100 mVdc
- 0-20 mA DC
- 0 to 24 mA DC to Current Signal
- -10-10 Vdc - Voltage Signal
Power Supply Effect
- Up to ± 0.1 % of Span - Effects of Power Line Regulation
Response Time
- 175 milliseconds, 63 % Response (10 to 90 % Change of Range)
Span & Zero Adjustments
- Within ± 5 % of Span
Supply Voltage
- 10 mV-20 Vdc - Span
- 100-240 Vac/dc (-15 %, 10 %), 50/60 Hz
- 12-36 Vdc
- 15-30 Vdc (± 20 %)
- 2,000 Vac - Withstanding Voltage
- 85-264 Vac (47 to 63 Hz)
- 85-264 Vdc
Temperature Effect
- Up to ± 0.2 % of Span Per 10° C (18° F) - Effects of Ambient Temperature
Zero Offset
- 0 to 200 % - Zero Elevation (Current Signal)
- -100 to 200 % - Zero Elevation (Voltage Signal)
