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WB3A/V Current Converter
Brand: Yokogawa Electric Corporation
The WB3A/WB3V is a compact, front terminal connection type AC current converter that converts AC current signals into isolated DC current or DC voltage signals.
Features- AC/DC conversion is made by root mean square value
- Dual output and 2,000 Vac withstand voltage specifications are available
Specifications
Accuracy
- ± 0.3 % of Span
- Relative Error between Output 1 & 2 is within ± 0.2 %
Consumption
- 6 VA at 100 Vac - Power Consumption (WB3V-2)
- 60 mA at 24 Vdc - Current Consumption (WB3V-1)
- 7 VA at 100 Vac - Power Consumption (WB3A-2)
- 90 mA at 24 Vdc - Current Consumption (WB3A-1)
Electrical Connectors
- M4 Screw Terminal
Enclosure, Body Material
- ABS Resin
Frequency
- 40 to 1,000 Hz - Input Frequency
Humidity
- 5 to 90 % RH, Non-Condensing
Input
- 120 % (Continuous) - Max.
- 200 % (One Minute) - Max.
Input Signal
- 0 to 1,000 mA AC
- 4-1,000 mA AC - Span
Insulation Resistance
- 100 MΩ or more at 500 Vdc between Input & Output, Input & Power Supply, Input & Ground, Output & Power Supply, Output & Ground, & Power Supply & Ground
Mounting
- DIN Rail Mounting
- M4 Screw x 4
- Rack-Mounted
- Wall Mounted
Operating Temperature
- 0° to 50° C (32° to 122° F)
Output
- 0-24 mA DC
- 10 mV - 20 V - Span (DC)
- -10 to 10 Vdc
- 1-24 mA DC - Span (DC)
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
Resistance
- 1 ohm or Less - Input Resistance at 100-1,000 mA AC
- 10 ohms or Less - Input Resistance at 10 to 100 mA AC
- 2 to 250 kΩ or more - Allowable Load Resistance for DC Voltage Output
- 25 ohms or Less- Input Resistance at 4-10 mA AC
- 750 to 15,000 ohms or Less - Allowable Load Resistance for DC Current Output
Response Time
- 300 ms, 63 % Response (10 to 90 %)
Span & Zero Adjustments
- -5 to 5 % - Zero Adjustment
- 95 to 105 % - Span Adjustment
Supply Voltage
- 1,500 Vac/minute - AC & DC Drive Withstand Voltage
- 500 Vac/minute between Output & Power Supply - 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
Zero Offset
- 0 to 200 % - Zero Elevation (Current Signal)
- -100 to 200 % - Zero Elevation (Voltage Signal)
