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WS1A/WS1V Free Range Type Potentiometer Converter
Brand: Yokogawa Electric Corporation
The WS1A/WS1V is a compact, front terminal connection type potentiometer converter that is used in combination with an instrument such as a control valve which outputs the change in resistance of potentiometer.
It converts the change in resistance into isolated DC current or DC voltage signals.
Features- Input range setting, burnout setting, I/O monitoring, and zero/span adjustment can be made using the optional parameter setting tool (VJ77) or handy terminal (JHT200)
- Dual output and 2,000 Vac withstand voltage specifications are available
Specifications
Accuracy
- ± 0.1 % of Span
- Dual Output: Relative Error within ± 0.2 % between Output 1 & 2
Burn-Out
- 60 seconds or Less - Burn-Out Time
- Down
- Off
- Up
Consumption
- 3 VA at 100 Vac (WS1V) - Power Consumption
- 4 VA at 100 Vac (WS1A) - Power Consumption
- 4.5 VA at 200 Vac (WS1V) - Power Consumption
- 5.5 VA at 200 Vac (WS1A) - Power Consumption
- 50 mA at 24 Vdc (WS1V) - Current Consumption
- 65 mA at 24 Vdc (WS1A) - Current Consumption
Current
- 0.1 µA - Burn-Out Detection Current
Electrical Connectors
- M4 Screw Terminal
Enclosure, Body Material
- ABS Resin
Humidity
- 5 to 90 % Relative Humidity, Non-Condensing - Operating Humidity Range
Insulation Resistance
- 100 megaohms 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
- Rack-Mounted
- Wall Mounted
Operating Temperature
- 0° to 50° C (32° to 122° F)
Output
- 0 to 100 mVdc
- 0 to 24 mA DC
- 10 mV-20 V - Span (DC)
- -10-10 Vdc
- 1-24 mA DC - Span (DC)
Power Supply
- 100-240 Vac (-15 %, 10 %) 50/60 Hz (AC Drive)
- 24 Vdc ± 10 % (DC Drive)
Power Supply Effect
- ± 0.1 % of Span or Less for Fluctuation within the Operating Range of Power Supply Voltage
Resistance
- 100 to 2,000 ohms - Total Resistance
- 150 ohms - Allowable Leadwire Resistance
- 2 to 250 kiloohms or more - Allowable Load Resistance for DC Voltage
- 750 to 15,000 ohms or Less - Allowable Load Resistance for DC Current
- 80 to 2,000 ohms - Measuring Span
Response Time
- 200 milliseconds, 63 % Response (10 to 90 %)
Span & Zero Adjustments
- ± 10 % of Span - Output Adjustment
- ± 5 % of Span for -10-10 Vdc Output
Supply Voltage
- 1,500 Vac/minute - DC & AC Drive Withstand Voltage
- 500 Vac/minute between Output & Power Supply - AC 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)