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WH1A/WH1V Isolator
Brand: Yokogawa Electric Corporation
The WH1A / WH1V is a compact, front terminal connection type isolator that converts DC current or DC voltage signals into isolated DC current or DC voltage signals.
Features- Dual output and 2,000 Vac withstand voltage specifications are available
Specifications
Accuracy
- ± 0.1 % of Span
- Relative Error between Output1 & 2 is within ± 0.2 % - Dual Output
Consumption
- 10 VA at 100 Vac - Power Consumption (WH1A)
- 102 mA at 24 Vdc - Current Consumption (WH1A)
- 6 VA at 100 Vac - Power Consumption (WH1V)
- 80 mA at 24 Vdc - Current Consumption (WH1V)
Electrical Connectors
- M4 Screw Terminal
Enclosure, Body Material
- ABS Resin
Humidity
- 5 to 90 % RH, Non-Condensing
Input
- ± 30 Vdc or Less - Max.
Input Signal
- 0 to 150 mA DC
- 10 mV-600 Vdc - Span
- 100 μA-150 mA DC - Span
- -300 to 300 Vdc
Insulation Resistance
- 100 MΩ or more at 500 Vdc
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 to 20 V - Span (DC)
- -10 to 10 Vdc
- 1-24 mA DC for Span
Power Supply
- 24 Vdc ± 10 %
- 85-264 Vac, 47 to 63 Hz
Power Supply Effect
- ± 0.1 % or Less for Fluctuation within the Operating Range of Power Supply Voltage Specification
Resistance
- 1 MΩ During Power-On - Input Resistance for DC Voltage
- 100 kΩ During Power Off - Input Resistance for DC Voltage
- 100 to 1,000 ohms - Input Resistance for DC Current
- 2 to 250 kΩ or more - Allowable Load Resistance for DC Voltage Output
- 750 to 15,000 ohms or Less - Allowable Load Resistance for DC Current Output
Response Time
- 150 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 - 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)
- 0 to 73 % - Zero Elevation (Current Signal)
- -100 to 200 % - Zero Elevation (Voltage Signal)
- -80 to 73 % - Zero Elevation (Voltage Signal)
