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WC0A Output Isolator
Brand: Yokogawa Electric Corporation
The WC0A is a compact, front terminal connection type isolator that converts 4-20 mA DC signals into isolated 4-20 mA DC or 10-50 mA DC signals.
Features- When a load circuit opens, input resistance increases rapidly to 32 KiloOhms or more to detect the open state through the input device
- 2,000 Vac withstand voltage specifications are available upon requests
Specifications
Accuracy
- ± 0.1 % of Span (4-20 mA DC Output)
- ± 0.3 % of Span (10-50 mA DC Output)
Consumption
- 6 VA at 100 Vac - Power Consumption
- 60 mA at 24 Vdc - Current Consumption
Electrical Connectors
- M4 Screw Terminal
Enclosure, Body Material
- ABS Resin
Humidity
- 5 to 90 % RH, Non-Condensing
Input
- 40 mA DC or Less - Max.
Input Signal
- 4-20 mA DC
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
- 4-50 mA DC
Power Supply
- 24 Vdc ± 10 % (DC Drive) - Power Supply
- 85-264 Vac, 47 to 63 Hz (AC Drive) - Power Supply
Power Supply Effect
- ± 0.1 % of Span or Less - Effect of Power Supply Voltage Fluctuations
Resistance
- 220 ohms or Less (10-50 mA DC Output) - Allowable Load Resistance
- 750 ohms or Less (4-20 mA DC Output) - Allowable Load Resistance
Response Time
- 10 ms, 63 % Response (10 to 90 %)
Supply Voltage
- 1,500 Vac/minute - AC & DC Drive Withstand Voltage
- 500 Vac/minute - DC Drive Withstand Voltage between Input & Power Supply
Temperature Effect
- ± 0.2 % of Span or Less for a Temperature Change of 10° C (18° F) - Effect of Ambient Temperature
Voltage Drop
- 14 Vdc or Less at 10-50 mA DC Output
- 5 Vdc or Less at 4-20 mA DC Output