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DA0 Output Isolator
Brand: Yokogawa Electric Corporation
The DA0 is a nest-mounting type DCS-supported isolator that receives 1-5 Vdc signals from DCS, and converts them into isolated 4 to 20 mA DC or 10 to 50 mA DC signals.
Specifications
Accuracy
- ± 0.1 % of Span
Consumption
- 132 mA at 24 Vdc (10-50 mA) - Current Consumption
- 85 mA at 24 Vdc (4-20 mA) - Current Consumption
Current
- 1-40 mA - Span (DC)
Electrical Connectors
- M4 Screw Terminal
Humidity
- 5 to 90 % Relative Humidity, Non-Condensing
Input
- 40 mA or Less - Max.
Input Signal
- 1-5 Vdc
Insulation Resistance
- 100 megaohms or more at 500 Vdc between Input & Output, Input & Power Supply Mutually, & Output & Power Supply
Mounting
- Nest-Mounting
Operating Temperature
- 0° to 50° C (32° to 122° F)
Output
- 10-50 mA DC
- 4-20 mA DC
Power Supply
- 24 Vdc ± 10 % (Ripple Content 5 % Peak-to-Peak or Less)
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
- 150 milliseconds, 63 % Response (10 to 90 %)
Span & Zero Adjustments
- -1 to 1 % - Zero Adjustment
- 95 to 105 % - Span Adjustment
Supply Voltage
- 1,500 Vac/minute between Output & Input, Output & Power Supply - Withstand Voltage
- 500 Vac/minute between Input & Power Supply - Withstand Voltage
Temperature Effect
- ± 0.2 % of Span or Less for Change of 10° C (18° F) - Effect of Ambient Temperature Change
Voltage Drop
- 14 Vdc or Less (10-50 mA DC Output)
- 5 Vdc or Less (4-20 mA DC Output)
Zero Offset
- 25 % - Zero Elevation (Current Signal)
