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DC0 Output Isolator
Brand: Yokogawa
The DC0, a nest-mounting type DCS-supported isolator, receives 4 to 20 mA DC signals from DCS, and converts them into 4 to 20 mA DC or 10 to 50 mA DC current 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
- Recommended arrester: AR-HA
Specifications
Brand
Accuracy
- ± 0.1% of Span - for 4-20 mA DC Output
- ± 0.3 of Span - for 10-50 mA DC Output
Consumption
- 60 mA at 24 Vdc (4-20 mA) - Current Consumption
- 90 mA at 24 Vdc (10-50 mA) - Current Consumption
Electrical Connectors
- M4 Screw Terminal
Humidity
- 5 to 90% Relative Humidity, Non-Condensing
Input
- 40 mA or less - Maximum
Input Signal
- 4-20 mA DC
Insulation Resistance
- 100 MegaOhms or more at 500 Vdc between Input & Output, Output & Power Supply, & Input & 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
- 10 milliseconds, 63% Response (10 to 90%)
Supply Voltage
- 1,500 Vac/minute - withstand Voltage between Output & (Input & Power Supply)
- 500 Vac/minute - 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 (10-50 mA DC Output)
- 5 Vdc or less (4-20 mA DC Output)
