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DA1 Distributor
Brand: Yokogawa Electric Corporation
The DA1 is a nest-mounting type DCS-supported distributor, is used in combination with a two-wire transmitter, and converts 4 to 20 mA DC signals into isolated DC current or DC voltage signals.
Features- Available for use with safety barriers
Specifications
Accuracy
- ± 0.1 % of Span - Output 1
- Relative Error between Output 1 & 2 is within ± 0.2 % - Output 2
Consumption
- 110 mA at 24 Vdc (4-20 mA) - Current Consumption
- 80 mA at 24 Vdc (1-5 V) - Current Consumption
Current
- 1-24 mA DC - Span Current Signal
Electrical Connectors
- M4 Screw Terminal
Humidity
- 5 to 90 % Relative Humidity, Non-Condensing
Input
- 40 mA DC - Max.
Input Signal
- 4-20 mA DC from 2-Wire Transmitter
Insulation Resistance
- 100 megaohms or more at 500 Vdc between Input & Output, Input & Power Supply, & Output & Power Supply
Mounting
- Nest-Mounting
Operating Temperature
- 0° to 50° C (32° to 122° F)
Output
- 0 to 24 mA DC
- 10 mV to 20 V - Span (DC)
- -10-10 Vdc
Power Supply
- 24 Vdc ± 10 % (Ripple Content 5 % Peak-to-Peak or Less)
- 26.5 ± 1.5 Vdc - Transmitter Power Supply (with a Current Limiting Circuit to Keep the Current between 25 to 35 mA)
Power Supply Effect
- ± 0.1 % of Span or Less for Fluctuation within the Operating Range of Power Supply Voltage Specification
Resistance
- 2 to 250 kiloohms or more - Allowable Load Resistance for Voltage Output
- 250 ohms - Input Resistance
- 750 to 15,000 ohms or Less - Allowable Load Resistance for Current Output
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 Input & (Output & Power Supply) - Withstand Voltage
- 500 Vac/minute between Output & Power Supply - 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)
