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DA2 Distributor
Brand: Yokogawa Electric Corporation
The DA2 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 1-5 Vdc signals.
Features- Available for communication with the Brain series of transmitters via communication interface
Specifications
Accuracy
- Output 1: ± 0.1 % of Span
- Output 2: Relative Error within ± 0.2 % between Output 1 & 2
Communication
- BRAIN
Consumption
- 100 mA at 24 Vdc - Current Consumption
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, Output & Power Supply, & Input & Power Supply
Mounting
- Nest-Mounting
Operating Temperature
- 0° to 50° C (32° to 122° F)
Output
- 1-5 Vdc
Power Supply
- 24 Vdc ± 10 % (Ripple Content 5 % Peak-to-Peak or Less)
- 26.5 ± 1.5 Vdc - Transmitter Power Supply
Power Supply Effect
- ± 0.1 % of Span or Less - Effect of Power Supply Voltage Fluctuations
Resistance
- 2 kiloohms or more - Allowable Load Resistance
- 250 ohms - Input 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 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
