Yokogawa Distributor, DA1
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DA1 Distributor

Brand: Yokogawa

Yokogawa Distributor, DA1
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

Brand

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 - Maximum

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)

Documentation

Data Sheets

Product Manuals

Product Drawing

Technical Information

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