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DQ0 Free Range Type Analog to Pulse Converter
Brand: Yokogawa Electric Corporation
The DQ0 is a nest-mounting type DCS-supported Analog-to-pulse converter that receives DC current or DC voltage signals, and converts them into pulse-train signals.
Features- Ranges, output pulse width, low output cut point, zero points and spans, Input/Output monitoring can be set and modified using a Handy Terminal (JHT200)
Specifications
Accuracy
- ± 0.1 % of Span
Consumption
- 60 mA at 24 Vdc - Current Consumption
Electrical Connectors
- Dedicated Cable
- M4 Screw Terminal
Frequency
- 0 to 1,000 Hz - Output Fequency
Humidity
- 5 to 90 % Relative Humidity Non-Condensing - Operating Humidity Range
Input Signal
- 1-5 Vdc
- 4-20 mA DC
Insulation Resistance
- 100 megaohms or more at 500 Vdc between Input & Output, Output & Power Supply, & Input & Power Supply
Load
- 30 Vdc / 200 mA - Max.
Mounting
- Nest-Mounting
Operating Temperature
- 0° to 50° C (32° to 122° F)
Output
- Open Collector
Power Supply
- 24 Vdc ± 10 % (Ripple Content 5 % Peak-to-Peak or Less)
Power Supply Effect
- ± 0.1 % of Span or Less for the Fluctuation within the Operating Range of Power Supply Voltage Specification
Pulse Range
- 0.1 to 500 milliseconds
Resistance
- 1 Megaohm During Power On (1-5 Vdc) - Input Resistance
- 100,000 ohms During Power Off (1-5 Vdc) - Input Resistance
- 250 ohms (4-20 mA DC) - Input Resistance
Response Time
- 1.5 seconds - Span is less than 100 Hz, 63 % Response (10 to 90 %)
- 200 milliseconds - Span is 100 Hz or more
Span & Zero Adjustments
- ± 1 %
Supply Voltage
- 1,500 Vac/minute between Output & (Input & Power Supply) - Withstand Voltage
- 500 Vac/minute between Input & 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