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DF1 Pneumatic to Electric Converter
Brand: Yokogawa
The DF1, a nest-mounting type DCS-supported P/E converter, converts pneumatic signals into DC current or DC voltage signals.
Features- No orientation errors
- A compact, high-performance model with a semiconductor pressure sensor
Specifications
Brand
Accuracy
- ± 0.5% of Span - Output 1
- Relative Error within ± 0.2% between Output 1 & 2 - Output 2
BSP Connection
- 1/4" BSPT Female (PT 1/4" Female Screw) - Air Connection
Consumption
- 50 mA at 24 Vdc (1-5 Vdc) - Current Consumption
- 80 mA at 24 Vdc (4-20 mA DC) - Current Consumption
Current
- 1-24 mA DC - Span
Humidity
- 5 to 90% Relative Humidity, Non-Condensing
Input
- psi: 29 (kPa: 200, bar: 2) or less - Allowable Input Pressure
Input Signal
- 0.2 to 1.0 kgf/cm²
- psi: 2.84 to 15 (kPa: 19.6 to 103.4, bar: 0.196 to 1.034)
Insulation Resistance
- 100 MegaOhms or more at 500 Vdc between Output & Power Supply, Output & Aluminum Die Casting, & Power Supply & Aluminum Die Casting
Media
- Non-Corrosive Dry Gases
Mounting
- Nest-Mounting
Operating Temperature
- 0° to 50° C (32° to 122° F)
Output
- 0 to 24 mA DC
- 10 mV-20 V - Span (DC)
- -10-10 Vdc
Power Supply Effect
- ± 0.1% of Span or less for the Fluctuation within the Operating Range of Power Supply Voltage Specification
Resistance
- 750 to 250,000 ohms - Allowable Load Resistance
Response Time
- 100 milliseconds, 63% Response (10 to 90%)
Span & Zero Adjustments
- -5 to 5% - Zero Adjustment
- 95 to 105% - Span Adjustment
Supply Voltage
- 24 Vdc ± 10% (Ripple Content 5% peak-to-peak or less)
- 500 Vac/minute between Output & Power Supply, Output & Aluminum Die Casting, & Power Supply & Aluminum Die Casting - withstand Voltage
Temperature Effect
- ± 0.4% of Span or less for a Temperature Change of 10° C (18° F) - Effect of Ambient Temperature Change
Zero Offset
- 0 to 200% - Current Signal (Zero Elevation)
- -100 to 200% - Voltage Signal (Zero Elevation)
