Precision-digital PD6830 Manual do Utilizador descarregar pdf (Página 9)

PD6830 Pulse Input Rate/Totalizer Instruction Manual

4-20 mA Transmitter Output

OUTPUT

SOURCE

Rate or total

SCALING RANGE 4.000 to 20.000 mA for any display range.

CALIBRATION Factory Calibrated: 0.0 to 1000.0 = 4-20 mA output

UNDERRANGE Output Underrange: 3.8 mA

OVERRANGE Display Overrange: 22.0 mA

Output Overrange: 20.5 mA

ACCURACY ± 0.1% span ± 0.004 mA

TEMPERATURE

DRIFT

0.4 µA/C max from 0 to 65C ambient,

0.8 µA/C max from -40 to 0C ambient

Note: Analog output drift is separate from input drift.

EXTERNAL LOOP

POWER SUPPLY

30 VDC maximum

OUTPUT LOOP

RESISTANCE

Power supply Minimum Maximum

24 VDC

10  700 

30 VDC

100  1200 

Note: loop-powered backlight subtracts 150



from

maximum resistance figures above.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 59 60

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Precision-digital PD6830 Manual do Utilizador Página 9