DRF-VDC and DRF-VAC
DC and AC Voltage Input Signal Conditioners - Order online
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AC/DC Voltage Input Ranges
from 60 mV to 650 V
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Accuracy 0.3%
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Response Time for DC Signals, 70 mS
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Response Time for AC Signals, 250 mS
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Over Range Protection for Voltage Inputs
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High Impedance Voltage Inputs
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Galvanic Isolation Between Input, Output and Power
Beschreibung
This product has been discontinued. For a potential replacement, please see DR-I3P.
The DRF series DIN rail signal conditioners are
designed to accept a broad range of input signals,
such as ac and dc voltage and current, frequency,
temperature (thermocouple and RTD), and process
transducers, and provide standard process outputs
of either 4 to 20 mA, or 0 to 10 Vdc. The DRF series
feature a modern housing design, that is easily
mounted on standard 35 mm DIN rails. Connections
are safely and securely made through pluggable
screw terminal connectors, with input and output
connections on the opposite sides of the module.
The DRF-VDC and the DRF-VAC
voltage signal conditioners accept
dc and ac voltages respectively
and provide an isolated 0 to 10 Vdc
or 4 to 20 mA output. Models are
available with three different power
options, 24 Vdc, 115 Vac and
230 Vac.
The DRF-VDC and DRF-VAC
are ideally suited for industrial
applications. All models mount on
a standard 35mm DIN rail and
provide galvanic isolation between
input, output and power up to
3500 Veff (model specific).
Range Code Table for DRF-VDC and DRF-VAC
| Range Code | DRF-VDC Range | DRF-VAC Range |
| 75MV | 0 to 75 mVdc | 0 to 75 mVac |
| 150MV | 0 to 150 mVdc | 0 to 150 mVac |
| 300MV | 0 to 300 mVdc | 0 to 300 mVac |
| 650MV | 0 to 650 mVdc | 0 to 650 mVac |
| 1V | 0 to 1 Vdc | 0 to 1 Vac |
| 7.5V | 0 to 7.5 Vdc | 0 to 7.5 Vac |
| 15V | 0 to 15 Vdc | 0 to 15 Vac |
| 65V | 0 to 65 Vdc | 0 to 65 Vac |
| 300V | 0 to 300 Vdc | 0 to 300 Vac |
| 650V | 0 to 650 Vdc | 0 to 650 Vac |
SPECIFICATIONS
Accuracy: <0.2% full scale
Linearity: <0.1% full scale
Thermal Drift: 250 ppm/°C typical
Thermocouple CJC Drift: 0.1°C/°C
Response Time
DC Signal Input Models:< 70 mS (90% of signal)
AC Signal Input Models: <250 mS (90% of signal)
Input Impedance: 1 MΩ for ranges < 1 V, 10 M Ω
for ranges > 1 V
Over Range Protection:
1000 V for ranges greater than
100 V, 500 V for ranges less
than or equal to 100 V
Max AC Frequency: 1 KHz
Power: 24 Vdc ±10%, 230 Vac ±10% 50/60 Hz,
115 Vac ±10% 50/60 Hz
Power Consumption: <3.8 VA
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Output: 4 to 20 mA and 0 to 10 Vdc
Maximum Voltage Output: 11 Vdc approx.
Minimum Voltage Output: -1 Vdc approx.
Minimum Load Resistance (Voltage): >1 KΩ
Maximum Current Output: 22 mA approx.
Maximum Current Output: -1.5 mA approx.
Maximum Load Resistance (current): >400 Ω
Electrical Connections: Plug-in screw terminals
Protection: IP-30
MECHANICAL DIMENSIONS
Weight:
(DC Powered Models): 120 g (4.2 oz)
(AC Powered Models): 200 g (7 oz)
Dimensions:
(DC Powered models):
110 H x 22.5 W x 93 mm D (4.3 x 0.9 x 3.7")
(AC Powered models):
110 H x 37 W x 93 mm D (4.3 x 1.46 x 3.7")
Operating Temperature: 0 to 60°C (32 to 140°F)
Storage Temperature: -20 to 70°C (-4 to 158°F)
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SCHLIESSEN
