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DC and AC Voltage Input Signal Conditioners
DRF-VDC and DRF-VAC
PLACE ORDER - AC/DC Voltage Input Ranges
from 60 mV to 650 V - Accuracy 0.3%
- Response Time for DC Signals, 70 mS
- Response Time for AC Signals, 250 mS
- Over Range Protection for Voltage Inputs
- High Impedance Voltage Inputs
- Galvanic Isolation Between Input, Output and Power
Description
Description
The DRF series DIN rail signal conditioners aredesigned to accept a broad range of input signals,such as ac and dc voltage and current, frequency,temperature (thermocouple and RTD), and processtransducers, and provide standard process outputsof either 4 to 20 mA, or 0 to 10 Vdc. The DRF seriesfeature a modern housing design, that is easilymounted on standard 35 mm DIN rails. Connectionsare safely and securely made through pluggablescrew terminal connectors, with input and outputconnections on the opposite sides of the module.
The DRF-VDC and the DRF-VACvoltage signal conditioners acceptdc and ac voltages respectivelyand provide an isolated 0 to 10 Vdcor 4 to 20 mA output. Models areavailable with three different poweroptions, 24 Vdc, 120 Vac and240 Vac.
The DRF-VDC and DRF-VACare ideally suited for industrialapplications. All models mount ona standard 35mm DIN rail andprovide galvanic isolation betweeninput, output and power up to3500 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 Ωfor ranges > 1 V
Over Range Protection:1000 V for ranges greater than100 V, 500 V for ranges lessthan 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 | |
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 KΩMaximum 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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