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Resistance and Potentiometer Input Signal Conditioners
DRF-RES and DRF-POTPLACE ORDER
- Resistances between 1 K Ω and 10 K Ω
- Excitation Current 0.2 mA
- Potentiometers between 100 min and 1 M Ω max
- Response Time < 70 mS
- Accuracy 0.2%
- Galvanic Isolation Between Input, Output and Power
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-RES and DRF-POT signalconditioners accept resistance andpotentiometer input respectively andprovide an isolated 0 to 10 Vdc or4 to 20 mA output.
The DRF-RES is available with fourstandard ranges from 0 to 1500Ωto 0 to 10,000Ω. The DRF-POT canwork with a variety ofpotentiometers from 100Ω upto 1 MΩ.
Models are available with threedifferent power options, 24 Vdc,120 Vac and 240 Vac.The DRF-RES and DRF-POTare ideally suited for industrialapplications. All models mount on astandard 35 mm DIN rail andprovide galvanic isolation betweeninput, output and power up to3500 Veff (model specific). Moduleresponse time is 70 ms or less.
Range Code Table for DRF-RES
|0/1.5K||0 to 1500Ω|
|0/3K||0 to 3000Ω|
|0/5K||0 to 5000Ω|
|0/10K||0 to 10000Ω|
DRF-RES: 2 wire
DRF-POT: 3 wire
Accuracy: <0.2% full scale
Linearity: <0.1% full scale
Thermal Drift: 250 ppm/°C typical (max <200ppm/°C)
Response Time: <70 mS (90% of signal)
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
(DC Powered Models): 120 g (4.2 oz)
(AC Powered Models): 200 g (7 oz)
(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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