DIN Rail Frequency Input Signal Conditioner
DRF-FR Freqency Input Signal Conditioner
Volume discounts available
Volume Discount Schedule
| Quantity | Price each |
|---|---|
| 1-4 | $236.27 |
| 5-9 | $224.46 |
| 10-24 | $219.73 |
| 25-49 | $210.28 |
| 50-99 | $205.55 |
| 100+ | $200.83 |
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- NPN, PNP, NAMUR, Voltage Pulse, Voltage AC (up to 200 Vac)
- Frequency Signals from 10 Hz up to 50 KHz
- Accuracy 0.2%
- Excitation Voltage 15 Vdc (20 mA) or 9V2 for NAMUR
- Galvanic Isolation between Input, Output and Power
- Part of a Comprehensive Family of Signal Conditioners
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Input Type
Input Class
Input Ranges
Output Type
Output Class
Supply Voltage Type
Isolation
Programability
Product Specs
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-FR signal conditioner accepts a frequency input and provides an isolated 0 to 10 Vdc or 4 to 20 mA output. Models are available with three different power options, 24 Vdc, 120 Vac and 240 Vac.
The DRF-FR 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 . Module response time is 250 ms or less.
Adjustable Input Ranges
The front door of the housing provides easy access span and offset potentiometers which may be used field adjust the input and output signal range. The ranges shown in the Range Table below are supported.
Isolation
The input, output and power circuits are isolated by 3500 volts of galvanic isolation. The isolation protects against potentially damaging voltages from passing through the signal conditioners into connected systems. The isolation also provides improved measurement accuracy by minimizing the effects of ground loops and electrical noise.
Outputs
Each DRF series signal conditioner is available with current and voltage output (only one may be used at a time). Available output types include 4 to 20 mA or 0 to 10 Vdc. Although pre-configured before shipping from the factory, the output may be changed through an internal jumper change. Standard outputs are linear and proportional to the signal input.
The DRF-FR signal conditioner accepts a frequency input and provides an isolated 0 to 10 Vdc or 4 to 20 mA output. Models are available with three different power options, 24 Vdc, 120 Vac and 240 Vac.
The DRF-FR 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 . Module response time is 250 ms or less.
Adjustable Input Ranges
The front door of the housing provides easy access span and offset potentiometers which may be used field adjust the input and output signal range. The ranges shown in the Range Table below are supported.
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Isolation
The input, output and power circuits are isolated by 3500 volts of galvanic isolation. The isolation protects against potentially damaging voltages from passing through the signal conditioners into connected systems. The isolation also provides improved measurement accuracy by minimizing the effects of ground loops and electrical noise.
Outputs
Each DRF series signal conditioner is available with current and voltage output (only one may be used at a time). Available output types include 4 to 20 mA or 0 to 10 Vdc. Although pre-configured before shipping from the factory, the output may be changed through an internal jumper change. Standard outputs are linear and proportional to the signal input.
| SPECIFICATIONS Signal Type: NPN, PNP, NAMUR, Voltage Pulse, AC up to 200 Vac (2 ranges < 24 Vac and < 200 Vac) Accuracy: <0.2% full scale Linearity: <0.1% full scale Thermal Drift: 250 ppm/°C typical (max <200ppm/°C) Response Time 0 to 100 Hz: <300 mS (90% of signal) 0 to 500 Hz: <250 mS (90% of signal) 0 to 5 KHz: <200 mS (90% of signal) 0 to 50 KHz: <150 mS (90% of signal) Impedance Voltage Input: (<24 Vac Range): 100 KΩ Voltage Input: (<200 Vac Range): 1 M PNP and NPN Input: 10 KΩ NAMUR Input: 1 KΩ Over Range Protection Voltage Input (<24 Vac Range): 75 V Voltage Input (<200V ac Range): 300 V PNP and NPN Input: 35 V NAMUR Input: Always powered by 9V2 | 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 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) |
What is the minimum peek to peak voltage for a sinusoidal wave at the <20 volt level and the <200 volt level required to distinguish frequency?
Thank you for your question. The minimum ac value should be greater than 300 mv p/p.
Date published: 2020-06-23
