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CFP-TC-120 Datasheet(PDF) 1 Page - National Instruments Corporation |
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CFP-TC-120 Datasheet(HTML) 1 Page - National Instruments Corporation |
1 / 6 page Thermocouple and RTD Modules for Compact FieldPoint Overview The NI cFP-TC-12x and cFP-RTD-12x are versatile temperature input modules for Compact FieldPoint used to measure thermocouples, millivolt-level voltages, thermistors, and 2-, 3-, and 4-wire RTDs. They are used in applications such as temperature chamber control, device testing, and process control. Thermocouples are low-cost, flexible temperature devices. RTD sensors are used in applications for acquiring temperatures with high accuracy. Two- and 3-wire RTDs work well for applications with short signal wires and low noise levels; 4-wire RTDs are well-suited for applications with long signal wires or high noise levels. All of these I/O modules include overranging and onboard diagnostics to ensure trouble- free installation and maintenance. The modules measure and linearize signals on board to return scaled values to your control or monitoring software. The cFP-TC-12x and cFP-RTD-12x modules have NIST-traceable calibration certificates (available upon request) to ensure accurate and reliable analog measurements. Compact FieldPoint Compact FieldPoint is designed for industrial control applications that perform advanced embedded control, data logging, headless operation, and Ethernet connectivity. Compact FieldPoint, a rugged, reliable NI platform, is designed for industrial and mobile environments with high shock, vibration, and temperature extremes. Isolation The cFP-TC-125 provides 250 Vrms common-mode voltage protection between channels, and all cFP-TC-12x and cFP-RTD-12x modules feature optical bank isolation with 2,300 Vrms of breakdown isolation. In addition, the cFP-TC-12x and cFP-RTD-12x offer double insulation for up to 250 Vrms of operational isolation. You can safely use Compact FieldPoint with the cFP-CB-1 or cFP-CB-3 connector block in applications where hazardous voltages are present. • 8 temperature inputs • Thermocouple or millivolt • 2-, 3-, or 4-wire RTD • Built-in signal conditioning between channels • 250 V common-mode isolation on cFP-TC-125 • 50 and 60 Hz noise rejection • 16-bit resolution • Input ranges configurable in software for each channel • 2,300 Vrms bank isolation for transient overvoltage protection • Hot-swappable with autoconfiguration • -40 to 70 °C operating range NI cFP-TC-120, NI cFP-TC-125, NI cFP-RTD-122, NI cFP-RTD-124 Module Input Channels Resolution (bits) Input Type Input Ranges Software- Configurable per Channel 50/60 Hz Noise Filter All-Channel Update Period Common-Mode Between Channels Safety Isolation cFP-TC-120 8 16 Thermocouple J,K,R,S,T,N,E, and B ± 25 mV, ±50 mV 1.13 s (0.88 Hz) – 2,300 Vrms bank isolation Millivolt ±100 mV, -20 to 80 mV cFP-TC-125 8 16 Thermocouple J,K,R,S,T,N,E, and B 0.22 s (Filter Off) 0.99 s (Filter On) 250 Vrms 2,300 Vrms bank isolation Millivolt -20 to 80 mV cFP-RTD-122 8 16 2-, 3-wire RTD Pt 100, Pt 1,000 1.08 s (0.93 Hz) – 2,300 Vrms bank isolation Resistance 0 to 400, 0 to 4000 Ω cFP-RTD-124 8 16 2-, 4-wire RTD Pt 100 1.08 s (0.93 Hz) – 2,300 Vrms bank isolation Resistance 0 to 400 Ω |
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