National Instruments NI 9219 - page 27

© National Instruments Corp. 27 NI 9219 Operating Instructions

4-Wire and 2-Wire Resistance,

10 kΩ

4.1 1.3 0.8 0.3

4-Wire and 2-Wire Resistance,

1 kΩ

7.1 1.8 1.2 0.7

4-Wire and 3-Wire RTD,

Pt 1000

7.6 1.7 1.1 0.4

4-Wire and 3-Wire RTD, Pt 100 10.8 1.9 1.9 0.9

Quarter-Bridge, 350 Ω5.4 1.0 1.0 0.7

Quarter-Bridge, 120 Ω5.4 1.0 1.0 0.7

Half-Bridge, ±500 mV/V 3.8 0.5 0.5 0.2

Full-Bridge, ±62.5 mV/V 5.4 1.0 1.0 0.8

Full-Bridge, ±7.8 mV/V 30 4.7 4.7 2.3

Mode, Range

Conversion Time

High

speed

Best

60 Hz

rejection

Best

50 Hz

rejection

High

reso-

lution

Contents

Main Safety Guidelines Safety Guidelines for Hazardous Voltages Safety Guidelines for Hazardous Locations Special Conditions for Marine Applications Wiring the NI 9219 Page Page Connecting Wires to the NI 9219 Connectors Wiring TEDS Channels Grounding and Shielding Considerations Figure 3. Connecting a Grounded Signal Source to the NI 9219 Figure 4. Connecting a Floating Signal Source to the NI 9219 NI 9219 Timing Options NI 9219 Circuitry Figure 5. Input Circuitry for One Channel Voltage and Current Modes Figure 6. Connections in Voltage, Current, and Digital In Modes + 4-Wire Resistance and 4-Wire RTD Modes 3-Wire RTD Mode 2-Wire Resistance and Quarter-Bridge Modes Half-Bridge and Full-Bridge Modes Thermocouple Mode Digital In Mode Open Contact Mode Sleep Mode Binary Data Excitation Protection Specifications Input Characteristics Page Page Page Page Input noise in ppm of Range Page Page Power Requirements Physical Characteristics Safety Safety Voltages Safety Standards Hazardous Locations Environmental Shock and Vibration Electromagnetic Compatibility CE Compliance Waste Electrical and Electronic Equipment (WEEE) Calibration Where to Go for Support