National Instruments NI 9219 Connecting Wires to the NI 9219 Connectors

© National Instruments Corp. 9 NI 9219 Operating Instructions

Connecting Wires to the NI 9219 Connectors

Use a flathead screwdriver with a blade smaller than 2.3 × 1.0mm

(0.09 × 0.04 in.) to connect wires to the detachable spring-terminal

connectors. Insert the screwdriver into a spring clamp activation

slot and press a wire into the corresponding connector terminal,

then remove the screwdriver to clamp the wire into the terminal.

Refer to the Specifications section for more information about

spring-terminal wiring. Refer to Figure2 for an illustration of

connecting wires to the NI 9219.

Figure 2. Connecting Wires to the NI 9219 Connectors

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