National Instruments NI 9472, NI 9474 operating instructions

OPERATING INSTRUCTIONS AND SPECIFICATIONS

NI 9472/9474

8-Channel Digital Output Modules

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Contents

Main Safety Guidelines Safety Guidelines for Hazardous Voltages Page Safety Guidelines for Hazardous Locations Special Conditions for Hazardous Locations Use in Europe Special Conditions for Marine Applications Connecting the NI 9472/9474 The NI 9472/9474 provides connections for eight digital output channels. Figure 2. NI 9472/9474 Terminal and Pin Assignments Page Page Page Increasing Current Drive Wiring for High-Vibration Applications I/O Protection Understanding Short-Circuit-Proof Devices Power Supplies and Overcurrent Conditions Detecting an Overcurrent Condition Resetting Channels After an Overcurrent Condition Sleep Mode Specifications Output Characteristics Page NI 9472 Power Requirements NI 9474 Power Requirements Physical Characteristics Safety NI 9472/9474 with Screw Terminal SafetyVoltages NI 9472 with DSUB Safety Voltages Safety Standards Hazardous Locations Environmental Shock and Vibration Electromagnetic Compatibility CE Compliance Environmental Management Waste Electrical and Electronic Equipment (WEEE) Where to Go for Support RoHS Page 373509E-01 May08