The NI-9475 is an eight-channel C Series sourcing digital output module for industrial devices. Each channel supplies up to 1 A at voltages up to 60 VDC.
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Key product information and technical features.
The NI-9475 provides sourcing outputs for solenoids, motors, actuators, relays, and lamps. Its C Series form factor places it within NI's modular measurement and control equipment family.
Field wiring uses a 25-pin D-SUB connector. Output voltage depends on the external supply and the voltage drop across the output impedance; channel-to-earth isolation does not provide isolation between individual channels.
Verified product specifications.
| Digital output channels | 8 channels |
|---|---|
| Output type | Sourcing |
| External power supply range | 0–60 VDC |
| Continuous output current per channel | 1 maximum A |
| Output delay at full load | 1 maximum µs |
| Output impedance | 0.14 maximum Ω |
| Power-on output state | Channels off |
| Field connector | 25-pin D-SUB |
| Continuous channel-to-earth isolation | 60; Measurement Category I VDC |
| Channel-to-channel isolation | None |
| Operating temperature | -40 to 70 °C |
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Manufacturer
Modular I/O family
Sourcing digital output module
25-pin D-SUB
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Product-specific answers based on available technical information.
It provides eight sourcing digital outputs, each rated for up to 1 A continuous current.
The specifications identify 1 µs as the maximum output delay at full load. It should not be described as a frequency in hertz.
No. The module has no channel-to-channel isolation; its continuous channel-to-earth rating is 60 VDC, Measurement Category I.