National Instruments NI 9421 Sinking Digital Input Module, 8 Channels

Ni 9421. National Instruments NI 9421 cDAQ Digital Input Module eBay The NI‑9421 offers isolation between the input channels and earth ground. The NI 9421 is an 8-channel, 100 µs sinking digital input module for any NI CompactDAQ or CompactRIO chassis

There are two connector options for the NI 9421 - a 10-position screw-terminal connector and a 25-position D-Sub connector Installing the NI 9421 in the NI USB-9162 Carrier The NI 9421 module and NI USB-9162 carrier are packaged separately

National Instruments NI 9421 cDAQ Digital Input Module eBay

This industry-standard 25-position D-Sub connector provides for low-cost cabling to a wide variety of accessories from NI or other vendors Each channel also has an LED that indicates the state of that channel NI 9421 Signals Each channel of the NI 9421 has a DI terminal or pin to which you can connect voltage or current signals

NATIONAL INSTRUMENTS NI 9421 DIGITAL INPUT MODULE United Marine Services. Each channel is compatible with 24 V logic levels and has an LED indicating the state of that channel This industry-standard 25-position D-Sub connector provides for low-cost cabling to a wide variety of accessories from NI or other vendors

NI 9421 Datasheet National InstrumentsThe NI 9421 is an 8channel. Make sure that no signals are connected to the NI 9421 module Each channel is compatible with 24 V signals and features transient overvoltage protection of 2,300 Vrms between the input channels and earth ground