National Instruments Corporation NI 9401 8-Channel, 100 ns, TTL Digital Input/Output Module
- 8-channel, 100 ns high-speed digital I/O
- 5 V/TTL, sinking/sourcing digital I/O
- Compatible with NI CompactDAQ counters
- 60 VDC, CAT I isolation
- Industry-standard 25-pin D-SUB connector
- -40 C to 70 C operating, 5 g vibration, 50 g shock
- Configure Complete CompactRIO or NI CompactDAQ System
- View Data Sheet
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The NI 9401 is an 8-channel, 100 ns, TTL digital input/output module designed by National Instruments for use with CompactDAQ and CompactRIO systems. It provides eight bidirectional digital channels that can be configured as either inputs or outputs in two four-channel groups. The module supports 5 V TTL logic levels and offers high-speed digital I/O with a maximum update rate of 10 MHz. The NI 9401 is suitable for applications requiring fast digital communication, such as pulse generation, event counting, and digital pattern I/O. It features a 25-pin D-SUB connector for easy integration and is engineered for reliable operation in industrial environments.