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The NCT 4422 cRIO Module is a compact, high-performance module designed for RS422 serial communication. Featuring 4 differential input/output channels, high-speed TTL support, and low latency operation, it provides reliable communication for industrial automation and embedded systems..
The NCT 4422 is designed for high-speed serial communication in embedded systems and industrial automation applications.
It is ideal for environments requiring robust, energy-efficient communication, such as RS422-based protocols (e.g., SSI, RS232).
The module includes 2 RJ45 sockets providing connections for four differential input channels and four differential output channels.
Low latency performance with typical input and output latencies of 46 ns and 35 ns, respectively.
The RS422 common mode voltage range (–7 V to +12 V) ensures compatibility with a wide range of devices in diverse applications.
Integrated LED indicators provide quick status identification for active communication channels.
4 Differential I/O Channels: Reliable, high-speed RS422 communication with both digital inputs (RX) and outputs (TX)
TTL Mode Support: High-speed single-ended I/O for extended compatibility with various systems
RS422 Common Mode: Supports a range of –7 V to +12 V for maximum compatibility
Low Latency: Input latency: 46 ns (typical), Output latency: 35 ns (typical)
Wide Protocol Support: Compatible with SSI, RS232, and other RS422-based protocols
Adaptability: FPGA code available for specific protocols on request
Easy Integration: Seamless integration with CompactRIO systems from NI (National Instruments)
LED Status Indicators: Built-in LED displays for real-time monitoring of active channels
| Feature | Specification |
|---|---|
| Channels | 4 differential I/O channels (2x RX, 2x TX) |
| Latency (Input) | 46 ns (typical) |
| Latency (Output) | 35 ns (typical) |
| RS422 Common Mode Voltage | –7 V to +12 V |
| TTL Mode | Yes, for single-ended I/O |
| Protocols Supported | SSI, RS232, RS422-based protocols |
| FPGA Code | Available on request for custom protocols |
| Connectors | 2x RJ45 sockets for I/O, PCB connection for power |
| LED Indicators | Yes, for active channel status |
| Power Supply | PCB connection for power |
| Operating Environment | Compatible with NI CompactRIO systems |
| Applications | Industrial automation, embedded systems, serial comm testing |