The NI 9975 is a 16-position single screw terminal block that serves as a field wiring interface for National Instruments C Series data acquisition modules. This accessory pair provides direct connectivity between field wiring and C Series I/O devices, eliminating the need for custom harnesses and reducing installation time. Each terminal block features 16 positions with a male COMBICON connector mated to a female screw terminal block plug, delivering signal and power routing in a compact form factor.
Technical Specifications
• Model: NI 9975
• Part Number: 196741-01
• Connector Type: 16-Pin Male COMBICON to 16-Pin Female Screw Terminal Block Plug
• Positions per Block: 16
• Quantity Supplied: 2 terminal blocks
• Weight: Approximately 1 lb per unit
• Country of Origin: Italy
– Key Features
• Two screw terminal plugs per block for flexible field wire routing
• Integrated strain relief on D-SUB configurations
• Operator protection integrated into D-SUB terminal designs
• Direct interface with NI C Series 16-position screw terminal connectors
• Supports multiple terminal types: screw, D-SUB, and spring designs
– Typical Applications
• Signal conditioning in distributed data acquisition systems
• Power distribution to C Series analog and digital I/O modules
• Field sensor and actuator connections in industrial measurement setups
• Multi-channel signal routing where organized terminal access is required
– Compatibility & Integration
Designed specifically for NI C Series modules equipped with 16-position screw terminal connectors, including the NI 9923. For D-SUB module applications, a front-mounted terminal block or combination cable and terminal block configuration may be necessary. EU and UK Declarations of Conformity documentation available.
















