The NI SH68-C68-IMAQ1409 is a shielded cable assembly designed for data acquisition and image acquisition applications. It connects National Instruments DAQ devices via dual 68-pin VHDCI connectors, delivering signal integrity in measurement and automation environments. The cable employs twisted-pair construction with comprehensive shielding to maintain signal fidelity across demanding test setups.
Technical Specifications
• Connectors: 68-pin VHDCI on both ends
• Cable Type: Shielded assembly
• Internal Construction: 34 twisted pairs
• Wire Gauge: 28 AWG signal conductors
• Differential Impedance: 132 ohms ±10 ohms @ TDR
• Mutual Capacitance: 12.5 pF/ft maximum
• Time Delay: 1.45 ±0.05 ns/ft
• Outer Diameter: 0.380 inches
• Bend Radius: 4.6 inches
– Key Features
• High-density VHDCI connector architecture for compact integration
• Twisted-pair transmission line design minimizes crosstalk and electromagnetic interference
• Controlled impedance (132 ohms) ensures signal integrity across cable runs
• Shielded construction provides EMI rejection in electrically noisy environments
• Specified time delay supports synchronous multi-channel measurements
– Typical Applications
• Image acquisition systems requiring multi-channel signal transport
• Data acquisition setups with National Instruments hardware
• Test and measurement automation platforms
• High-channel-count signal routing between DAQ modules and external instrumentation
– Compatibility & Integration
The SH68-C68-IMAQ1409 interfaces with National Instruments DAQ devices featuring 68-pin VHDCI connectors, including NI 63xx (X Series) and NI 62xx (M Series) hardware families. The IMAQ designation confirms compatibility with NI’s image acquisition product ecosystem. Dual VHDCI connectors enable point-to-point connectivity between devices without adapter requirements.
