National Instruments SH96F-96M-RES SwitchBlock Cable

The National Instruments SH96F-96M-RES (Part Number 150579-01) SwitchBlock Cable is a special 96-pin SCSI cable designed to interface seamlessly with National Instruments SwitchBlock systems. The SH96F-96M-RES features 100 Ω series resistors on all columns and analog bus lines, making it particularly effective for applications with reed relay switches exposed to capacitive and inductive loads. This resistive design reduces risks from high inrush currents and flyback voltages, prolonging the service life of sensitive relay components.

The SH96F-96M-RES operates at a maximum voltage of 150 VDC or Vpk (Category I) and carries a current capacity of 25 mA, thus being suitable only for low-voltage signal applications. Both ends of the SH96F-96M-RES are terminated in extremely durable 96-pin plastic SCSI connectors-one male and one female, respectively-for providing reliable connectivity between an NI SwitchBlock card and other devices. The signal integrity is maintained by shielding in the cable, and hence it is highly reliable for critical automation and test environments.

The SH96F-96M-RES connects an NI SwitchBlock to external devices or to terminal blocks, such as the NI TBX-2809, which offers screw-terminal access for each channel of a switch module. This cable is ideal for applications that need secure and efficient signal routing, especially in setups requiring the management of capacitive or inductive stresses to be maintained at a high system performance.

Weighing 0.66 kg (1.5 lbs), the SH96F-96M-RES is a robustly constructed indoor device operating over 0 °C to 55 °C temperatures. Its versatility is further supported by compliance with Pollution Degree 2 standards and a limit of 2,000 meters above sea level. These features make the SH96F-96M-RES an integral component in integrating NI SwitchBlock platforms into industrial automation systems.

To maintain compliance with Electromagnetic Compatibility (EMC) standards, the SH96F-96M-RES must be used with shielded accessories. This ensures that the performance is optimum and electromagnetic interference is minimized, making the SH96F-96M-RES a high-performance, reliable solution for industrial signal management.