NI PXI-8421/4 (RS485)RS485, 4-Port Interface |
The National Instruments PXI-8421 Series modules are asynchronous RS485 interfaces, available with up to eight ports. NI PXI-8423 Series modules are identical but offer 2000 V of optical isolation with two or four ports. System Assurance ProgramsReduce your setup time and total cost of ownership, and get a system you can use out of the box with National Instruments system assurance programs. System assurance programs include:
This service is only available for PXI, NI CompactRIO, and NI Compact FieldPoint systems.
Extended WarrantiesNational Instruments designs and manufactures all products to minimize failures, however unexpected failures can still occur. Extended warranties provide a fixed economical price at the time of system purchase, covering any repair costs for up to three years. In addition, they offer the following benefits:
For more information about your warranty options:
CalibrationNI recognizes the need to maintain properly calibrated devices for high-accuracy measurements. NI provides manual calibration procedures, services to recalibrate your products, and automated calibration software to calibrate many NI measurement products. TrainingNI training is the fastest, most certain route to productivity with NI tools and successful application development. Repair ServicesReturn your registered product under warranty at no additional labor and parts cost. NI offers fault location, diagnostics, and repair any time the system fails as well as any adjustments needed to restore the hardware to manufacturing specifications.
Technical Support |
