Digital I/O Connectivity and Signal Conditioning

Cables, Connector Blocks, and Signal Conditioning

This document outlines the selection process for National Instruments Digital I/O cables, connector blocks, and signal conditioning hardware. The process involves two main steps.

Step 1: Choose your connector block and cable

Refer to the digital I/O accessories section for details.

Device	Connector Block	Cables
PCI-6527, PXI-6527	CB-100 Kit, SCB-100	Kit includes R1005050 cable SH100-100-F. R1005050 (splits into two 50-pin connectors); with this cable, you can use two accessories from this group with one NI 6527 device.
PCI-6503, PC-DIO-24, DAQCard-DIO-24	CA-1000, CB-50, CB-50LP	SH50-50 or NB1, PSH27-50F-D
PCI-DIO-96, PXI-6508	CA-1000, CB-50, CB-50LP	Kit includes R1005050 cable SH100-100-F. NB5 (Splits into two 50-pin connectors); with this cable, you can use two accessories from this group with each device.
PC-DIO-96	CA-1000, CB-50, CB-50LP	Kit includes NB5 cable SH100-100-F. NB5 (Splits into two 50-pin connectors); with this cable, you can use two accessories from this group with each device.

Step 2 (Optional): Choose your signal conditioning hardware and enclosures

Device	SCXI Signal Conditioning System (Page 270)	SSR Series Modules (Page 349)	SC-206x Device (Page 349)	ER-8, ER-16 Electromechanical Relays (Page 349)	CA-1000 Custom Connectivity Enclosure (Page 351)
PCI-6527	✓	✓	✓	✓	✓
PXI-6527	✓	✓	✓	✓	✓
PCI-DIO-96	✓	✓	✓	✓	✓
PXI-6508	✓	✓	✓	✓	✓
PC-DIO-96	✓	✓	✓	✓	✓
PCI-6503	✓	✓	✓	✓	✓
PC-DIO-24	✓	✓	✓	✓	✓
DAQCard-DIO-24	✓	✓	✓	✓	✓

Digital I/O Accessories and Cables Details

SCXI - High-Performance Modular Signal Conditioning

Description: SCXI is a modular high-performance signal conditioning system serving as a front end for DIO devices. It offers isolation, extended voltage ranges (up to 250 Vrms), increased current switching capabilities, and expanded channel counts (up to 3,072 I/O lines). SCXI systems can also include modules for analog output and general-purpose switching. It enables the creation of integrated, flexible, high-channel-count measurement systems with tailored signal conditioning components. See page 270 for details.

SCC - Portable Modular Signal Conditioning

Description: National Instruments offers SCC modules for portable, low-channel-count digital signal conditioning. These modules mount in a compact, versatile carrier. See page 251 for details.

Digital Signal Conditioning Accessories

Description: National Instruments provides various options for low-channel-count digital signal conditioning, offering cost-effective solutions for systems requiring isolated I/O or relays for controlling external devices. Most of these products connect directly to National Instruments digital I/O devices. See page 349 for details.

CA-1000 Configurable Signal Connectivity Solution

Description: A configurable solution for connecting DIO devices to different standard I/O connectors and for incorporating switches and LED indicators. It can be placed under a laptop PC, on a benchtop, or in a 19-inch rack. Dimensions: 30.7 by 25.4 by 4.3 cm (12.1 by 10 by 1.7 inches). Part Number: See page 351.

SCB-100 Shielded I/O Connector Block

Description: A shielded I/O connector block for easy connection of I/O signals to 100-pin digital I/O devices. Screw terminals are housed in a metal enclosure for noise protection. Combined with shielded cables, it provides rugged, low-noise signal termination. Includes three general breadboard areas. Dimensions: 19.5 by 15.2 by 4.5 cm (7.7 by 6.0 by 1.8 inches). Part Number: 776990-01.

CB-50 I/O Connector Block with DIN-Rail Mounting

Description: A termination accessory with 50 screw terminals for connecting field I/O signals to NI 650x and NI 6527 devices. Includes a 50-pin header for direct connection to 50-pin cables. Features a protective plastic base and mounting hardware for standard DIN rail or flush wall/panel mounting. Dimensions: 13.5 by 7.3 cm (5.3 by 2.9 inches). Part Number: 776164-90.

CB-50LP I/O Connector Block

Description: A termination board with 50 screw terminals for connecting field I/O signals to NI 650x and NI 6527 devices. Includes a 50-pin header for direct connection to 50-pin cables. Features metal standoffs for desktop or custom panel mounting. Dimensions: 13.26 by 7.19 cm (5.22 by 2.83 inches). Part Number: 777101-01.

CB-100 I/O Connector Kit

Description: The CB-100 kit includes two CB-50 I/O connector blocks and an R1005050 ribbon cable for connecting to PCI-6527, PXI-6527, PCI-DIO-96, PXI-6508 devices. An alternative kit includes two CB-50 blocks and an NB5 ribbon cable for PC-DIO-96 devices. Each CB-50 block includes mounting hardware for DIN-rail or panel mounting.

CB-100 with 1 m R1005050 cable. Part Number: 777812-01
CB-100 with 1 m NB5 cable. Part Number: 776455-02

RTSI Bus Cables

Description: RTSI bus cables connect timing and synchronization signals among measurement, vision, motion, and CAN boards for PCI and ISA. An extended RTSI cable is available for systems using both long and short boards.

2 boards. Part Number: 776249-02
3 boards. Part Number: 776249-03
4 boards. Part Number: 776249-04
5 boards. Part Number: 776249-05
Extended, 5 boards. Part Number: 777562-05

SH50-50 Shielded Cable

Description: Shielded 50-conductor cable connecting to PCI-6503 or PC-DIO-24 devices, terminating with a 50-pin connector. Includes the shielded cable and a 3-inch ribbon cable for flexibility.

1 m. Part Number: 777720-01
2 m. Part Number: 777720-02

SH100-100-F Shielded Cable

Description: Shielded 100-conductor cable connecting to PCI-6527, PXI-6527, PCI-DIO-96, PXI-6508, or DAQPad-6508 devices. Terminates with a 100-pin 0.050 series D-type connector for direct attachment to 100-pin accessories. 2 m. Part Number: 185095-02.

PSH27-50F-D1 for DAQCard-DIO-24

Description: Shielded cable connecting to the DAQCard-DIO-24, terminated with a 50-pin female connector for direct attachment to 50-pin accessories.

0.5 m. Part Number: 776989-0R5
1 m. Part Number: 776989-01

Ribbon Cables

R1005050 Ribbon Cable

Description: Ribbon cable connecting to PCI-6527, PXI-6527, PCI-DIO-96, PXI-6508 devices, terminated with two 50-pin IDC connectors.

1 m. Part Number: 182762-01
2 m. Part Number: 182762-02

NB1 Cable

Description: 50-conductor ribbon cable connecting any device with a 50-pin connector to 50-pin connector accessories.

1 m. Part Number: 180524-10
2 m. Part Number: 180524-20

NB5 Cable

Description: 100-conductor ribbon cable connecting to a PC-DIO-96 device (100-pin connector), terminated with two 50-pin connectors.

1 m. Part Number: 181304-10
2 m. Part Number: 181304-20

PCB Mounting Connectors for Custom Accessories

Description: PCB connectors for building custom accessories that connect to 100-conductor shielded and ribbon cables. Available in right-angle and vertical mounting types.

100-pin, female, right-angle mounting. Part Number: 777778-01
100-pin, female, vertical mounting. Part Number: 777779-01

PCMCIA Strain-Relief Accessory

Description: Accessory that attaches to the bottom of a notebook computer, providing adjustable strain relief for one or two PCMCIA cables connected to the installed PCMCIA card(s). Part Number: 777550-01.

Visual Descriptions

The document includes visual representations of the products discussed:

Figure 1: Image of SCXI High-Performance Signal Conditioning system.
Figure 2: Image of Digital Signal Conditioning Accessories.
Figure 3: Image of CA-1000 Configurable Signal Connectivity Solution.
Figure 4: Image of SCB-100 Shielded Connector Blocks.
Figure 5: Image of CB-50 I/O Connector Block with DIN-Rail Mounting.
Figure 6: Image of CB-50LP I/O Connector Block.
Figure 7: Image of CB-100 I/O Connector Kit.
Figure 8: Image of SH50-50 Shielded Cable.
Figure 9: Image of SH100-100-F Shielded Cable.
Figure 10: Image of R1005050 Ribbon Cable.
Figure 11: Image of NB1 Cable.
Figure 12: Image of NB5 Cable.
Figure 13: Image of PCB Mounting Connectors.
Figure 14: Image of PCMCIA Strain-Relief Accessory.

	NI-DAQ 6.6 for Mac OS Release Notes and Installation Guide Release notes and installation guide for National Instruments NI-DAQ 6.6 driver software for Mac OS, detailing supported hardware, platforms, installation steps, and configuration utilities.
	NI Serial Hardware Specifications Guide This guide provides comprehensive specifications, safety information, and compliance details for National Instruments' PCI serial hardware, including various models like the PCI-8430 and PCI-8431 series.
	National Instruments M Series User Manual: NI 622x, NI 625x, and NI 628x Multifunction I/O Modules and Devices This user manual provides comprehensive information for National Instruments M Series devices, including the NI 622x, NI 625x, and NI 628x Multifunction I/O Modules and Devices. It covers getting started, system overview, connector and LED information, analog input and output, digital I/O, counters, PFI, digital routing and clock generation, bus interface, and triggering.
	NI 78xxR Pinout Labels for SCB-68A Connector Block This document provides pinout labels for National Instruments 78xxR reconfigurable I/O modules and devices when used with the SCB-68A shielded connector block.
	NI PCIe-7857 R Series Digital I/O Module User Manual User manual for the NI PCIe-7857 R Series Digital I/O Module for PCI Express, detailing its hardware overview, pinout, analog and digital I/O connections, wiring considerations, power source, and support information.
	National Instruments GPIB NI-488.2 for Windows Installation Guide Comprehensive installation guide for National Instruments GPIB NI-488.2 software and hardware for Windows operating systems, detailing setup for internal and external controllers and providing support resources.
	NI-DAQ User Manual for PC Compatibles - National Instruments Comprehensive guide to the NI-DAQ software for PC compatibles, version 6.9. Covers data acquisition, software calibration, event messaging, analog and digital I/O, and counter/timer functions. Includes details on hardware support, application tips, and troubleshooting.
	NI 78xxR Pinout Labels for SCB-68 Connector Block \| National Instruments Provides detailed pinout labels and connector information for National Instruments NI 78xxR Reconfigurable I/O (RIO) devices when used with the SCB-68 Shielded Connector Block. Covers RMIO, RAO, and RDIO connector pin assignments.