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National Instruments NI SCB-68 HSDIO, Connection Manual

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NI SCB-68 HSDIO Connection Guide & Specifications

Caution

To ensure the specified EMC performance, operate this product only with 

shielded cables and accessories.

Figure 1 shows the parts of the NI SCB-68 HSDIO.

Figure 1.  

NI SCB-68 HSDIO Parts Locator Diagram

1

Top cover (required)

2

Quick reference label

3

Enclosure base

4

Strain-relief screws

5

Strain-relief bar

6

NI SCB-68 HSDIO board assembly

1

2

3

4

5

4

6

 NA

TIONAL 

INSTRUMENTS

Summary of Contents for NI SCB-68 HSDIO

Page 1: ...ot connect hazardous voltages 30 Vrms 42 Vpk 60 VDC Refer to your device documentation for information about the electrical limits of your device Install the cover before use To avoid electrical shock do not remove NI SCB 68 HSDIO covers unless you are qualified to do so Before removing the cover disconnect any live circuit from the connector block Replace the cover for use The chassis ground lug ...

Page 2: ... product only with shielded cables and accessories Figure 1 shows the parts of the NI SCB 68 HSDIO Figure 1 NI SCB 68 HSDIO Parts Locator Diagram 1 Top cover required 2 Quick reference label 3 Enclosure base 4 Strain relief screws 5 Strain relief bar 6 NI SCB 68 HSDIO board assembly 1 2 3 4 5 4 6 NATIONAL INSTRUMENTS ...

Page 3: ...0 PFI0 PFI1 PFI3 DIO20 DIO21 DIO13 DIO22 STROBE DIO24 DIO25 DIO26 DIO27 DIO28 DIO30 DIO29 DIO31 DIO23 DIO15 DIO14 DIO12 DIO19 DIO11 DIO10 DIO18 DIO17 DIO9 DIO8 DIO16 CLK OUT DIO0 DIO1 DIO2 DIO3 DIO4 DIO5 DIO6 DIO7 STROBE GND DIO24 GND DIO25 GND DIO26 GND DIO27 GND DIO28 GND DIO29 GND DIO30 GND DIO31 GND DIO16 GND DIO17 GND DIO18 GND DIO19 GND GND DIO23 GND DIO22 GND DIO21 GND DIO20 DIO8 GND DIO9 G...

Page 4: ...removed and tighten the strain relief screws If the shielded cable is too large to route through the strain relief hardware either use multiple smaller diameter cables or remove the top strain relief bar and add insulation or padding if necessary to constrain the cable 8 Replace the cover Caution You must install the cover before use 9 Connect the NI SCB 68 HSDIO to the RIO device using the approp...

Page 5: ...t to permanently secure the cover to the NI SCB 68 HSDIO base 1 Using a 3 5 mm 9 64 in diameter drill bit drill two holes through the silkscreened crosshairs on the label side of the cover When drilling place the cover on a flat surface such as a drill press and drill slowly to minimize burrs 2 Replace the cover on the base lining up the drill holes with the holes in the enclosure 3 Screw in two M...

Page 6: ... may be affected by signal reflections You can limit the amplitude of signal reflections by terminating output lines with Schottky diodes as shown in Figure 5 Figure 5 terminating Output Lines with Schottky Diodes One suitable Schottky diode is the 1N5711 available from several manufacturers Note Refer to the help file for your RIO device for information about the number and functions of available...

Page 7: ...sions including feet 14 7 14 7 3 0 cm 5 8 5 8 1 2 in Weight 650 g 1 lb 7 oz I O connector One 68 pin male VHDCI connector Screw terminals 72 all I O signals are available at screw terminals Wire gauge 14 30 AWG Torque 0 5 0 6 N m 4 4 5 3 in lb SMB pads 38 unpopulated Through hole pads 0 8 to 0 9 mm in diameter Safety Voltages Connect only voltages that are no greater than 30 Vrms 42 Vpk 60 VDC Env...

Page 8: ...cial light industrial and heavy industrial locations In Europe Canada Australia and New Zealand per CISPR 11 Class A equipment is intended for use only in heavy industrial locations Note Group 1 equipment per CISPR 11 is any industrial scientific or medical equipment that does not intentionally generate radio frequency energy for the treatment of material or inspection analysis purposes Note For E...

Page 9: ...s well as other environmental information not included in this document Waste Electrical and Electronic Equipment WEEE EU Customers At the end of the product life cycle all products must be sent to a WEEE recycling center For more information about WEEE recycling centers National Instruments WEEE initiatives and compliance with WEEE Directive 2002 96 EC on Waste and Electronic Equipment visit ni c...

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