background image

©

 National Instruments Corporation

5

8-Slot PXI Backplane Installation Guide

Figure 4.  

Backplane Power and CLK10 Connectors

Power

Please refer to the 

PXI Hardware Specification

 for power requirements and 

to the specifications of the chosen power supply to determine the minimum 
load required.

Connector J20

Connector J20 is the power supply connector for the 8-slot backplane. The 
location of the J20 connector is shown in Figure 4. Refer to Table 1 for the 
pin descriptions. The mating connector for J20 is manufactured by Tyco 
Electronics, and can be ordered with the part number 1648115-1.

Note

The system slot (slot 1) re12 V power from pin 17 of J20. If this pin is not 

connected to +12 V the system controller will not function properly.

1

Plated Mounting Holes (2x)

2

J1 (CLK10 Connector)

3

J20 (Power Connector)

4

J21 Connector

2

3

1

4

Содержание PXIe-1082DC

Страница 1: ...PXIe 1082DC...

Страница 2: ...INSTALLATION GUIDE 8 Slot PXI Backplane This guide describes installation requirements for the 8 slot PXI backplane shown in Figure 1 Figure 1 8 Slot PXI Backplane...

Страница 3: ...ground to the chassis in which the backplane is mounted If you do not desire to connect backplane ground to the chassis use insulated washers at these mounting holes Refer to Figure 4 for the position...

Страница 4: ...atic built up on your body by touching a grounded metal object before handling the PXI equipment Then touch the antistatic plastic package containing the backplane to a metal part of your PXI chassis...

Страница 5: ...he backplane and a skew of less than 250 ps between slots drives the clock signal to each peripheral slot You can use this common reference clock signal to synchronize multiple modules in a measuremen...

Страница 6: ...0 is the power supply connector for the 8 slot backplane The location of the J20 connector is shown in Figure 4 Refer to Table 1 for the pin descriptions The mating connector for J20 is manufactured b...

Страница 7: ...to pin 7 of J21 No 6 LED1 Connects to pin 5 of J21 No 7 SMB_SDA Connects to pin C19 on J2 slot 1 No 8 SMB_ALERT Connects to pin E19 on J2 slot 1 No 9 SMB_SCL Connects to pin D19 on J2 slot 1 No 10 THE...

Страница 8: ...escriptions The mating connector for pins 1 6 of J21 is manufactured by Molex and can be ordered with the part number 22 01 2067 Table 2 Connector J21 Pin Descriptions Connector Pin Signal Description...

Страница 9: ...S 8 slot PXI backplane is RoHS compliant 10 MHz System Reference Clock PXI_CLK10 Maximum clock skew between slots 250 ps Built in 10 MHz clock Accuracy 25 ppm guaranteed over the operating temperature...

Страница 10: ...poration 9 8 Slot PXI Backplane Installation Guide External clock output Connector Connector J1 on rear of backplane ground referenced Output amplitude 1 Vpp 20 squarewave into 50 2 Vpp into open circ...

Страница 11: ...nal Instruments trademarks Other product and company names mentioned herein are trademarks or trade names of their respective companies For patents covering National Instruments products refer to the...

Отзывы: