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Programming Considerations Chapter 5
VXI-MXI User Manual 5-12 © National Instruments Corporation
MXIbus Link:
MXIbus #2
Device: VXIbus Mainframe #6
Number of logical addresses required by device: 7 Range = 10 – 17
Round total number up to the next power of two: 8 (2
3
) Size = 8-3 = 5
List other MXIbus links to this mainframe:
Number of logical addresses required by additional MXIbus links: + 0
Total number of logical addresses required by this device: = 7 Range = 10 – 17
Round total number up to the next power of two: * 8 (2
3
) Size = 8-3 = 5
Device:
Number of logical addresses required by device: Range =
Round total number up to the next power of two: Size =
List other MXIbus links to this mainframe:
Number of logical addresses required by additional MXIbus links: +
Total number of logical addresses required by this device: = Range =
Round total number up to the next power of two: * Size =
Total Number of Logical Addresses Required: 8
(Add numbers after the "*") Range = 10 – 17
Round total number up to next power of two: 8 (2
3
) Size = 8-3 = 5
Figure 5-9. Worksheet 3 for Example VXIbus/MXIbus System
MXIbus Link:
MXIbus #3
Device: VXIbus Mainframe #4
Number of logical addresses required by device: 13 Range = A0 – AF
Round total number up to the next power of two: 16 (2
4
) Size = 8-4 = 4
List other MXIbus links to this mainframe:
Number of logical addresses required by additional MXIbus links: + 0
Total number of logical addresses required by this device: = 13 Range = A0 – AF
Round total number up to the next power of two: * 16 (2
4
) Size = 8-4 = 4
Device: VXIbus Mainframe #5
Number of logical addresses required by device: 9 Range = B0 – BF
Round total number up to the next power of two: 16 (2
4
) Size = 8-4 = 4
List other MXIbus links to this mainframe:
Number of logical addresses required by additional MXIbus links: + 0
Total number of logical addresses required by this device: = 9 Range = B0 – BF
Round total number up to the next power of two: * 16 (2
4
) Size = 8-4 = 4
Total Number of Logical Addresses Required: 32
(Add numbers after the "*") Range = A0 – BF
Round total number up to next power of two: 32 (2
5
) Size = 8-5 = 3
Figure 5-10. Worksheet 4 for Example VXIbus/MXIbus System