Chapter 5
System Configuration
VME-MXI-2 User Manual
5-14
© National Instruments Corporation
MXIbus Link:
MXIbus #1
Device:
MXIbus Device A
Number of logical addresses required by device:
3
Range =
64
–
67
Round total number up to the next power of two:
4 (2
2
)
Size =
8-2 = 6
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:
=
3
Range =
64
–
67
Round total number up to the next power of two:
*
4
(2
2
)
Size =
8-2 = 6
Device:
MXIbus Device B
Number of logical addresses required by device:
1
Range =
68
Round total number up to the next power of two:
1 (2
0
)
Size =
8-0 = 8
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:
=
1
Range =
68
Round total number up to the next power of two:
*
1 (2
0
)
Size =
8-0 = 8
Device:
VXIbus Mainframe #2
Number of logical addresses required by device:
23
Range =
40
–
5F
Round total number up to the next power of two:
32 (2
5
)
Size =
8-5 = 3
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:
=
23
Range =
40
–
5F
Round total number up to the next power of two:
*
32 (2
5
)
Size =
8-5 = 3
Device:
VMEbus Mainf rame #3
Number of logical addresses required by device:
2
Range =
60
–
61
Round total number up to the next power of two:
2 (2
1
)
Size =
8-1 = 7
List other MXIbus links to this mainframe:
MXIbus #3
Number of logical addresses required by
additional MXIbus links:
+
2
Total number of logical addresses required by this device:
=
4
Range =
60
–
63
Round total number up to the next power of two:
*
4 (2
2
)
Size =
8-2 = 6
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:
41
(Add numbers after the “
*
”)
Range =
40
–
7F
Round Total Number up to Next Power of Two:
64 (2
6
)
Size =
8-6 = 2
Figure 5-8. Worksheet 2 for MXIbus #1 of Example VMEbus/MXIbus System
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