Rockwell Automation 6008-SV2R VMEbus remote I/O Scanner - Manual (Page 36)

Chapter
Addressing I/O
3
3Ć7
The number of racks in a chassis depends on the chassis size and the
addressing mode.
If using this
chassis size:
2Ćslot
addressing,
rack type is:
1Ćslot
addressing,
rack type is:
1/2Ćslot
addressing,
rack type is:
4Ćslot 1/4 rack 1/2 rack 1 rack
8Ćslot 1/2 rack 1 rack 2 racks
12Ćslot 3/4 rack 1Ć1/2 racks 3 racks
16Ćslot 1 rack 2 racks 4 racks
One I/O rack number is eight I/O groups, regardless of the addressing
mode that you select.
When assigning remote I/O rack numbers, use the following guidelines:
Each scanner channel supports as many as 16 physical I/O adapters.
The number of racks the scanner supports depends on the VME
operating mode.
This operating mode: supports as many as: with a total maximum
number of adapters:
SVĆcompatible 8 full racks 16
SVĆsuperset 16 full racks 32
SVĆadapter 1 rack 0
For example, you can configure 8 racks as:
8 full racks of 128 I/0 each (8 adapters)
or
16 half racks of 64 I/O each (16 adapters)
or
6 full racks of 128 I/O each and 8 quarter racks of 32 I/O each (14 adapters)
Assigning Racks
Design Tip