Rockwell Automation 6008-SV2R VMEbus remote I/O Scanner - Manual (Page 105)

Chapter
Operating in SVĆSuperset Mode
6
6Ć24
The VME master processor writes 21 (hex) to the command byte. There
are no input parameters from the VME master processor. The scanner
writes these parameters to the selected channel’s general data area:
Byte
offset:
Parameter: Description:
021F scan list length
READ ONLY The scan list length indicates the number of entries in the scan
list. The scan list length is an 8Ćbit quantity that the scanner
writes to the length of data byte in the control/status area. You
can enter a scan list length of 0.
0220 I/O adapter status word block
READ ONLY This word block contains four 16Ćbit entries (4 words) for each
adapter - 16 bits for each starting group per adapter (maximum
of 16 groups of entries). See Figure 6.10 and Figure 6.11.
02A0 scan list
READ ONLY This list is a maximum of 64 bytes long (1 byte per adapter)),
but it contains only 32 distinct physical adapter addresses.. The
list contains one byteĆsized entry for each adapter in the scan
list. An adapter can appear in the list multiple times.
See Figure 6.12 on page 6Ć26.
parameters