Rockwell Automation 1785-Vx0B, D17856.5.9 PLC-5 VME VMEbus Programmable Controllers User Manual - Manual (Page 55)

Chapter 4
Ladder-Program Interfaces
4-8
The following is the physical structure of the VME status file:
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Word
ULA
SLE
0
1
2
3
4
15
RELM
SLADDRESS
FADDRESS
FLENGTH
FFILE
FELEMENT
FINT
FSTATUSID
5
6
7
8
9
10
11
12
13
14
16
17
18
19
20
21
22
23
24
25
26
27
28
29
31
VSYSF PSYSF
SC
SLADDRESS (HI BYTE)
FDS FERROR FEN FAM
FADDRESS (HI BYTE)
TDS TERROR TEN TAM
TADDRESS (HI BYTE)
TADDRESS
TLENGTH
TFILE
TELEMENT
TINT
TSTATUSID
IRQ7E IRQ6E IRQ5E IRQ4E IRQ3E IRQ2E IRQ1E IRQ7R IRQ6R IRQ5R IRQ4R IRQ3R IRQ2R IRQ1R
IRQ2SID
IRQ4SID
IRQ6SID
UPDATED
IRQ1SID
IRQ3SID
IRQ5SID
IRQ7SID
Reserved
Reserved
Reserved
Reserved
The fields are explained in Table 4.B. The fields marked in white are
read-only; they are for monitoring only and should not be overwritten.