Rockwell Automation 8520 9/Series CNC Integration Maintenance Manual Documentation Set User Manual
Page 742

Section 15A
Troubleshooting The Control
15A-32
If block transfers are enabled (in AMP or using softkey) the first address
in the rack (word 0 on above screen) will not be shown and the two RIO
BT diagnostic softkeys appear. This first word is reserved for block
transfer status information and can not be accessed by PAL. Pressing
either the {RIO BT READ} or {RIO BT WRITE} softkeys displays the
following screens:
Figure 15A.14
Remote I/O Block Transfer Read Diagnostics Screen
REMOTE I/O - BLOCK TRANSFER READ
ON =
HEX VALUE
00
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
1F93
01
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
1FF7
02
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
205B
03
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
0000
04
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
0000
05
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
0000
06
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
0000
07
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
0000
08
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
0000
09
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
0000
10
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
0000
11
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
0000
12
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
0000
13
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
0000
14
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
0000
15
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
0000
NEXT
PAGE
The block transfer write screen is similar to the above read screen. In
addition to displaying the set bits of each word in reverse video, the right
column of these screens display the hex equivalent value of the word.
These screens display 16 words at a time of the total 64 block transfer
words. Pressing the {NEXT PAGE} softkey displays the next 16 words.
There are 32 block transfer read words and 32 block transfer write words.