I/o mapćentry status words – Rockwell Automation 1785-L20C_L40C, D17856.5.14 ControlNet PLC-5 Programmable Controllers User Manual User Manual
Page 91
Appendix
D
D-1
ControlNet I/O MapĆEntry Status Words
and Error Messages
The ControlNet status file is an integer data-table file that you specify and
configure with the I/O map for scheduled-I/O usage. It containing status
information about all of the ControlNet network’s scheduled I/O
connections. Each I/O map-table entry has a status-file offset field
pointing to three status words associated with the connection.
0
00
01
02
0
03
04
05
0
06
07
08
0
09
10
11
12
0
13
14
15
Reset
Inhibit
Data Invalid
Connection Error
Reserved
Reserved
First Word
Second and Third Words
Error Messages
0
00
01
02
0
03
04
05
0
06
07
08
0
09
10
11
12
0
13
14
15
0
00
01
02
0
03
04
05
0
06
07
08
0
09
10
11
12
0
13
14
15
If these status words are for a 1794 Flex I/O
module and there is no connection error,
any 1's set in bits 00 through 07 of the third
word indicate errors in the corresponding
slots (numbered 0 through 7)
If these status words are for a Peer In
or a Peer Out and there is no connection
error, a 1 set in bit 00 of the third word
indicates that the other (peer) processor
is in Run mode
I/O MapĆEntry Status Words