Rockwell Automation 1785-CHBM ControlNet PLC-5 Hot Backup System User Manual User Manual
Page 73
Publication 1785-UM024B-EN-P - January 2003
Monitoring and Troubleshooting Your ControlNet PLC-5 Hot Backup System 5-9
3
Backup state of the processor. Valid values include:
0 - Invalid
1 - No Control
2 - Primary
4 - Secondary
4
Qualification state of the system. Valid values include:
0 - No qualified secondary present
1 - Qualified secondary present
5
Reason code indicating why the processor is in the Invalid backup state.
This word is constantly updated until the processor is no longer in this
state. Valid values include:
0 - In valid state
1 - Receive handshake connection not found in I/O map table
2 - Send handshake connection not found in I/O map table
3 - Receive handshake connection wrong size
4 - Send handshake connection wrong size
5 - node address number wrong
6 - Operation mode word invalid
7 - Equivalence mode word invalid
8 - Designated Primary word invalid
9 - Max Program Scan Time word invalid
11 - Handshake is not 1 NUT
12 - Crossload parameters invalid
13 - NUT not established
14 - Invalid crossload channel configuration
15 - Keeper not configured
16 - Signature mismatch
17 - Handshake connections not scheduled
18 - Invalid configuration parameter
6
This is a checksum of the first 3 words of this file. If the checksum is not
valid, the firmware will continuously write default values for the
configuration parameters in this file.
7
Partner present. This word is constantly updated by the PLC-5 processor,
indicating whether a partner processor is handshaking with the current
processor. This word is updated only when the processor is in a valid
backup state (i.e., No Control, Secondary, or Primary). Valid values
include:
0 - No partner found
1 - Partner PLC-5 handshaking with this PLC-5
8
Output Ownership Invalid Count word. This word indicates how many
connections are not owned by this processor (Primary backup state only).
This value is -1 when the processor is in the Secondary backup state.
9
Lonely Primary Backup State Counter. This counter is incremented every
time this processor goes into the Lonely Primary backup state.
10
Operational mode of the system. Valid values include:
0 - Asynchronous (default)
1 - Synchronous
Word
Definition