User manual

Diagnostics and Troubleshooting PTQ-PDPMV1 ♦ Quantum Platform
User Manual PROFIBUS DP Master Network Interface Module for Quantum
Page 236 of 306 ProSoft Technology, Inc.
August 12, 2014
HSBY State:
0 = Not Connected
1 = Passive
2 = Active
3 = Stand-alone. This is not a HSBY state. Rather, it provides the state of the
Master when HSBY is disabled.
Remote PB Mstr:
Same as offset word 60
Low byte: HSBY remote (passive) Master status
High byte: HSBY passive number of slaves
High Byte
Low Byte
16
8
7
0
COM
--
--
OD
DB
CE
SO
PA
Bit
Explanation
PA
This bit indicates the state of the local Master.
0 - Local (active) Master (Master is controlled by the Primary PLC)
1 - Remote (passive) Master (Master is controlled by the Stand-by PLC)
SO
This bit indicates if the local Master recognizes any of its assigned slaves as offline.
0 - At least one slave is offline
1 - All slaves OK
CE
This bit indicates if the local Master has recognized a critical error.
0 - No critical errors
1 - Critical error active
This bit is set when problems with the ping sequence are encountered.
DB
This bit indicates if the local Master has detected a database mismatch.
0 - Database OK
1 - Database mismatch
OD
This bit indicates when the data in the Output data area of the DPRAM is updated after a
switchover.
0 - Output data is not updated
1 - Output data is updated (Once this bit is set, it remains set for the remaining session until the
Anybus is either reset or HSBY state changes to "Not Connected")
-
Not used; set to zero
-
Not used; set to zero
COM
This bit indicates if the counterpart is present.
0 = Counterpart not present
1 = Counterpart is present