27: TROUBLESHOOTING
27-24 OPENNET CONTROLLER USER’S MANUAL
Troubleshooting Diagram 17
Monitor special data register D8183
(INTERBUS master error location) using
WindLDR to locate the remote I/O node
number (hexadecimal) where an error
occurred.
Remove the cause of the error referring to
the manual for the node.
The PF (peripheral fault) LED on the
remote I/O master module is on.
A module error occurred at a remote I/O slave station.
When this error occurs, the remote I/O network contin-
ues to work.
Special internal relay M8037 (INTERBUS master periph-
eral fault) is also turned on.
Special data register D8182 (INTERBUS master error
code) stores user error code 0BB1h (peripheral fault).
See page 24-16.
END
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