Hitachi S10VE, User Manual

Page: 439 / 506

13. Troubleshooting
13-94
System register details
Table 13-41 shows the details for the values of the registered station and timeout station.
Table 13-41 System register details
No.
System register values
Status Status description
Registered
station
Timeout
station
1 1 0 Normal communication in
progress Remote I/O communication is being performed
normally between the RI/O-IF module and the
station module.
2 0 0 Timeout
(no station registration) Remote I/O communication was not performed
normally even once between the RI/O-IF module
and the station module.
Even when the station module is connected,
normal communication might not be possible for
reasons such as incorrect settings or cabling errors.
3 1 1 Timeout
(station registration) Remote I/O communication was performed
normally once between the RI/O-IF module and
the station module, but currently a timeout has
occurred.
Normal communication might not be possible for
reasons such as an incorrect termination resistor
value or loose cables.