Toshiba nv Series - Page 25

Unified Controller nv Series type1 light PROFIBUS-DP module PF611A / PF612A User’s Guide
9
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Status LED
Table 2-2 Status LED
LED name
Display
Description
DBS
(Green)/(Red)
Green On
Database ready
Green Flash
Database downloading
Red ON
Database unavailable
Off
No database
COM
(Green)/(Red)
Green On
Data communication available with all slaves
Green Flash
Data communication available with one or more slaves
Red On
Bus control error (Bus short circuit or setting error)
Off
No communication available slave
MS
(Green)/(Red)
Green On
Data transmission available
Green Flash
Slave input available, output stop
Red On
Transmission stop
Red Flash
Running as passive master (duplexing)
Off
Offline
TOKEN
(Green)
Green On
Token retained
Off
No token
4 above
Red On
Fatal error
ACC
(Green)
Green On
Controller accessing
Off
Controller not accessing
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Configurator port (CONFIG)
PC (PROFIBUS-DP configurator) connector.
•
Transmission cable connector (PROFIBUS-DP)
PROFIBUS-DP transmission cable connector
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Reset switch (RESET)
Press when the PF611A is abnormal or when initializing the PF611A independent of the
controller.