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model 3000 PROFIBUS Module User’s Manual
Chapter 9 Appendix
9
(2) PF312 LED status
The station mode is indicated as follows with the ONL, OFL, DIAG, and ACC LEDs on
the front of the module.
(3) Configurator diagnostic information
The following diagnostic information can be checked using HMS SYCON.
Refer to the configurator manual for more details.
Figure 9-1 Configurator diagnostic information
Table 9-2 PF312 LED status
LED Status and Cause
ONL
(green)
ON Transmission module communicating normally
OFF Transmission module not communicating
OFL
(red)
ON Transmission module not communicating
OFF Transmission module other than not communicating
Acyclic flash Configuration error or fatal error
DIAG
(red)
Slow flash (1 Hz) Setup (configuration information) error
Slow flash (2 Hz) Setup (user parameter) error
Fast flash (4 Hz) Profibus ASIC initialization error
OFF No diagnostic information
ACC
(green)
ON Controller accessing
OFF Controller not accessing
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