CI 773F PROFIBUS-DP Master Interface Section 3 Modules
38 M&I – AC 900F Controller
LED status displays
After having been switched on, the CI 773 PROFIBUS module performs a self-test
during power-up. During initialization, with newly configured modules or after a
change of the operating mode, all LEDs may light up briefly before reaching the
defined status.
Number of slaves 125
Controller redundancy support Yes
Hot plug Yes
HCIR Yes
LED Color Status Meaning
PWR Green ON Module in operation and must not be removed
OFF Module not in operation and may be removed, if re-
quired
STA Green ON Active module operating properly
OFF Module start-up
Orange ON Module identified by the CPU module, but not active
Red ON Module error
RUN Green ON Module has taken over the PROFIBUS master func-
tion
OFF Module inactive relative to the PROFIBUS
Green 200 ms
pulse
Module ready to take over the master function
LED L Green ON Bus traffic
OFF No bus traffic
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