Status Indicator
PROFI-8455 provide three types of status indicators, they are PWR LED
(yellow), ERR LED (red) and RUN LED (green).
Status Indicator
Meaning
Recommend solution
ERR ON &
RUN OFF
PROFI-8455 is offline
with no valid baud rate
(offline mode*)
Check the address setting of
PROFI-8455 and DP-master.
ERR Flash
(0.1 Sec)
PROFI-8455 detects
baud rate, but is still
offline.(stop mode*)
Check the DP-Master is
ready to communicate with
PROFI-8455.
ERR Flash
(0.5Sec)
PROFI-8455 Prm is
Fault.(Note 1)
Check the setting of
PROFI-8455 in the master
interface and make sure of
the consistency.
ERR Flash
(1 Sec)
PROFI-8455’s Cfg is
fault(Note 2)
Same as above
ERR ON & RUN
ON
PROFI-8455 is in clear
mode*.
Sets the DP-Master from
clear mode to operation
mode
ERR OFF & RUN
ON
PROFI-8455 is in
operation mode*.
PWR Flash
(1 Sec)
PROFI-8455 detect
module(s) offline
Find the reason of the fault of
corresponding module.
