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11
EN
BK3120
BECKHOFF
Troubleshooting
(1)
(2)
(1) Operating status LEDs
(2) Field bus status LEDs
(3) Supply LEDs
-
left-hand LED ... monitors the
field bus coupler power supply
-
rright-hand LED... monitors the
power contact supply
(3)
If an error occurs, the field bus status/
operating status LEDs signal the type of
error and where it occurred.
Flash code
(4) Rapid flashing:
Start of the error code
(5) First slow pulse:
Type of error
(6) Second slow pulse:
Error location
Important!
The number of pulses indica-
tes the location of the last field bus termi-
nal prior to where the error occurred.
Passive field bus terminals (e.g. supply
terminals) are not counted.
The operating status LEDs monitor local communications between the field bus coupler
and field bus terminals. The green LED lights when there are no errors. The red LED
flashes at two different intervals if a terminal bus error occurs.
Important!
In some cases, the field bus coupler does not complete the flashing se-
quence once the error has been rectified. Restart the field bus coupler by switching the
supply voltage off and on again, or by resetting the software.
Flash code
(4)
(5)
(6)
General remarks
Operating status
LEDs
Safety
WARNING!
An electric shock can be fatal. Before starting work on the inter-
face, ensure that all devices and components are:
-
switched off
-
disconnected from the mains
-
prevented from being switched back on again.
Содержание Profibus
Страница 2: ......
Страница 155: ...SCHALTPLAN CIRCUIT DIAGRAM PROFIBUS 1 5 M 4 100 231 PROFI BUS 1 5 MB LWL 4 100 232 PROFIBUS 12 MB 4 100 233...
Страница 156: ...SCHALTPLAN CIRCUIT DIAGRAM PROFIBUS 1 5 M 4 100 231 PROFI BUS 1 5 MB LWL 4 100 232 PROFIBUS 12 MB 4 100 233...
Страница 157: ...KL6021 KL6021 KL9010 BFU1A BFU1A BC3100 SCHALTPLAN CIRCUIT DIAGRAM TWIN PROFIBUS 4 100 403...
Страница 158: ...SCHALTPLAN CIRCUIT DIAGRAM PROFIBUS MULTIBUS 4 100 445 KL1114 KL6021 KL2134 KL9010 BK3120 BFU1A...