Alarm, error and system messages
9.1 PROFIBUS DP
ET 200pro distributed I/O system
190
Operating Instructions, 03/2013, A5E00335544-08
Status and error displays GE, BF, ON
Table 9- 1
Status and error displays of IM 154-1 DP and IM 154-2 DP High Feature
LEDs
Meaning
Remedy
GE
BF
ON
Off
Off
On
No error in current data exchange between the DP
slave and the DP master. The interface module is
supplied with power (electronic/encoder).
---
Off
Off
Off
Electronic/encoder supply missing or too low at the
interface module.
Switch on the electronic/encoder power
supply for the DP slave.
Defective hardware.
Replace the interface module.
*
On
On
DP slave in startup mode.
---
Connection to DP master failed.
Check the PROFIBUS DP connection.
DP slave cannot detect the baud rate.
Check the DP master.
Bus interruption
Check all cables in your PROFIBUS DP
network.
DP slave is out of service
Check whether the PROFIBUS DP
connectors are firmly plugged in on the
connection module.
On
Off
On
Diagnostic message.
Analyze the diagnostic data.
ET 200pro hardware fault.
Replace the defective module.
On
Flashing On
The configuration data transferred from the DP
master to the DP slave does not match the DP
slave configuration.
Check the DP slave configuration
(I/O, PROFIBUS DP address)
Off
Flashing On
The DP slave has detected the baud rate, but is not
addressed by the DP master.
Check the PROFIBUS DP address of
the DP slave.
The DP slave is not configured.
Check the DP slave configuration
(station type).
The set PROFIBUS DP address is not permissible. Select a valid PROFIBUS DP address.
1
* irrelevant
1
After changing the PROFIBUS DP address, you must switch the electronic/encoder power supply 1L+ off and on. The
new PROFIBUS DP address is applied when you switch on.
Status indicator DC24V
The green LED DC24V is lit when the 2L+ load voltage supply is connected. If the LED is not
lit, check to see if the power supply is switched on and the fuse is functioning.
See also
Evaluating diagnostic messages (Page 192)
Evaluating interrupts (Page 196)
Channel-specific diagnostic data (Page 204)