Commissioning and Diagnostics
6.3
Diagnostics Using LEDs
Interface module
Figure 6-6
Status and Error Displays Using LEDs on the IM151-1 BASIC/IM151-1
STANDARD/IM151-1 FO STANDARD/IM151-1 HIGH FEATURE
Table 6-6
Status and Error Displays of the IM151-1 BASIC/IM151-1 STANDARD/IM151-1 FO
STANDARD/IM151-1 HIGH FEATURE
SF
SF: red
BF
BF: red
ON
ON: green
LEDs
SF
BF
ON
Off
Off
Off
There is no voltage applied to the inter-
face module, or the interface module
has a hardware defect.
*
*
On
There is voltage applied to the interface
module.
*
Flash-
On
The interface module is not configured
ing
or is configured incorrectly. No data
transfer is taking place between the DP
master and the
interface module.
Causes:
S
S
6-12
ET 200S
LED Display on the Interface Module
Meaning
The PROFIBUS address is
incorrect.
Parameter assignment error
Group error (red)
SF
BF
Bus fault (red)
ON
Supply voltage (green)
What to Do
Switch on the 24 VDC supply voltage at
the interface module.
–
S
Check the interface module.
S
Check the configuration and
parameter assignment.
S
Check the PROFIBUS address.
Distributed I/O System ET 200S
EWA 4NEB 780 6024-02 07