Siemens ET 200S - LED Display on the Interface Module; Status and Error Displays of the IM151-1 BASIC;IM151-1 STANDARD;IM151-1 FO STANDARD;IM151-1 HIGH FEATURE

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