Siemens ET 200S - Page 137

Commissioning and Diagnostics
6-13
Distributed I/O System ET 200S
EWA 4NEB 780 6024-02 07
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
* On On Transmission rate detection, illegal
PROFIBUS address, or lowermost DIP
switch (PROFIBUS address) not in the
OFF position.
Causes:
 The response monitoring time has
elapsed.
 Bus communication to the interface
module via PROFIBUS-DP has
been interrupted.
Set a valid PROFIBUS address (1 to
125) at the interface module, or check
the bus configuration.
 Check that the bus connector is
correctly inserted.
 Check if the interconnecting cable
to the DP master has been
interrupted.
 Switch the 24 VDC supply voltage
on and off again at the interface
module.
On * On The configured setup of the ET 200S
does not match the actual setup of the
ET 200S.
Check the setup of the ET 200S,
whether a module is missing or defec-
tive, or whether an unconfigured mod-
ule is inserted.
Check the configuration (using
COM PROFIBUS or STEP 7, for exam-
ple), and correct the parameter assign-
ment error.
There is an error in an I/O module, or
the interface module is defective.
Replace the interface module, or get in
touch with your Siemens contact per-
son.
Off Off On Data transfer is taking place between
the DP master and the ET 200S.
The target configuration and actual
configuration of the ET 200S match.
–
* Not applicable