Siemens SIMATIC ET 200S - Page 222

Commissioning and Diagnostics
6-62
ET 200S Distributed I/O System
EWA-4NEB 780602402-12
Table 6-28 Status and error displays of the IM151-3 PN
SF: red
BF: red
ON: green
LINK: green
RX/TX: yellow
SF
BF
ON
LINK
RX/TX
LEDs RemedyMeaning
SF
RemedyMeaning
ONBF
* flashes on Incorrect or no connect telegram and
startup data sets transferred to
interface module -- there is no data
exchange between the I/O controller
and the interface module (I/O device).
Causes:
• Device name is incorrect
• Configuration error
• Parameter assignment error
• Check the interface module.
• Check the configuration data and
parameters.
• Check the device name.
* on on No I/O controller on bus
Causes:
• No bus communication
• Establish a connection to the
I/O controller (via a switch).
• Assign a valid device name to the
interface module.
• Check the bus configuration.
• Check that the bus connector is
correctly inserted.
• Check if the interconnecting cable
to the I/O controller has been
interrupted.
on * on The c onfigured 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
defective, or whether an unconfigured
module is inserted.
Check the configuration (using
STEP 7, for example), and correct the
parameter assignment 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 person.
Incoming diagnosis
on Off on • An MMC is not inserted.
• The inserted MMC is full or does
not have enough memory for the
device names.
• No suitable MMC is inserted (i.e.
no MMC from Siemens).
Before power on insert an empty MMC
into the IM151-3 PN.
Off Off on Data transfer is taking place between
the I/O controller and the ET 200S.
The target configuration and actual
configuration of the ET 200S match.
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