Siemens SIMATIC ET 200S Manual page 223

Table 6-28 Status and error displays of the IM151-3 PN
SF:
SF
BF:
BF
ON:
ON
LINK: green
LINK
RX/TX
RX/TX: yellow
LEDs
SF BF ON
on on Off
Off flashing Off
0.5 Hz
on flashing Off
0.5 Hz
on flashing Off
2 Hz
LINK RX/TX
Off Off
on *
on on
* Not relevant
Power modules
Electronic modules
Process-related modules
See Section 6.1.3
ET 200S Distributed I/O System
EWA-4NEB 780602402-12
red
red
green
Meaning Meaning
FW update running
FW update successfully completed
External error during FW update
(incorrect FW, for example)
Internal error during FW update
(read/write error, for example)
There is no connection to the
switch/I/O controller (no
I/O controller is available on the
network)
Autonegotiation completed and
PROFINET transmission rate
accepted
Transmission/reception is in progress
Commissioning and Diagnostics
Remedy Remedy
Use correct FW for update
Repeat FW update
•
No unified transmission rate
•
Autonegotiation not successful
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