Siemens SIMATIC ET 200S - Status and Error Displays Using Leds on the IM151-1 BASIC; IM151-1

Commissioning and Diagnostics
6-12
ET 200S Distributed I/O System
EWA-4NEB 780602402-12
6.1.3 Diagnosis using the LEDs
Interface module
SF
BF
ON
Group error (red)
Bus error (red)
Power supply (green)
ET 200S
Figure 6-6 LED display on the IM151-1 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 using LEDs on 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 Remedy
SF BF ON
Off Off Off There is no voltage applied to the
interface 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.
--
* flashes 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.
• Configuration error
• Parameter assignment error
• Check the interface module.
• Check the configuration data and
parameters.
• Check the PROFIBUS address.