Siemens SIMATIC ET 200SP System Manual page 221

Procedure
To reset an interface module to factory settings using the RESET button, follow these steps:
1. Remove the interface module from the mounting rail (see Mounting the CPU/interface
module (Page 42)) and swivel it downwards.
2. The RESET button is located on the rear of the interface module behind a small opening:
Press a screwdriver into the small opening for at least 3 seconds to activate the RESET
button.
3. Install the interface module back on the mounting rail (see Mounting the CPU/interface
module (Page 42)).
4. Check the LED display of the interface module to see whether the reset was successful:
RUN LED flashes for 3 seconds, ERROR and MAINT LED are off.
5. Assign parameters to the interface module again.
①
②
Figure 12-6
Distributed I/O system
System Manual, 12/2015, A5E03576849-AF
12.6 Resetting CPU/interface module (PROFINET) to factory settings
Rear of the interface module
RESET button
RESET button
Maintenance
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