Service and maintenance
12.4 Factory defaults
SIMATIC RF185C, RF186C, RF188C, RF186CI, RF188CI
Operating Instructions, 04/2020, C79000-G8976-C512-03
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12.4.3
Restoring the factory settings manually
Requirement
The communication module has been disconnected from the power supply.
Procedure
Proceed as follows to restore all settings to factory defaults using the reader interface:
1.
Create a wire jumper (wire diameter
≤
0.8 mm).
2.
Use the jumper to connect pins 4 (RxD) and 7 (TxD) of the reader X21 interface with one
another.
Figure 12-5 Pins of the X21 reader interface to be connected
3.
Connect the communication module to the power supply.
4.
Wait until all LEDs flash for a few seconds, briefly light up continuously, and then flash
again.
5.
Remove the jumpers.
6.
Wait until the "RUN" LED is continuously lit in green.
Result: The communication module is reset to its original factory settings.
Note that restoring to factory settings assigns the factory-set IP address to the
communication module. Because the IP address is discarded, it is possible that the
connection between the WBM and browser is lost.
After restarting the communication module, you may have to assign a new IP address or a
new device name to the communication module.