Ethernet Communication Module IFD9506 For how to set, see 8.6. 9.5 Security Settings To prevent the set values in IFD9506 from being improperly modified in a well designed network environment, you can set up passwords to lock the settings in IFD9506. „ How to set up passwords 1. Setting up password: You can enter maximum 4 characters in the password column to set up the password. Leave the column blank to unlock the password protection. 2. Confirming password: Enter the new password again. Note: Once IFD9506 is locked by the password, all the pages can only be set up after the password is unlocked.
However, if IFD9506 is set up through RS-232 COM port, you can return all settings to default settings no matter IFD9506 is locked by the password or not. For example, supposed your IFD9506 is locked but you forget the password, you can return all the settings to default settings through RS-232 COM port. DVP-PLC Application Manual 33