Micrologix 1400 serial port enable

omar zedan
Posts: 262
Joined: Sat Oct 22, 2011 7:12 am

Micrologix 1400 serial port enable

Post by omar zedan »

Dear all
I have micrologix 1400 protected by password and it serial port disabled by programmer,
How can I enable its serial port without being online?
Thanks
Davizim
Posts: 2
Joined: Mon Apr 08, 2013 12:03 am

Re: Micrologix 1400 serial port enable

Post by Davizim »

If you can send backup project we can try to discover.
omar zedan
Posts: 262
Joined: Sat Oct 22, 2011 7:12 am

Re: Micrologix 1400 serial port enable

Post by omar zedan »

Dear Friend
I can not connect to the plc via rs232 cause it is disabled and when I connect to ethernet it ask about password.
If there is a way to enabling rs232 port from keypad of the PLC then I can connect and crack the password using serial port monitoring tool.
Can you solve this issue?
bjyou9999
Posts: 20
Joined: Sun Aug 25, 2024 9:18 pm

Re: Micrologix 1400 serial port enable

Post by bjyou9999 »

It is possible.
Look at the PM.