Functions
5.1 Basic functions
3KC ATC6500 transfer control device
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Manual, 05/2019, L1V30538268002A-01
5.1.2
Password protection
Access to the ATC6500 can be denied by means of a password. Both the physical access to
the device and the access via MODBUS can be protected with a password.
Note
Default setting
On new devices the factory setting is as follows: one password is activated for the user level,
one for the advanced level, and one remote password for remote access.
Note
Incorrect password
If the remote password is entered incorrectly three times in succession, access to the device
via MODBUS is blocked for 15 minutes.
The default password is:
User level: 1000
Advanced level: 2000
Remote password: 3000
For the activation / deactivation of the password, please refer to chapter P03 Password
(Page 165).
5.1.2.1
Password protection against physical access
In order to prevent physical access via the user interface on the front of the device,
passwords can be assigned for two levels. The scrolling through the display pages and the
changing of the operating mode are not blocked.
User password
Permits the execution of some commands and the modification of some parameters. The
table below lists the executable commands with the password at the user level:
Commands menu
Executable command
C05
Reset counter CNT
C06
Reset limit threshold LIMx
The table below lists the adjustable parameters with the password at the user level:
Setup menu
Adjustable parameters
P01 Settings
P01.01 – P01.10
P09 Source Line CHK
P09.n.01 – P09.n.20
P10 Communications
P10.n.01 – P10.n.13
P11 Automatic Test
P11.01 – P11.15