COMMUNICATIONS INTERFACE
www.maxcessintl.com
DLCA NET-ECAT
MI 850A365 1
Page 54 of 72
8.7
Function information
This section describes how the functions are used.
8.7.1
Security
The DLCA NET-ECAT can be locked out to prevent parameter
changes and calibrations from being performed.
Setting or clearing security
To set or clear the security state, two identical passwords must
be entered using the command Password 1 Entry and Password 2
Entry.
1.
Enter the password into the
Command Request Parameter
register and enter the command 0x17 (Password 1 Entry) in
the
Command Request
register. A response of 0x4003 0017
will be returned in the
Command Response Parameter
register
showing a message that only one password has been entered.
2.
Enter the same password in the
Command Request Parameter
register and enter the command 0x18 (Password 2 Entry) in
the
Command Request
register. A response of 0x40010018
will be returned showing a message that the system has been
locked or unlocked in the
Command Response Parameter
.
This same procedure needs to be executed to unlock the system.
When the system is unlocked the returned message will be
0x40020018. If the passwords entered do not match, or the
passwords do not match the stored password used to lock the
system, an error message will be returned.
The password range is from 0000 to 9999.
An attempt to change a parameter or execute a calibration while
the system is locked will return an error message stating the
System Locked by Password 0x200D00xx.
The factory back door password is 6195.
