Rockwell Automation 937CU-DIFRQ_1 Universal Frequency Converter Installation Instructions - Manual (Page 12)

10
Bul. 937
C Universal Frequency Converter Installation Instructions
Password
You can protect the current configuration from unauthorized changes by using a password (See
Service;
inactive when universal frequency converter is delivered).
If password protection is active, the various settings in parameterization mode are visible before entry of the
password, but may not be changed. The first time an attempt is made to change a setting, the device
automatically displays a window for entering the password.
• You must enter the password once each time after switching from display mode to parameterization
mode.
• The password cannot be changed and is 1234.
How to enter the password:
*If the  or  keys are pressed, the value changes stepwise; if the  or  keys are held down for a longer
period, the value "rolls" to higher or lower values.
Change
attempt
automatic switch to password entry 
Value 0, flashing
Parameters still protected ESC
,  *: 
ESC 
OK, wrong value 
new value, flashing
Parameters released OK, value 1234