Omron MX2 Series User Manual page 395

Overview of Password Function
(Example) Password A
Set b190 to "1234".
(Password set)
Password lock enabled
b190 = 0000 (Input disabled)
b191 = 0000 (Input enabled)
Change to b037 disallowed
Password lock enabled. b037
value cannot be changed.
Password Setting
⚫ Password setting
(1) Set the Display Selection (b037) and Soft Lock Selection (b031) depending on the
data you want to protect.
(2) Set any passwords (except for 0000) in the Password A/B Setting (b190/b192).
(3) The password lock is enabled. You cannot change the b037/b031 value.
Multi-function Compact Inverter 3G3MX2-EV2 User's Manual (I666-E1)
Password not set (Default)
b190 = 0000 (Input enabled)
b191 = 0000 (Input disabled)
Change to b037 allowed
Set b191 to "1234".
(Password authentication)
Turn power supply off and
then on again, leave Digital
Operator unoperated for
approximately 10 min, or
change password.
7 Other Functions
Set b190 to "0000".
(Password clear)
Authentication enabled
b190 = 1234 (Input enabled)
b191 = 1234 (Input disabled)
Change to b037 allowed
Inverter transits to this state if pass-
word is authenticated. Although pass-
word settings are not lost, it accepts
changes to b037 value. If power supply
is turned off and then again, or if Digital
Operator is left unoperated for approxi-
mately 10 min, inverter automatically
returns to password locked state.
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