4 unlocking the controller with a masterpin, Unlocking the controller with a masterpin, 2introduction: parameterising the controller – Lenze 8400 StateLine User Manual
Page 42
![background image](/manuals/566309/42/background.png)
2
Introduction: Parameterising the controller
2.4
Device access protection
42
Lenze · 8400 StateLine · Reference manual · DMS 12.0 EN · 06/2014 · TD05/TD14
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
2.4.4
Unlocking the controller with a MasterPin
Every controller has an individual master password called "MasterPin". By entering the MasterPin, a
controller inhibited by the password mechanisms can be reset to the delivery status.
How to restore the delivery status:
1. Inhibit the controller if it is enabled, e.g. via the
• The MasterPin comprises the last 6 digits of the serial number of the memory module.
3. Execute "Check MasterPin" device command
= "1: On / start"
Stop!
When the MasterPin is used, the parameter set is reset to the Lenze setting both in the
controller and in the memory module!
• This results in a permanent loss of the customised parameterisation that must be
recreated!
• A reset to the Lenze setting can result in unforeseen level changes at the I/O terminals
(e.g. brake control)!