Watlow PM LEGACY™ Limit Controller • 94 • Chapter 8 Features
How to Enable Password Security
Follow the steps below:
1. From the Home Page, press and hold the Reset Key and the Advance Key for approximately six sec-
onds. CUst will appear in the upper display and fCty will appear in the lower display.
2. Press the Up Key until LoC appears in the upper display and fCty will appear in the lower dis-
play.
3. Press the Advance Key until Password Enable PAS.E appears in the bottom display and change it to
5.
4. Press the Up Key to turn it on. Once on, four new prompts will appear:
a. Locked Access Level LoC.L, (1 to 5) corresponding to the lockout table above.
b. Rolling Password roLL, will change the Customer Code every time power is cycled.
c. User Password pas.u, which is needed for a User to acquire access to the control.
d. Administrator Password pas.A, which is needed to acquire administrative access to the control.
The Administrator can either change the User and or the Administrator password or leave them in the
default state. Once Password Security is enabled they will no longer be visible to anyone other than
the Administrator. In other words the Lock Menu
Lo C
is not available to a User. As can be seen in the
formula that follows either the User or Administrator will need to know what those passwords are to
acquire a higher level of access to the control. Back out of this menu by pushing the Reset ˆ. Once
out of the menu, the Password Security will be enabled.
How to Acquire Access to the Control
To acquire access to any inaccessible Pages or Menus, go to the Factory Page and enter the
ULo C
menu. Once there follow the steps below:
Note:
If Password Security (Password Enabled pas .E is On) is enabled the two prompts mentioned below
in the first step will not be visible. If the password is unknown, call the individual or company that
originally setup the control.
1. Acquire either the User Password pas.u or the Administrator Password pas.A.
2. Press the Advance key one time where the Code CodE prompt will be visible.
Note:
a. If the Rolling Password is off, press the Advance Key one more time where the Password pass
prompt will be displayed. Proceed to either step 7a or 8a. Pushing the Up or Down arrow Key
enter either the User or Administrator Password. Once entered, press and hold the Reset
Key for two seconds to return to the Home Page.
b. If the Rolling Password ro LL was turned on proceed on through steps 3 - 9.
3. Assuming the Code Co d E prompt (Public Key) is still visible on the face of the control simply push
the Advance Key to proceed to the Password pass prompt. If not, find your way back to the Fac-
tory Page as described above.
4. Execute the calculation defined below (7b or 8b) for either the User or Administrator.
5. Enter the result of the calculation in the upper display play by using the Up or Down arrow key
or use PM LEGACY™ Limit Configurator Software.
6. Exit the Factory Page by pressing and holding the Reset Key for two seconds.
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