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12
Operator Control Interface
12.1
Navigating the Wand Mixer Control Screen
Each screen in the Wand Mixer control software has several common elements.
1.
The window bar shows the name and/or status of each screen.
2.
To return to the previous screen, press the back button
in the upper right corner of the screen.
3.
Screen buttons corresponding to critical commands like START, STOP, PAUSE, etc… are protected
from
inadvertent activation by a delay function. To activate these commands the operator should press and hold
the button until the indicating bar in the top of window completely fills (2-3 sec). A request to hold the
command button is shown also indicated as text above the indicating bar.
4.
Time is indicated on the operator interface in hh:mm format unless otherwise specified.
5.
Each operation mode has its own interactive screen, which is either displayed automatically (failure, power up)
or by operator choice from the Main Menu.
12.1.1
User Access Levels
Login function is available through the PW button in the left upper corner of each screen (except informational
screens). All passwords are group passwords, with a minimum of six uppercase, lower case or numeric characters.
In total, three group logins are available: Operator, Supervisor, and Maintenance. Maintenance login is only
available while the system is in power up mode. The login time period is controlled via a program setup
parameter. Access is automatically set to the default (common) level upon expiration of a prescribed time period
since login.
Access to Wand Mixer control software functions is supported using the following levels.
12.1.2
Common (Default) Functions
1.
Use of Manual mode for full access.
2.
Use of Failure mode interactive screens for full access
3.
Use of Auto mode and Remote mode for view only access
4.
No password protection
12.1.3
Operator
This includes all common function with the addition of the below:
1.
Use of recipe start access
12.1.4
Supervisor
This includes and common and operator functions with the addition of the below:
1.
Use of auto mode and remote mode for full access
2.
Access to a limited set of parameters
3.
Ability to change the password for the supervisor and operator groups
4.
Ability to change the automatic logout time
