Chapter 7
Advanced Application Topics
7-24
©
National Instruments Corporation
the security loop. This ensures that the security loop terminates when the
Engine shuts down.
By placing the Security Monitor in a loop, as in Figure 7-6, this HMI can
handle the operator access level changing dynamically and still behave
appropriately.
Activity 7-3. Apply Security to the Alarm
Summary Display
Your objective is to assign access privileges to the Alarm Summary
application created in Activity 5-2,
Acknowledge Alarms in the Alarm
. You also will associate specific access levels to an
Acknowledge Boolean on your front panel.
1.
Configure the BridgeVIEW environment security by selecting
Project»Security»Edit User Accounts.
2.
Select Add New Users>> and create the following new accounts:
a.
User Name:
Administrator
; Level:
255
;
Password:
Administration
Press Add to create this new account.
b.
User Name:
Anyone
; Level:
25
; Password:
Viewer
Press Add to create this new account.
