PIStudio Manual

5.5 Security

Security means objects and screen security, but this function is only avaialble in PI3000i series and PI+ series;
Only when object password is set, object password function could be used in object;

Objects password

Users should type password to access the protected object. This could avoid some disoperation on object. There are 12 levels in object password setting, and each level corresponds to each password.
  1. 1.
    Enable object password: Check it to enable object security function;
  2. 2.
    Passwords for levels: It is used for set password for every level, it is composed of numbers and letters (case sensitive)within 8 digits;
  3. 3.
    Start level: It is used for set initial level while this function is enbled;
  4. 4.
    Highest level: It is used for set how many levels of password could be used.
  5. 5.
    Independent password:
Unchecked: Users should type the corresponding level password when unlocking each level of object, and the higher level password could unlock the lower level object.
Checked: Users could only type the corresponding level password when unlocking each level of object.
  1. 1.
    Object level password could be enabled in [bit switch],[word switch],[function switch],[combination switch],[numeric input],[character input],[drop down list] etc.
  2. 2.
    The configured password could not be empty, otherwise when users close the configuration screen ,there will be an error: [please set password for level].
  3. 3.
    If configured object password level is higher than highest password setting in project settings, there will be an error note during compiling: “the security level of this object is out of range! ”.Users need to set password level again to solve the problem.

Screen lock

The screen lock function provides another way for the security of HMI operation. When clients do not perform any operation for a set period of time, the HMI screen would be locked, and the password is required when HMI is operated again.
Screen lock: Check it to enable this function;
Password: this password is used for unlocking screen, it is composed of numbers and letters (case sensitive)within 8 digits.
Lock time: It is used for setting time how long the screen will be locked if users do not operate, range:1-240 minutes(integer).
Last modified 3yr ago