Password Security And Access Level; Setting Passwords; Access Level - ABB AWT420 Commissioning Instructions

26 AW T4 2 0 | U N I V E R S A L 4 - W I R E , D U A L- I N P U T T R A N S M I T T E R | C I/A W T4 2 0 - E N R E V. B

9 Password security and Access Level

Setting passwords

Passwords are entered at the Enter Password screen accessed
via the Access Level see Figure 29.
Passwords can be set to enable secure access at 2 levels:
Calibrate and Advanced. The Service level is password
protected at the factory and reserved for factory use only.
Passwords can contain up to 6 characters and are set, changed
or restored to their default settings at the Device Setup/
Security Setup parameter – see page 29.
NOTICE
When the transmitter is powered-up for the first time, the
Calibrate and Advanced levels can be accessed without
password protection. Protected access to these levels can
be allocated as required.

Access Level

The Access Level is entered via the Operator menu/Enter
Configuration menu option – see page 20.
Access levels – scroll to level using the
the key (Select) to enter
Access Level
Logout
Read Only
Calibrate
Advanced
Service
Back
Back key
Figure 29 Access level screen
Level Access
Logout Displayed only after Calibrate or Advanced levels are
accessed. Logs the user out of the current level. If
passwords are set, a password must be entered to
access these levels again after selecting Logout.
Read Only View all parameters in read-only mode.
Calibrate Enables access and adjustment of Calibrate parameters.
Calibration is sensor-specific – refer to the sensor
Operating instruction for calibration details.
Advanced Enables configuration access to all parameters.
Service Reserved for authorized service technicians only.
Table 4 Access level menu details
Cursor/Password character indicator (maximum 6 characters)
Enter Password
Next
Cursor – scroll characters using the
press ( Next ) to accept character;
press ( ) to accept password while last character is highlighted
OK
Figure 30 Enter password screen
/ keys and press
Select
Select key
– used to enter levels or
Enter Password screen
OK
/ keys;