ATC770 Microprocessor-Based Pressure/Process Controller 81
STOP TIME OF SMART FUNCTION - Group 9
Available: Always.
Upper display: This read-only value shows when the SMART (TUNE) function finished collecting
data for transient response analysis.
Lower display: AT.T2
Range: The time resolution is hundredths of second.
Default value: Not applicable. The display shows zero until the first SMART trial.
ADAPTIVE STEP - Group 9
Available: Always.
Upper display: This read-only value shows the internal step number used by adaptive algorithm.
Lower display: AT.ADS
Range: From 0 to 8.
Default value: Not applicable.
11.7 SECURITY CODES SETTING
The security codes setting is accessible by selecting an internal dip-switch setting. There are three
security levels:
• level A: access to parameters group 1.
• level B: access to parameters groups 1 and 2.
• level C: access to parameters groups 1, 2, 3, 4 and 5.
SECURITY CODE - LEVEL A
Available: Always.
Upper display: 0, 1, On.
Lower display: CODE.A
Range: Use ▲ and ▼ keys to input the security codes. 0 means no security code (all
parameters related to level A are always unlocked). 1 means no security code (all
parameters related to level A, level B and level C are always locked). A number
from 2 to 250 is the code for level A protection.
SECURITY CODE - LEVEL B
Available: only if CODE.A is 0 or On.
Upper display: 0, 1, On.
Lower display: CODE.B
Range: Use ▲ and ▼ keys to input security codes. 0 means no security code (the
parameters related to level A and level B are always unlocked). 1 means no security
code (all parameters related to level B and level C are always locked). A number
from 251 to 500 is the code for level B protection.
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