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Monitoring and Operating the Controller
4/07 UDC2500 Universal Digital Controller Product Manual 91
Table 4-1 Procedure to Enter a Security Code
Step Operation Press Result
1
Enter Set Up
Mode
SetupSetup
Upper Display = SET UP
Lower Display = TUNING
2
Select any Set
Up Group
FunctionFunctionFunction
Upper Display = 0
Lower Display = SECUR
3
Security Code
Entry
or
To enter a four digit number in the upper display
(0001 to 9999)
This will be your security code.
4.4 Lockout Feature
Introduction
The lockout feature in the UDC2500 is used to inhibit changes (via keyboard) of certain
functions or parameters by unauthorized personnel.
Lockout levels
There are different levels of Lockout depending on the level of security required. These
levels are:
• NONE No Lockout. All groups Read/Write.
• CAL Calibration prompts are deleted from the Setup List.
• CONF Timer, Tuning, SP Ramp, and Accutune are Read/Write. All other Setup
groups are Read only. Calibration Group is not available.
• VIEW Timer, Tuning, and SP Ramp are Read/Write. No other parameters are
available.
• ALL Timer, Tuning, and SP Ramp are Read only. No other parameters are
viewable.
See Subsection 3.4 - Tuning Parameters Set Up Group prompts to select one of the
above.
Security Code (see Subsection
4.3)