Setpoint Rate/Ramp/Soak Program Operation
5/00 UDC3300 Expanded Model: DC330E User Manual 79
PV Tuning Indications
A small t is displayed in the upper display whenever PV adapt mode is in progress.
During this time, changes to the configuration parameters are permitted. Whenever
the t is displayed it signifies that the process response is being monitored and this
may or may not result in parameter retuning.
The selection of Fast or Normal criteria has no effect on PV adaptive tuning.
Aborting PV Adaptive Tuning
If it is necessary to stop or abort the tuning:
• Press the MANUAL/AUTO key to return to manual mode. This will cause an
immediate abort of tuning.
• Disable SP or SP+PV in the Accutune Set Up group at function prompt
ACCUTUNE or ACCUTUN2.
4.16 Entering a Security Code
The level of keyboard lockout may be changed in the Set Up mode. However,
knowledge of a security code number (0 to 4095) may be required to change from
one level of lockout to another. When a controller leaves the factory, it has a
security code of 0, which permits changing from one lockout level to another without
entering any other code number.
If you require the use of a security code, select a number from 0001 to 4095 and
enter it when the lockout level is configured as NONE. Thereafter, that selected
number must be used to change the lockout level from something other than NONE.
CAUTION
Write the number on the Configuration Record Sheet in Appendix C so
you will have a permanent record.
Table 4-25 Procedure to Enter a Security Code
Step Operation Press Result
1 Enter Set Up
Mode
SET UP Upper Display = SET UP
Lower Display = TUNING
2 Select any Set
Up Group
FUNCTION
LOOP 1/2
Upper Display = 0
Lower Display = SECUR
3 Security Code
Entry
▲ or ▼
To enter a four digit number in the upper display (0001 to
4095)
This will be your security code.
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