Dynatronix LT1200X SERIES Specifications download pdf (Page 43)

Smart LT Manual Dynatronix, Inc.

198-0853-02 Rev F Page 43 of 126

top display. Likewise an ATC cycle could display “tArg Amp min” or “tArg Amp hr”

on the top display. The bottom display will show the currently selected target cycle

time. The decimal place and maximum allowed setting will be dependent on the

decimal setting made in the preceding steps. The SET lamp is blinking on and off to

indicate that a setting is displayed. Rotate the current encoder to change the

selected digit (blinking digit). Each press of the current encoder selects the next

digit. Once the desired target cycle time is set press the voltage encoder switch to

accept the setting and return to the “Cycle Setup Menu”.

11) From the “Cycle Setup Menu” rotate the current encoder until the display shows

“CyCL” “End”. Then press the voltage encoder switch to exit the “Cycle Setup

Menu” and return to the “Unit Setup Menu”.

12) If any cycle settings were changed you will be prompted to store the changes.

Select “yES” to accept the changes or “no” to cancel the changes.

13) From the “Unit Setup Menu” rotate the current encoder until the display shows “SEt”

“End”. Press the voltage encoder switch to exit the “Unit Setup Menu”.

6.4.3. Tolerance Settings

The power supply can be configured to report an error code when the current and/or voltage

reading is out of tolerance. The out of tolerance error code is displayed on the front panel (see

6.5.Error Messages for details on how error messages are displayed) and is reported in the serial

host port alarm status message (see Appendix B:Host Port Protocol for details on the alarm status

message). Out of tolerance errors do not affect power supply output or operate/standby state.

Once an out of tolerance error is set it will remain set until a new cycle is started or the error is

manually cleared (see 6.5.2.Clearing Error Codes for details on manually clearing error codes).

Tolerances are set as a percentage of the associated setting. A tolerance setting of 0% disables

out of tolerance error reporting for the associated signal. A current tolerance setting of 10% will

cause an out of tolerance error to be set if the current reading differs from the current setting by

more than 10%. A current tolerance setting of 10% and a current setting of 10.0 amps would

cause a current over tolerance alarm for any current reading greater than 11 amps and would

cause a current under tolerance alarm for any current reading less than 9 amps. See Appendix

C:Error Codes for a list of possible out of tolerance error codes.

Use the “Tolerance Setup Menu” in the “Unit Setup Menu” to configure tolerance settings. The

following procedure describes how to change tolerance settings. See A.5.2.Tolerance Setup

Menu for details on the “Tolerance Setup Menu”.

1) Enter the “Unit Setup Menu” by pressing and holding both encoder switches until the

display shows “Unit” “SEt” (see A.5.Unit Setup Menu for details).

2) Rotate the current encoder until the display shows “SEt” “tOL”. Then press the

voltage encoder switch to enter the “Tolerance Setup Menu”.

3) From the “Tolerance Setup Menu” rotate the current encoder to select either the

current or voltage tolerance setting. The top display will show “tOL”, the bottom

display will show “Curr” for current tolerance or “UOLt” for voltage tolerance. Once

the desired signal is selected press the voltage encoder switch to view and change

the associated tolerance setting.

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