Smart LT Manual
Dynatronix, Inc.
198-0853-02 Rev F
Page 63 of 126
10.
Press the “OPER” switch to enable the power supply output. The calibration value for
CL02 is updated automatically and displayed on the bottom display. After the calibration
value stabilizes press the voltage encoder switch to accept the new calibration value and
return to the “Local Calibration Menu” (the voltage encoder switch must be pressed while in
operate mode to accept the change to CL02). Optionally you can press the OPER switch
and return to standby mode (OPER/STBY lamp is off) to cancel the change to CL02 and
return the calibration value to its original value. Press the voltage encoder switch to return
to the “Local Calibration Menu”.
11.
From the “Local Calibration Menu” rotate the current encoder until the display shows “CAL”
“CL03”. Press the voltage encoder switch to view and change CL03 (lower current output
calibration point). When CL03 is viewed the top display will show “I.Lo Out CL03”. The
bottom display shows the calibration value.
12. When calibrating the lower current output (CL03) the power supply output will be enabled at
approximately 10% of the current rating. Verify the proper load connections before
proceeding.
13.
Press the “OPER” switch to enable the power supply output.
14. Use the current encoder to adjust the output so that the volt meter across the shunt reads
the proper value for 10% of the average current rating. Calculate using -
unit current
rating x shunt voltage / shunt current x 0.10
15. There are two ways to end the calibration of CL03. The first way is to press the OPER
switch and return to standby mode (OPER/STBY lamp is off) and then press the voltage
encoder to return to the “Local Calibration Menu”. If this method is used to end CL03 then
proceed with step 16 below to calibrate CL04. Optionally it is possible to automatically
calibrate CL04 before ending CL03. To automatically calibrate CL04 press the voltage
encoder switch while the unit is still in operate mode (OPER/STBY lamp is on), the display
will momentarily change to “…” while CL04 is calibrated and then the unit will change to
standby mode (OPER/STBY lamp is off) and will ret
urn to the “Local Calibration Menu”.
16.
From the “Local Calibration Menu” rotate the current encoder until the display shows “CAL”
“CL04”. Press the voltage encoder switch to view and change CL04 (lower current meter
calibration point). When CL04 is viewed
the top display will show “I.Lo mtr CL04”. The
bottom display shows the calibration value.
17. When calibrating the lower current meter calibration point (CL04) the power supply output
will be enabled at approximately 10% of the current rating. Verify the proper load
connections before proceeding. The lower current output (CL03) must be calibrated prior
to calibrating CL04.
18.
Press the “OPER” switch to enable the power supply output. The calibration value for
CL04 is updated automatically and displayed on the bottom display. After the calibration
value stabilizes press the voltage encoder switch to accept the new calibration value and
return to the “Local Calibration Menu” (the voltage encoder switch must be pressed while in
operate mode to accept the change to CL04). Optionally you can press the OPER switch
and return to standby mode (OPER/STBY lamp is off) to cancel the change to CL04 and
return the calibration value to its original value. Press the voltage encoder switch to return
to the “Local Calibration Menu”.