Foldback Check; Address Setting; Baud Rate Setting - Delta D750 User Manual

User Manual
D750
DC Power Supply

2.7.7 Foldback Check

Shorting the output may expose the user to hazardous voltages. Observe proper safety
Refer to Section 3.2.5 for explanation of the FOLD function prior to performing the
procedure below.
1. Ensure that the output voltage is set to approx. 10% of the unit rating.
2. Adjust the CURRENT encoder to set the current limit to approx. 10% of the unit rating.
3. Momentarily press the FOLD button. Ensure that the FOLD LED illuminates. The output
voltage remains unchanged.
4. Short the output terminals momentarily (approx. 0.5 sec.). Ensure that the output voltage
falls to zero, the VOLT display shows "FB" and the ALARM LED blinks.
5. Press the FOLD button again to cancel the protection. The output voltage remains zero.
6. Press OUT button. Ensure that the output voltage returns to it's last setting.
7. Turn the output off by pressing OUT button. Ensure that the VOLT display shows "OFF" .

2.7.8 Address Setting

1. Press and hold the REM/LOC button for approx. 3sec. The VOLT display will show the
communication port address.
2. Using the VOLT adjust encoder, check that the address can be set within the range of 0
to 30.

2.7.9 Baud Rate Setting

1. Press and hold the REM/LOC button for approx. 3sec. The CURRENT display will show
the communication port Baud Rate.
2. Using The CURRENT adjust encoder, check that the Baud Rate can be set to 1200,
2400, 4800, 9600 and 19200.
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WARNING
procedures.