Table 4-1: Front Panel Controls and Indicators

Number

Control/Indicator

Description

Section

4

CURRENT display

4 digit, 7 segment LED display. Normally displays the Out-

 

 

 

put Current. When the PREV button is pressed, the display

 

 

 

indicates the programmed setting of Output Current.

 

5

CURRENT indicator

Green LED, lights for Constant-Current mode operation

 

6

CURRENT control

High resolution rotary encoder for adjusting the Output Cur-

5.2.2

 

 

rent.

7.2.4

 

 

Auxiliary Function:

5.15.2

 

 

1. Selects the Baud-Rate of communication port.

 

 

 

2. Set desired mode of the Master Power Supply in Ad-

 

 

 

vanced parallel operation.

 

7

OUT button

Main function: Output ON/OFF control. Press OUT to set

5.6

 

 

the output On or Off. Press to reset and turn On the output

5.11

 

 

after OVP or FOLD alarm events have occurred. Auxiliary

 

 

 

function: Selects between “Safe-Start” and “Auto-Restart”

 

 

 

modes. Press and hold OUT button to toggle between

 

 

 

“Safe-Start” and “Auto-Restart”. The VOLT display will cycle

 

 

 

between “SAF” and “AUT”. Releasing the OUT button while

 

 

 

one of the modes is displayed, selects that mode.

 

8

OUT indicator

Green LED, lights when the DC output is enabled.

 

9

REM/LOC button

Main function: Go to local. Press REM/LOC to put the unit

7.2.5

 

 

into Local mode (REM/LOC button is disabled at Local

7.2.2

 

 

Lockout mode).

 

 

7.2.4

 

 

Auxiliary function: Address and Baud Rate setting. Press

 

 

and hold REM/LOC for 3 sec. to set the Address with the

 

 

 

VOLTAGE encoder and the Baud Rate with the CURRENT

 

 

 

encoder.

 

10

REM/LOC indicator

Green LED, lights when the unit is in Remote mode.

 

11

FOLD button

Foldback protection control.

5.5

 

 

-Press FOLD to set Foldback protection to On.

 

 

 

-To release Foldback alarm even, press OUT to enable the

 

 

 

output and re-arm the protection.

 

 

 

-Press FOLD again to cancel the Foldback protection.

 

12

FOLD indicator

Green LED, lights when Foldback protection is On.

 

13

OVP/UVL button

Over Voltage Protection and Under Voltage limit setting.

5.3

 

 

-Press once to set OVP using VOLTAGE encoder (the cur-

5.4

 

 

rent display shows “OUP”)

 

 

 

 

 

-Press again to set the UVL using VOLTAGE encoder (the

 

 

 

current display shows “UUL”).

 

 

 

 

 

28

83-507-013 Rev. D

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TDK 1500W, 750W technical manual Auxiliary Function