*Enable/Disable open (Power supply is disabled)
Off, Power Supply is shut off)
*IEEE failure (With optional IEEE interface)
ower supply AC On/Off, it can start to its last setting of Output Voltage and Current with
restart mode) or start with the output Disabled (Safe
start mode). Press and hold the
OUT button to select between Safe
rt modes. The VOLTAGE display will continuously cycle
between “SAF” and “AU7” every 3 seconds. Releasing the OUT pushbutton while one of the modes is di
selects that mode. The default setting at shipment is Safe
In this mode, the power supply restores its last operation setting. Upon start
up, the output is enabled
or disabled according to its last setting.
In this mode, the power supply restores its last operation setting and sets the Outp
up, the output is Disabled and the Output Voltage and Current are zero. To Enable the output
and restore the last Output Voltage and Current values, momentarily press the OUT button.
5.12 OVER TEMPERATURE PROTECTON (OTP)
P circuit shuts down the power supply before the internal components can exceed their safe
internal operating temperature. When an OTP shutdown occurs, the display shows “O7P” and the
Resetting the OTP circuit can be automatic (non
d) or manual (latched) depending on the
start mode, the power supply stays Off after the over temperature co
dition has been removed. The display continues to show “O7P” and the ALARM LED cont
blink. To reset the OTP circuit, press the OUT button (or send an OUT ON command via the serial
restart mode, the power supply recovers to its last setting automat
cally when the over temperature condition is remo
The power supply is equipped with Last Setting Memory, which stores several power supply param
Output Voltage setting (PV setting)
Remote/Local: If the last setting was Local Lockout, (latched mode), the supply will return to
(Items 8, 9, 10 are related to Remote Digital Control operation and are explained in Chapter 7)
Power supplies of the SAME MODEL can be connected in series to obtain increased output v
Split connection of the power supplies gives positive and negative output voltage.
