GW Instek PSM-Series User Manual - Manual (Page 11)

PSM-SERIES PROGRAMMABLE POWER SUPPLY
USER MANUAL
⎯ ⎯
15
5. OPERATION INSTRUCTION
5-1. Basic Operation
z The applied Voltage/Current Unit for this series instruments is Volt and
Amp.
z The Instrument requires 30 minutes warm-up with no load before
operation or calibration to achieve rated accuracy.
z The Factory setting is in panel operation mode that enable user to operate
the instruments directly from panel control knob. Besides, when the
remote controller is on line, the operation can only be proceed through it,
unless the LOCAL key is pressed, at this time, the OUTPUT is still
working. Whenever the power is reset, the output will be at OFF status
and the operation is through front panel operation mode.
z The series of power supplies have double output ranges, after power on,
the output is always at OFF status, and the setting is stayed at the
previous setting status before power off.
z Whatever the output is at ON or OFF, the output range can be switched
dynamically. During the switch process, if the original setting value is
more than the maximum output range after switch, the setting value will
be modified automatically to the maximum output value after switch.
z A short plate is attached to the sampling terminal of the front panel, when
use the remote sense, the short plate must be removed.
PSM-SERIES PROGRAMMABLE POWER SUPPLY
USER MANUAL
⎯ ⎯
16
z When the output is set to OFF, the OUTPUT OFF message will be
displayed on the front panel, the setting still can be modified. At the same
time of modification, the corresponding setting item or status will be
displayed. When the output is set to ON, the setting can also be modified.
At the same time of the modification, the panel display mode is changed
from measurement value to the setting item or status. Under the normal
setting of voltage or current, the panel will display measurement value, if
want to change the displayed mode to setting value, press
[SHIFT][DISPLAY LIMIT] to input setting value, after a few seconds, if
no value is input, the display mode will be switched to measurement value
automatically.
z When set output on, the symbol of “＊” will be appeared on the upper left
of meter to indicate the instrument is at output mode. when the meter
displays output measurement value(at measuring status), the symbol of
“＊” becomes blinking.
5-2. Function Key Description
Press one of the function keys to proceed function setting, after setting,
press again the function key to leave the function or press another key for
another setting.
z V SET : Output voltage setting