GW Instek PSP Series User Manual

Page 10

PSP SERIES

USER MANUAL

the "V LIMIT " key is now pressed for longer than 2s,

the voltage upper limit will again be set at "rating

voltage". To complete the input, press the "ENTER"

key. An inadvertently wrong-set limit setting can be

erased/reset with the " CE " key. As a result of this, the

previous set value will be indicated and the setting

menu exited. The "U-const" will no longer flash.

During operation (output On), the voltage output can

also be adjusted up to the set limit.

I LIMIT Current limit

Press the " I LIMIT" key in the "LIMITS" field until the

symbol "I-const" flashes. The current limit can now be

adjusted to 1mA, 2mA, 10mA ("fine") or 100mA

("norm", coarse) steps by using the encoder wheel. If

the "I LIMIT" key is now pressed for longer than 2s, the

current upper limit will again be set at "rating current".

To complete the input, press the "ENTER" key. An

inadvertently wrong-set limit setting can be erased/reset

with the " CE " key. As a result of this, the previous set

value will be indicated and the setting menu exited. The

"I-const" will no longer flash.

P LIMIT Power limit

Press the "P LIMIT" key in the "LIMITS" field until the

symbol "P-const" flashes. The power limit can now be

adjusted to 1 W steps by using the encoder wheel. If the

"P LIMIT" key is now pressed for longer than 2s, the

PSP SERIES

USER MANUAL

power upper limit will again be set at "200 W". To

complete the input, press the "ENTER" key. An

inadvertently wrong-set limit setting can be erased/reset

with the " CE " key. As a result of this, the previous set

value will be indicated and the setting menu exited. The

"P-const" will no longer flash.

Attention: The current "I LIMIT" is adjusted

independently of its setting by the maximum output

power setting. The voltage upper limit does not

change.

C) "KEY INPUT" field settings

V SET Using the "V SET" key, the output voltage can be adjusted

up to the preset upper limit directly. For this the "V SET"

key must be pressed and held and the voltage changed

with the encoder wheel. If the "fine" F key is selected,

the changes occur in 10 mV, and 20mV steps. If

"norm" N key is selected, the changes occur in 1V

steps.

ENTER Each input via the "LIMITS" keypad is completed with the

"ENTER" key.

CE Any values incorrectly entered via the "LIMITS" keypad

can be reset with the " CE " key.

N The size of each setting step can be changed by using the

" N " ("Normal") key. In connection with the " F " key, so-

called mutual locking is achieved.

F If the " N " key is pressed, the "fine" symbol disappears