Technical data

6.3.2 Constant Current Source

Sources A and B work as constant current source in this functional mode. The output current

is kept constant during the operation period irrespective of load or temperature deviations.

After pressing the MODE button [11] the sub-menu for setting the operating mode is accessed.

On pressing cursor buttons “

∧” and “∨” [13] the menu point for setting the function mode is

called and the following message appears on the display [5]:

MODE

[ CONTROL ]

With the help of the ENTER button [12] the menu point is confirmed and the following

message is displayed:

MODE_A

CONT: [ ]

The term in the brackets [ ]describes the current function mode. On pressing cursor buttons

“

∧” and “∨” [13] the function mode CC is set. The new setting is saved with the ENTER

button [12]. If the former state is to be kept, the ESC button [12] has to be pressed. In both

cases the unit reverts to the starting state.

The character A or B behind MODE_ indicates the current source. Sources A and B can be

individually addressed using the A/B button [12] in independent operating mode.

6.4 Parameter Setting

6.4.1 Mode of Parameter Input

The PN 300 allows the input of voltage and current values in case of active (DIRECT) or

inactive (INDIRECT) outputs of sources A and B.

After pressing the MODE button [11] the sub-menu for setting the operating mode is accessed.

On pressing cursor buttons “

∧” and “∨” [13] the menu point for setting the parameter input

mode is called and the following message appears on the display [5]:

MODE

[ ADJUSTMENT ]

With the help of the ENTER button [12] the menu point is confirmed and the following

message is displayed:

MODE

ADJ : [ ]

The term in the brackets [ ]describes the current input mode. On pressing cursor buttons

“

∧” and “∨” [13] the input mode DIRECT or INDIRECT is set. The new setting is saved

with the ENTER button [12]. If the former state is to be kept, the ESC button [12] has to be

pressed. In both cases the unit reverts to the starting state.

Operating Instructions PN 300

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