Selecting Proper Current Range; Selecting Current Limit Mode - Keithley 2302 Instruction Manual

2-6 Basic Power Supply Operation

Selecting proper current range

NOTE
Power supply current ranges are listed in
will automatically go to the most sensitive range to perform the measurement. The current range
setting may be the same or different for each channel
Table 2-1
Current ranges
Power supply
Model 2306, 2306-VS
Model 2306-PJ:
Battery channel (#1)
Charger channel (#2)
NOTE
Procedure
To select the CURRENT RANGE from the front panel:
1.
2.
3.
4.
5.
6.

Selecting current limit mode

NOTE
If the current limit is reached, the output will either turn off (TRIP) or stay on (LIM). The two
current limit modes (LIM or TRIP) are explained as follows:
LIM mode - With LIM mode selected, the output will remain on when the current limit is
reached. The "LIM" message will appear on the lower line of the display after the current read-
ing indicator (A or mA). The message will clear when the limit condition is cleared.
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The current range value is channel specific. The number after the # indicates the
channel affected by editing.
Current ranges
5A, 5mA or AUTO
5A, 500mA, or AUTO
5A, 5mA, or AUTO
Table 1-3 (in Section 1) shows the menu structure. Rules to navigate the menu follow
the table.
Press the MENU key to access the main menu.
Select CURRENT RANGE #1 or #2 by scrolling through the primary menu items (use
the / keys to scroll). Scroll until CURRENT RANGE is displayed on the bottom
line.
Select channel for CURRENT RANGE. Toggle between CURRENT RANGE #1 or #2
using the / keys. The "#1" (battery channel active) or "#2" (charger channel active)
will appear on the bottom line of the display.
Press ENTER.
Use the / keys to display the desired current range value. Setting changes can be
canceled by pressing MENU.
Press ENTER to save and return to main menu.
The current limit mode setting is channel specific. The number after the # indicates
the channel affected by editing.
Table 2-1. With auto range selected, the instrument
.