1-8
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2308-900-01 Rev. A / July 2008
Section 1: Getting Started
Model 2308 Portable Device Battery/Charger Simulator User’s Manual
Fuse replacement
A rear-panel fuse protects the power line input of the power supply.
To replace the line fuse:
1. Power off the unit and remove line cord.
2. The fuse drawer is located on the left side of the AC receptacle (see
Figure 1-5
). On the
right side of the fuse drawer is a small tab. At this location, use a screwdriver to pry the fuse
drawer open.
3. Slide the fuse drawer out to gain access to the fuse. Note that the fuse drawer does not pull
all the way out of the power module.
4. Snap the fuse out of the drawer and replace it with the same type (250 V, 2.0 A, 5
×
20 mm
time lag). The Keithley Instruments part number is FU-81.
5. Push the fuse drawer back into the power module.
Figure 1-5
Fuse drawer location
Display modes
For voltage and current readings, there are five display modes described as follows:
•
SINGLE V AND I DISPLAY
- This display mode is used to read back the actual output
voltage and current on a single channel. The active channel dictates if the single channel
being displayed is for the battery or charger channel. This display mode is the RST default
(see
Section 2
for details).
•
DUAL V AND I DISPLAY
- This display mode is used to read back the actual output voltage
and current for both channels simultaneously. The top display line shows the voltage and
current readings for the battery channel while the bottom line shows the charger channel
CAUTION
For continued protection against fire or instrument damage, only replace the
fuse with the type and rating listed. If the instrument repeatedly blows fuses,
locate and correct the cause of the problem before replacing the fuse.
Y QUALIFIED PERSONNEL ONLY.
USE WITH SAME TYPE AND RATING.
LINE RATING
100-120VAC, 200-240VAC
50, 60 HZ 165VA MAX
LINE FUSE
SLOWBLOW
2.0A, 250V
REMOTE
DISPLAY
OPTION
RTH: 22 VOLTS MAX MAX.
DVM IN
-30 VDC MAX
+ + + _ _ _ _ +
SOURCE
SENSE
DVM IN
SOURCE
OUTPUT #2
Fuse drawer
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