Performance Veri
fi
cation
Check DC Current Line
Regulation
This check procedure uses the same test setup as the previous procedure.(See
Figure 6.)
For each channel sequentially.
1.
Change the AC Power Source output to the voltage speci
fi
ed in the following
table.
DUT voltage selector
switch
AC power source voltage
Japan con
fi
gured units
110
99 V
90 V
220
198 V
180 V
NOTE.
Ensure the warm-up criteria has been met as described in the Performance
Veri
fi
cation Conditions.
2.
Set the voltmeter as follows:
a.
Set to measure DC volts.
b.
Set to auto range.
c.
Set to show amps (instead of volts) by multiplying the voltmeter result
by 20.
Press Shift DC V (mX+B).
Use the arrow key to move the cursor to the far right until it is
positioned on the ^.
Press the up range button once so that M=10.00000.
Press the arrow key to move the cursor to the 1’s digit and then press
the up range button once so that M=20.00000.
Press the Enter button and check that the display shows B=0.
Press the Enter button and check that the display shows UNITS.
Use the arrow keys to modify the display to show AMP.
Adjust each letter individually.
3.
Set the electronic load as follows:
a.
Set to Constant Voltage.
b.
Set to the speci
fi
ed voltage for your channel under test (CUT). (See
4.
Set the channel under test (CUT) to 100% of the full scale (FS) output voltage.
5.
Set the CUT to 100% of the full scale (FS) output current.
42
Series 2200 Multichannel Programmable DC Power Supplies Technical Reference
