iL Series User Manual
40
Rev B
California Instruments
Step Action
Display
1.
On the Function keypad, press Voltage.
VOLT 0
2.
You can set the voltage in any of three ways:
On the Entry keypad, press 1 2 0 Enter. This is the
easiest way to enter an accurate value.
VOLT 120
On the Entry keypad, press 1 1 7 Enter. Then, press to
scroll from 117 V up to 120 V. This technique is useful
when you are making minor changes to an existing
parameter value.
VOLT 117
Rotate the panel Voltage knob to obtain 120 V. This
method is best when you want to enter an approximate
value without using the voltage menu.
120 V 60 HZ
3.
On the Function keypad, press Output On/Off to enable
the output. The
Dis
annunciator will go off, indicating that
the voltage is now applied to the output terminals.
120 V 60 HZ
Table 28 : Setting the output voltage amplitude
Procedure for Three-Phase Mode
If the AC source is in three-phase mode, you can set the rms voltage of all three
phases identically, or set each one differently. This is controlled via the Phase Select
Menu on the Function keypad.
The example on the following page shows how you can set the phase 1 output to
120 Vrms, phase 2 to 180 Vrms, and phase 3 to 235 Vrms.
Step Action
Display
1.
On the Function keypad, press Voltage. Note that in the
power-on default state, the
Ø1
,
Ø2
, and
Ø3
annunciators
are all lit, indicating that any commands sent to the
instrument will be sent to all three phases.
VOLT 0
2.
Scroll through the phase selections by pressing Phase
Select. Pressing Phase Select moves you through phases
1, 2 and 3, as indicated by the phase annunciators.
Pressing it once more returns you to the first state with all
three phase annunciators on.
VOLT 0
3.
While in the Voltage menu, press Phase Select to access
Phase 1. On the Entry pad, press 1 2 0 Enter.
VOLT 120
4.
Access the Voltage menu again and press Phase Select
once to access Phase 2. On the Entry pad, press 1 8 0
Enter.
VOLT 180
5.
Access the Voltage menu again and press Phase Select
once to access Phase 3. On the Entry pad, press 2 3 5
Enter.
VOLT 235
6.
Press Output On/Off to enable the output. The
Dis
annunciator will go off, indicating that the voltages are now
applied to the output terminals.
235 V 60 HZ
To verify the output, you can measure it as follows:
7.
Note that the
Ø3
annunciator is on, indicating that you are
monitoring the last phase you selected, which was Phase
3.
235 V 60 HZ
8.
Press Phase Select once. The
Ø1
annunciator will light,
indicating that you are now monitoring phase 1.
120 V 60 HZ
Summary of Contents for 3000iL
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