Programmable AC Source 61705 User’s Manual
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3.5.1 RANGE
The AC Source supplies full range of output voltage with options of 150 V and 300 V for each
phase. Users can set RANGE on SETUP functional list (see section 3.5). This parameter
controls relays to parallel (150V RANGE) or series (300V RANGE) power stages to obtain
more current or higher voltage.
To set the range of output voltage as 150V as below:
1. Move the cursor to the command line of RANGE. RANGE = 300V_
2. Turn the RPG to change the option from
“300V” to “150V”, then press ENTER. RANGE = 150V
The AC Source will set output voltage to 0V first in order to eliminate
voltage spike when range changes. Then, it will set output voltage to
the new setting value. It may cause the UUT to shut down or be
damaged if the output is active when the range changes.
3.5.2 Vac LIMIT
The setting of Vac LIMIT will restrict the value of Vac in MAIN PAGE. Users can set Vac
LIMIT on SETUP functional list (see 3.5). This command is about user-programmable
protection, not hardware protection.
The procedures for setting Current Vac LIMIT = 120V, are described as below:
1. Move the cursor to the command line
of “Vac LIMIT = ”. Vac LIMIT = 300.0_
Vdc LMT (+) = 424.2 Vdc LMT (-) = 0.0
I LIMIT (A) = 0.0 DELAY (s) = 0.0
BUZZER = ON OUTPUT RELAY = ON [ SETUP ]
DATALOCK = OFF
Is START = 0.0 ms
Is INTERVAL = 50.0 ms
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