
User Manual
California Instruments
9.4.6Operation
9.4.6.1General
The EOS-1 is used with a Teseq i/iX power source to perform testing compliant with the
requirements of IEC1000-4-11. The EOS routes the voltage from the power source to an
internal, tapped power transformer. Voltage from each of four taps is sent through an electronic
switch to the EOS-1 output. During IEC1000-4-11 testing, the controlling Teseq power source
selects which voltage tap to connect to the EOS output. When IEC1000-4-11 testing is not
active, the controlling power source puts the EOS-1 into bypass mode, shunting the EOS input
terminals directly to the output terminals.
All control of the EOS-1 is performed automatically by the Teseq power source. The control
signals are sent from the power source to the EOS via the option interface cable. Refer to
Section 9.2 for instructions regarding performing IEC1000-4-11 tests with this equipment.
The rated operating current for the EOS in active mode is 18.5 amps. If the controlling power
source is set for an RMS current limit greater than 18.5 amps, it will not activate the EOS unit.
An attempt to do so will indicate Error -222, “Data out of range”. IEC 1000-4-11 tests may still be
run, but in pre-compliance mode with the EOS unit bypassed.
Note that while the EOS is engaged, there is no Function Strobe output. Normally, the function
strobe - outside the transient system - is associated with any output voltage change. When the
EOS is in use however, the function strobe is generated only when the EOS is engaged. This is
because the output is programmed down during relay activation. These strobes are meaningless
and are not related to any output drops occurring through the EOS. During the EOS transients
that use any of the available EOS drop levels, there are no function strobes. Voltage drops that
do not use one of the available fixed drop levels are done by dropping the output of the power
source itself and will result in functions strobes on J22. It is possible to use the OPTION OUT on
the back of the EOS - a DB9 connector, pin 6. The return can be either pine 2, 3 or 4. The
strobe is a low going level that last for only 400 to 500 nsec. This strobe will coincide with drops
performed by the EOS switch.
If the EOS is already in active mode, the controlling power source will not allow its RMS current
limit to be programmed above 18.5 amps.
The EOS-3 is similar to EOS-1 with provision for three-phase operation.
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i Series II / NSG 1007 II / iM Series II
Содержание 10002iX
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Страница 53: ...User Manual California Instruments Figure 3 20 Functional Test Setup NSG 1007 Series II 53 ...
Страница 59: ...User Manual California Instruments Figure 3 26 Connection With MODE Option NSG 1007 Series II 59 ...
Страница 131: ...User Manual California Instruments Figure 5 73 Power Source Module Block Diagram NSG 1007 Series II 131 ...
Страница 134: ...User Manual California Instruments Figure 5 74 5001i Internal Layout 134 i Series II NSG 1007 II iM Series II ...
Страница 135: ...User Manual California Instruments Figure 5 75 Logic Board LED s NSG 1007 Series II 135 ...
Страница 164: ...User Manual California Instruments Figure 9 84 Voltage Modulation 164 i Series II NSG 1007 II iM Series II ...
Страница 204: ...User Manual California Instruments Figure 9 114 NSG 1007 15 208 CTS EOS3 LR3 204 i Series II NSG 1007 II iM Series II ...
Страница 205: ...User Manual California Instruments Figure 9 115 NSG 1007 15 208 3 EOS3 NSG 1007 Series II 205 ...
Страница 223: ...User Manual California Instruments Figure 9 118 Example Connections With INA 2151 NSG 1007 Series II 223 ...