
User Manual
California Instruments
3.7Single-Phase and Three Phase Multiple Box System Configurations
Three Phase System:
The three phase system will be configured ready for use when ordered as such from the factory.
One unit, with the controller, will be identified as Phase A on the serial number tag. The other
two units will be identified on their serial number tags as either Phase B or Phase C. The power
sources
must
be installed in the system according to the phase markings on the serial number
tags. There will be one master unit that will have a full controller and the slaves will have blank
front panels except for the circuit breaker and indicator lights.
The three units must be interconnected using the
system Interface cable. The three
LO
outputs
must also be connected together before applying power.
If the units were purchased as single phase units and have not been configured for a three phase
system please consult the factory.
Single Phase System:
In a single phase system consisting of two or three units there will be one master unit that will
have a full controller and the slaves will have blank front panels except for the circuit breaker and
indicator lights.
The units must all be connected with the system interface cable,
but not the clock and lock
cables.
The HI outputs on all the terminal blocks should be connected together. The LO
outputs should all be connected together and a heavy duty cable run to the load from the HI and
LO outputs. See Table 3-1 for cable sizing.
The appropriate jumpers have been installed at the factory before shipment. If it becomes
necessary to change the system to three phase output, please consult the factory.
3.8Output Voltage Ranges
The NSG 1007 II power sources have two AC voltage ranges (150Vrms and 300Vrms) and two
DC voltage ranged (200Vdc and 400Vdc). The maximum available load current is a function of
both the mode of operation (AC, DC or AC+DC mode) and the selected voltage range (high or
low).
3.9Functional Test
CAUTION:
Work carefully when performing these tests, hazardous voltages
are present on the input and output during this test.
Refer to Figure 3-20 for the test set up.
1. Connect an oscilloscope, voltmeter and/or distortion analyzer to the AC source output at the
output terminal block (TB2).
2. With the AC mains verified as being off, apply the correct three phase AC power input
voltage connections to the AC source input terminals barrier (TB1). Apply the AC mains
power and turn on the main circuit breaker on the AC source front panel.
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i Series II / NSG 1007 II / iM Series II
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Страница 131: ...User Manual California Instruments Figure 5 73 Power Source Module Block Diagram NSG 1007 Series II 131 ...
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Страница 135: ...User Manual California Instruments Figure 5 75 Logic Board LED s NSG 1007 Series II 135 ...
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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 ...
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