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Table 9-17: Voltage Surge .................................................................................................................................................125
Table 9-18: Abnormal Voltage Surge .................................................................................................................................127
Table 10-1: Steady state voltage........................................................................................................................................131
Table 10-2: Steady state frequency....................................................................................................................................132
Table 10-3: Frequency Modulation.....................................................................................................................................132
Table 10-4: Abnormal Over Frequency ...............................................................................................................................137
Table 10-5: Abnormal Under Frequency .............................................................................................................................137
Table 15-1: Error Messages...............................................................................................................................................151
California Instruments 9
User Manual Compact i/iX Series
1. Introduction
This instruction manual (P/N 6005-960) contains information on the installation, operation, calibration
and maintenance of the Compact /iX Series AC power sources, models 751i, 751iX, 1501i and
1501iX.
Figure 1-1: Model 1501iX AC Source.
1.1 General Description
The Compact i/iX Series of AC Power Source is a family of high efficiency, rack mountable, AC Power
Sources that provide a precisely controlled output voltage with low distortion and measurements.
Standard output voltage ranges are 150 Vac and 300 Vac RMS. The 751i/iX and 1501i/iX models
operate in single-phase mode and provide a maximum output power of 750VA (751i/iX models) or
1500VA (1501i/iX models). A unique constant power mode allows for higher output current at less
than full-scale voltage effectively increasing the usability for many applications where otherwise a
higher power level AC source may be needed.
For power levels above 1500 VA, two iX Series units can be combined using the system interface in a
parallel mode of operation. These multi chassis systems consist of one master unit with controller and
one auxiliary unit.
Read the installation instructions carefully before attempting to install and operate the Compact i/iX
Series power source.
For three phase power applications, refer to California Instruments models 2253i and 2253iX, user
manual P/N 6005-962 instead.
California Instruments 10
User Manual Compact i/iX Series
1.2 iX and i Model Differences
The iX models offer additional features and functions over the i models. Some of the features
available on the iX models such as the GPIB interface may be added as an option to the i models at
the time of order. Other features are exclusive to the iX models.
Both models are based on the same AC power source hardware platform and share many common
components. The differences are primarily in configuration and options. This manual covers both
models. Some menus and screen shown in this manual may not apply to i model AC sources.
All 751i/iX and 1501i/iX models are equipped with a USB interface. The iX models also include a GPIB
interface. The GPIB interface can be specified as an option on the i models at the time of order. An
optional Ethernet interface (-LAN) is available on the iX models.
1.3 Manual organization and format
All user documentation for California Instruments power sources is provided on CDROM in electronic
format. (Adobe Portable Document Format) The required Adobe PDF viewer is supplied on the same
CDROM. This manual may be printed for personal use if a hardcopy is desired. To request a
hardcopy from California Instruments, contact customer service at support@calinst.com. There will be
an additional charge for printed manuals.
This manual contains sections on installation, normal use, maintenance and calibration.
Refer to the iX Series Programming manual for information on using the remote control interface and
command syntax. The programming manual (P/N 6005-961) is provided on the same CDROM as this
user manual.
California Instruments may make updated versions of this manual available from time to time in
electronic format through it’s website. To obtain an updated manual revision if available, check the
California Instruments Manual download page at www.calinst.com. You need to register as a
customer to obtain free access to manual and software downloads.
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