1-14
BOP HIPWR 080709
1.6.3
WAVEFORMS
The BOP models have the capability to make the output follow complex waveforms. These may
be generated either externally, using an analog reference voltage (see PAR. 1.6.6), or internally,
using user-generated waveforms.
Up to 16 user-generated waveforms can be stored for later use. The user selects the operating
mode, positive and negative protection levels, and a count (the number of times the waveform is
to be repeated). Each waveform consists of up to 10 segments; each segment is assigned one
of six basic waveform types: square, sine, triangle, negative ramp, positive ramp and level.
Depending on the waveform type, frequency, peak-to-peak amplitude, offset, and start and stop
phase angle are then assigned by the user.
Segments at the beginning of the waveform can be programmed to be executed only once, or to
be repeated as specified by the count. A graphic representation on the LCD shows the wave-
form as segments are added and is displayed prior to execution. This feature provides unique
versatility for generating a waveform that meets user requirements. Refer to PAR. 3.3.9 for fur-
ther details.
1.6.4
SAVING AND RECALLING SETTINGS
The BOP offers 99 memory locations accessible from the front panel that can be used to store a
set of operating parameters for later use. For each location, the user can store operating mode,
output on/off, Main channel reference type and value, and protection reference type and value.
The stored settings can then be recalled to quickly program the unit to the predetermined set-
ting. Refer to PAR. 3.3.8 for further details.
1.6.5
EXTERNAL REFERENCE (ANALOG CONTROL)
An external reference, provided through the rear analog port connector (see Table 2-10), can be
used to control the output of the BOP. The external reference may be applied directly or can be
attenuated by the digital controls (see PAR. 3.4.3.2). The BOP will limit its output based on the
user configurable limits so that, in the event of a failure in the external reference, the devices
connected to the output are protected. Refer to PAR. 3.4 for further details on using external sig-
nals to control the output.
1.6.6
EXTERNAL LIMITS
When the unit is controlled by an external reference, the protection limits can also be controlled
by analog signals that are digitally calibrated. The BOP samples the limit channel inputs and
applies the proper limit levels at a 5 millisecond rate with the positive and negative limits being
sampled alternately. The external limit inputs are hardware-protected against overvoltage. Refer
to PAR. 3.4.4
1.6.7
USER-DEFINED VOLTAGE/CURRENT MAXIMUM VALUES (SOFTWARE LIMITS)
The BOP output can be programmed not to exceed user-defined values. For example, the BOP
36-28MG, which has a maximum capacity of ±36V, ±28A, can be limited to +30V, –10V, +5A, -
1A for working with circuitry that might be damaged by higher levels. Once the limits are set, val-
ues exceeding the limit values will not be accepted, including external references and protection
limits. Refer to PAR. 3.3.4.1.
1.6.8
PARALLEL AND SERIES CONFIGURATIONS
Identical BOP units may be configured in series, parallel or parallel-series (2 X 2 or 3 X 2) con-
figurations. The 2 X 2 configurations doubles both output voltage and output current, the 3 X 2
Содержание BOP 1000W
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Страница 50: ...FIGURE 2 2 LOAD CONNECTIONS LOCAL SENSING...
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Страница 61: ...FIGURE 2 11 POWER ON DEFAULT SCREEN FOR SLAVE UNIT 2 8 4 OPERATING INSTRUCTIONS FOR MULTIPLE UNIT COMBINATIONS...
Страница 63: ...080709 C 25 FIGURE 2 12 3 X 2 3 SERIES X 2 PARALLEL CONFIGURA TION LOCAL SENSING TYPICAL 2 25 2 26 Blank 24 25...
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Страница 68: ...FIGURE 3 3 POWER UP SCREEN SHOWING GRAPHIC METERS VOLTAGE 0000 0...
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