General Information - 1
15
Remotely programming is accomplished from either the GPIB bus or from an RS-232 serial port. GPIB
and RS-232 programming uses SCPI commands (Standard Commands for Programmable Instruments)
that make the ac source programs compatible with those of other instruments. AC source status registers
permit remote monitoring of a wide variety of ac source operating conditions
NOTE: Refer to the ac source Programming Guide for further information about remotely
programming the ac source.
Steady-state Output Characteristic
The ac source’s steady-state output characteristic is shown in the following figure. Steady-state
characteristics are defined as those output ratings that will be maintained by the ac source for an
indefinite time. (The section "Peak Current Capability" describes the dynamic output capability of the
unit.) The figure shows both the ac and the dc characteristics. With programmable output coupling, the ac
source can supply dc as well as ac output voltages.
Ac source operation is specified from 45 to 1000 Hz (see Appendix A). However, you can operate the
unit at frequencies less that 45 Hz. The operating characteristics of the ac source at autput frequencies
below 45 Hz are documented in Table A-3 of Appendix A.
Figure 1-2. Steady-state Output Characteristic (in real-time mode)
Vrms
Irms
300 V
2.5A (6812B)
5.8A (6813B)
0
115V (6811B/6812B)
135V (6813B)
6.5A (6812B)
13A (6813B)
AC CHARACTERISTIC
Vdc
Idc
424 V
1.35A (6812B)
3.17A (6813B)
0
115V (6811B/6812B)
135V (6813B)
5A (6812B)
10A (6813B)
DC CHARACTERISTIC
-Idc
-Vdc
750VA (6812B)
1750VA (6813B)
575W (6812B)
1350W (6813B)
-424 V
-5A (6812B)
-10A (6813B)
375VA (6811B)
1.25A (6811B)
3.25A (6811B)
285W (6811B)
0.67A (6811B) 2.5A (6811B)
-2.5A (6811B)
(45Hz - 1kHz sinewave)
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