Owner manual

ABCOPR040104
1-1
SECTION 1 - INTRODUCTION
1.1 SCOPE OF MANUAL
This manual contains instructions for the installation and operation of the ABC series of 100
Watt bench-top, voltage and current stabilized d-c power supplies manufactured by Kepco, Inc.,
Flushing, New York, U.S.A.
1.2 GENERAL DESCRIPTION
The Kepco ABC Power Supply Series (Figure 1-1) consists of six single-output models as listed
in Table 1-1. ABC Series Power Supplies can be operated from a wide range of a-c input power
sources (85-265V a-c, 47 - 63Hz). Although ABC is a stand-alone, bench top design, rack
mounting can also be accommodated by rack adapters available for standard 19-inch wide
racks (see Figures 1-2 and 1-3). Load connections may be made either at front panel terminals,
or at a barrier terminal strip located at the rear.
ABC Series Power Supplies employ high frequency switch-mode conversion and power factor cor-
rection. ABC Power Supplies are full-range, automatic-crossover voltage/current stabilizers with a
full rectangular output characteristic. The ABC is controlled digitally over the entire voltage/current
range. Voltage and current are displayed on a two-line alphanumeric LCD display. Control of the
ABC can either be local (via the front panel keypad) or remote (via either the IEEE 488.2 GPIB
communication bus or RS 232 serial bus) using SCPI commands.
1.3 SPECIFICATIONS
Table 1-1 below indicates parameters that vary for different ABC models; Table 1-2 lists the
Overcurrent and Overvoltage Range for each model. Table 1-3 lists general specifications that
apply to all ABC models.
TABLE 1-1. MODEL PARAMETERS
MODEL
NUMBER
d-c OUTPUT RIPPLE AND NOISE (mv) (See PAR. 1.10) EFFICIENCY
RANGE POWER
2x SOURCE
FREQUENCY
SWITCHING
FREQUENCY
SPIKE (50MHz)
100% LOAD
85-264V a-c
VOLTS AMPS WATTS TYP MAX TYP MAX TYP MAX % MIN
ABC 10-10DM0-100-101002425320 65%
ABC 15-7DM0-150-71053738420 66%
ABC 25-4DM 0-25 0-4 100 5 10 5 10 5 20 66%
ABC 36-3DM 0-36 0-3 108 7 15 7 15 7 20 67%
ABC 60-2DM 0-60 0-2 120 12 24 12 24 12 24 68%
ABC 125-1DM 0-125 0-1 125 25 50 25 50 25 50 70%
TABLE 1-2. MAXIMUM OVERVOLTAGE AND OVERCURRENT SETTINGS
MODEL NUMBER
ABC
10-10DM
ABC
15-7DM
ABC
25-4DM
ABC
36-3DM
ABC
60-2DM
ABC
125-1DM
MAXIMUM OVERVOLTAGE SETTING 11V 17 27 39 65 137
MAXIMUM OVERCURRENT SETTING 11 7.7 4.4 3.3 2.2 1.1