SECTION 4
OPERATION
27
SECTION 4
FRONT PANEL OPERATION
4
FRONT PANEL OPERATION
This section describes the front panel operation of an UPC Controller installed in a power source. The UPC
controllers are used with Pacific Power Source, Inc’s AMX, ASX, G, and MS series equipment.
The UPC Controller allows the user to control all output parameters of the power source via the front panel
keyboard as well as through the REMOTE interface. SeeSection
4.1
GUIDE TO OPERATION
These instructions present an
OVERVIEW
of UPC operation and present
BASIC OPERATION
, without
having to master all of its complexities.
4.1.1 OVERVIEW
The information contained in this section is necessary for use of the UPC controller. In addition to quick
usage, this section describes basic operational characteristics that are essential when studying UPC
operation in depth.
The UPC is operable either from the front panel keyboard (LOCAL CONTROL operation) or Data Bus
(REMOTE CONTROL operation, IEEE-488/GPIB or Serial). A host computer can force REMOTE
CONTROL when the UPC is displaying a Metering display. LOCAL CONTROL can be resumed either by a
bus command (GoTo Local) or by manually pressing the
LOCAL
key. The host computer can force
retention of REMOTE CONTROL by issuing a lockout command (Local LockOut (LLO) see (
), thereby
preventing manual override.
The UPC controller has 4 operating "modes" when in LOCAL CONTROL.
1.
MANUAL OPERATE
2.
PROGRAM OPERATE
3.
PROGRAM EDIT
4.
SETUP
MANUAL MODE is control of the operating characteristics via the front panel keyboard. Voltage and
frequency parameters are manually set from the front panel. Volts and frequency may be directly entered
through the numeric keyboard or they may be smoothly varied by use of the "slew" controls (up and down
arrows). The V/I METER display (default display) shows both the command values and metered values.
Stored transients may not be executed in the MANUAL MODE.
The PROGRAM OPERATE mode attempts to simplify certain test operations by allowing the operator to
execute pre-stored programs (combinations of Volts, Frequency, Output Coupling, Transformer tap selection
if any, Phase angle, Waveform, and Current limit. A stored program can be executed simply by pressing
PROGRAM
, entering a program number, then
EXECUTE
. Up to 99 programs can be stored - with or
without associated transients, as desired. After a program is called up by number,
EXECUTE
causes the
base - or static - portion of the program to be executed. These base parameters are commonly referred to
as "Steady-state" parameters. Execution of the transient portion of the stored program is separately
controlled by the
TRANS
key.
The PROGRAM EDIT mode allows the operator to create new programs, or change existing programs. It is
noteworthy that programs other than any program actively executing, can be edited without disrupting power
source output. For example, if program 15 is executing, program 23 can be edited without interrupting
execution of program 15.
