SECTION 4 OPERATION
40
4.5 PROGRAM EDIT MODE
Program Edit Mode allows program and transient definition and editing.
4.5.1 PROGRAM EDITING
To start the Program Edit Mode, from any meter display press the PROGRAM key, program number,
ENTER key then EDIT key. The cursor will move to FORM.
Pressing STORE at any time during editing will cause the program to be stored. The V/I METER
display will become active. If the presently active program is edited, the display will indicate Manual
Mode when the revised Program is STORED.
Pressing EXECUTE at any time during editing will cause the program to be stored and executed.
The V/I METER display will become active.
Pressing EDIT again while in the Program Edit Mode will allow transients to be created and edited.
The TRANSIENT edit display will become active (4.5.2).
PROGRAM: #1 FORM=3 COUPLING=DIRECT
FREQ=60 Va=120 Vb=120 Vc=120
WFa=1 WFb=1 WFc=1
#SEGS=0 Ilim=50 PHb=120° PHc=240°
The following may be programmed:
FORM: Enter 1, 2, or 3 Phase output FORM.
FORM 1 enables single phase output. Only the 1Ф Output Terminal will become active. 1 Phase
loads must be connected between the 1Ф Terminal and the “N” (neutral) Terminal.
FORM 2 enables the high range Split/Single phase output. Only ФA and ФB Output Terminals will
become active and are 180° out of phase. Voltages are programmed fror the phase to phase
voltage. This may be used as split-phase and loaded between the ФA and ФB Output Terminals or
from either phase to “N” (neutral) at half voltage. For single-ended high range output, either of the
ФA and ФB Output Terminals can be referenced to earth ground (Neutral MUST be disconnected
from earth ground in this case).
FORM 3 enables 3 phase output and the Power Source is connected to the 3 Phase Output Relay.
ФA, ФB and ФC Output Terminals will become active. Loads may be connected either line-to-line
or line-to-neutral.
COUPLING: Select DIRECT or XFMR (transformer) coupled output by pressing the +/- key.
DIRECT connects the Power Amplifier directly to the Output.
XFMR connects the Power Amplifier to the Output Transformers and the Transformers are then
connected to the Output.
XFMR(N.NN): When COUPLING=XFMR is selected, you may enter a transformer ratio in the Program
values. There is a separate transformer ratio value that is set for the system, to reflect the
transformer hardware configuration that is currently connected (see UPC STATUS, (4.6.3.3)). Both
ratios must match before the program may be executed. Ratios above 1 are step-up and ratios
below 1 are step-down.
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