CHAPTER 3: OPERATING INSTRUCTIONS
PHASEMASTER™ 6 DIRECT ENERGY WELDING CONTROL
990-083
3-7
The status of the Schedule Protection Feature is indicated by one of the following:
S
P
O
F
F
S
P
O
n
The status of the Line Voltage Compensation Feature is indicated by one of the following:
L
C
O
F
F
L
C
O
n
Schedule Protection Feature
Weld Schedules 1 through 7 can be protected from unauthorized or inadvertent changes by switching the PM6's
Schedule Protection to ON. When Schedule Protection is switched to ON, Schedule 0 is the only schedule which
can be modified. When Schedule Protection is switched to OFF, any schedule can be modified and saved to
permanent memory
.
Refer to Change Schedule Protection, below.
Line Voltage Compensation Feature
When Line Voltage Compensation is switched to ON, the PM6 will automatically increase the %CURRENT by 1
for each 1%
decrease
in Line Voltage. It will automatically decrease the %CURRENT by 1 for each 1%
increase
in Line Voltage.
The limitations for Line Voltage Compensation are:
a It will not compensate for more than a ±13% change in Line Voltage from the rated nominal (115, 208, 230 or
460 volts); or
b The %CURRENT can only be increased to 99% or reduced to 20%.
