Miyachi Unitek ISA Series, Operator'S Manual

Page: 64 / 122

APPENDIX A: TECHNICAL SPECIFICATIONS
ISA-4001CR INVERTER POWER SUPPLY
A-2 990-364
ITEM DESCRIPTION
Output Voltage
480 VAC
575 VAC
Single-phase 679V (Peak value at input voltage of 480VAC)
Single-phase 813V (Peak value at input voltage of 575VAC)
Max. Output
Current
(Peak value) (Duty Cycle: 12%) 4000 A
Max Capacity
480 VAC
575 VAC
2715 kVA
3250 kVA
Rated Capacity
480 VAC
575 VAC
1350 kVA
1600 kVA
Average max. duty
cycle
4000A Duty cycle: 12%
3200A Duty cycle: 20%
2320A Duty cycle: 50%
1400A Duty cycle: 100%
Output Frequency
1kHz factory setting (800/600Hz selectable)
Control Method
Select 1 method per
schedule
Primary constant-current effective value control:
Secondary constant-current effective value control:
Primary constant-current peak value control:
Constant-phase control (Non constant-current):
Number of
Schedules
64
Additional
Connections
10 non-weld control I/O rated at 5amps
Milliseconds Mode Cycle Mode Timer Settings
(Schedule Screen)
Settable for 64
schedules
SQD /Squeeze delay time
SQZ
/ Squeeze time
WE1
/Weld 1 time
UPSLOPE/ Upslope time
(Included in Weld 1 time)
COOL /Cool time
WE2 /Weld 2 time
DOWNSLOPE
/Downslope time
(Included in Weld 2 time)
HOLD
/Hold time
OFF
/Off time (set in 10ms)
(If set to 0ms,
REPEAT
function is not performed.)
0000-9999
0000-9999
000-600
000-400
000-999
000-600
000-400
000-999
0010-9990
000-999
000-999
00-30
00-20
00-99
00-30
00-20
00-99
00-99
Pulsation Setting
(
PULSATION
)
Setting range: 1 - 9