MD Series
10. Specifications
10-1
10.
Specifications
(1) Specifications
(Items in can be set for each schedule.)
Power supply
Single-phase, 100V AC-10% to 120V AC+10% or 200V AC-10% to
240V AC+10% (50/60Hz)
The voltage is cannot be selected. (Fixed on shipment.)
Control method
Switching control by transistor
The basic frequency is 125kHz, and the frequency is 1/integer of it.
Maximum is 125kHz (frequency is variable automatically).
Welding current
control
Constant-current
control method
Controls so that the welding current will be the
set current.
Constant-voltage
control method
Controls so that the voltage detected by the V
SENS cable attached between electrodes will
be the set voltage.
Combination control of
constant-current and
constant-voltage
The constant-voltage control method and the
constant-current-control method function
simultaneously, and priority is given to the
control method with the lower set value.
Timer setting
1-step weld sequence
a. Squeeze
: 0000–9999ms
b. Precheck weld
: 0.00–1.00ms
*1
c. Precheck judgment : 2ms (fixed)
*1
d. Upslope
: 0.00–9.99ms [00.0–99.9ms
*2
]
*3
e. Weld
: 0.00–9.99ms [00.0–99.9ms
*2
]
f. Downslope
: 0.00–9.99ms [00.0–99.9ms
*2
]
*3
g. Hold
: 000–999ms
2-step weld sequence
a. Squeeze
: 0000–9999ms
b. Precheck weld
: 0.00–1.00ms
*1
c. Precheck judgment : 2ms (fixed)
*1
d. Upslope 1
: 0.00–9.99ms [00.0–99.9ms
*2
]
*4
e. Weld 1
: 0.00–9.99ms [00.0–99.9ms
*2
]
f. Downslope 1
: 0.00–9.99ms [00.0–99.9ms
*2
]
*4
g. Cool
: 0.00–9.99ms [00.0–49.9ms
*2
]
h. Upslope 2
: 0.00–9.99ms [00.0–99.9ms
*2
]
*5
i. Weld 2
: 0.00–9.99ms [00.0–99.9ms
*2
]
j. Downslope 2
: 0.00–9.99ms [00.0–99.9ms
*2
]
*5
k. Hold
: 000–999ms
Set the total time of Weld 1, Cool and Weld 2 to 100ms or less.
*1
This item is not shown on the SCHEDULE screen. A dedicated setting screen is used for
setting. The set value is ignored when the precheck function is set to OFF.
*2
Time settings in [ ] are only for
MD-A8000B
.
*3
Included in weld time.
*4
Included in weld 1 time.
*5
Included in weld 2 time.
Summary of Contents for MD-A8000B-05 Series
Page 95: ......
