Instruction Manual
ITEM TE700
TECNA
S.p.A.
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CHAPTER 1 –
TE700 WELDING CONTROL UNIT DESCRIPTION
The TE700
is a microprocessor-based welding control unit for resistance welders equipped
with inverter technology. The task of the welding control unit is to manage the components of
the welder, specifically the IGBT power unit that adjusts the welding current.
The TE700 is a particularly versatile control unit since it can be adapted to different types of
welders. In addition to the spot and projection welders, it may also be installed on seam
welders and work with constant current, FIX, constant power, constant voltage, constant
energy adjustment and in dynamic mode. The number of the inputs and outputs may be
increased to better adapt the welding control unit to automatic machines.
The control unit can manage up to max 4 different welding transformers.
It is possible to store up to 300 different welding programs, 255 of which are recalled directly
from an external device. An alphanumeric identifier may be associated with each program to
simplify its identification. Each program comprises several programmable parameters that
describe the work cycle. In addition to the plain 4-stage welding cycle, the control unit allows
the running of welding processes with pre-welding current, post-welding current, slope and
pulses.