Fronius CMT 4000 Advanced Operating Instructions & Spare Parts

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Example:
- MIG/MAG welding process... e.g. use of a water-cooled welding torch: C-C = AUT
- TIG welding process... e.g. use of a gas-cooled welding torch: C-C = OFF
NOTE! Parameter C-C can be set differently for MIG/MAG welding and TIG weld-
ing.
C-t
Cooling time – time from when the flow watchdog is triggered until the "no | H2O" service
code is output. For example, if there are air bubbles in the cooling system, the cooling unit
will not cut out until the end of this pre-set time.
Unit s
Setting range 5 - 25
Factory setting 10
NOTE! Every time the power source is switched on, the cooling unit carries out a
test run for 180 seconds.
Stc
Wire-stick control
Unit -
Setting range OFF, ON
Factory setting OFF
The parameters for the wire-stick function (Stc) are available when a robot interface or
field bus coupler for robot control is connected to the LocalNet.
The wire-stick control function (Stc) is described in the "Robot welding" section.
Ito
Ignition time-out - Length of wire that is fed before the safety cut-out is triggered
Unit mm in.
Setting range OFF or 5 - 100 OFF or 0.20 - 3.94
Factory setting OFF
NOTE! The "Ignition time-out" function (ito) is a safety function. The length of wire
that is fed before the safety cut-out trips may differ from the pre-set wire length,
particularly when the wire is being fed at fast wire feed speeds.
The “Ignition time-out” function (ito) is explained in the “Special functions and options”
section.
Arc
Arc - Arc break watchdog
Unit s
Setting range OFF (arc break watchdog is deactivated);
0.01 - 2 (arc break watchdog is activated)
Factory setting OFF
The “Arc break watchdog” function (Arc) is explained in the “Special functions and op-
tions” section.
FCO
Feeder control - Wire-feed unit cut-out (wire end sensor option)
Unit -
Setting range OFF/ON/noE
Factory setting OFF

Fronius CMT 4000 Advanced Specifications

General

Brand	Fronius
Model	CMT 4000 Advanced
Category	AC Power Distribution
Language	English