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Practical answers on setting up, using and looking after hand remotes, foot pedals and torch controls for TIG welding machines.
On many machines, yes. Plugging the remote in is often not enough: the machine may need to be told to take its current control from the remote, either with a front-panel setting, a menu option or by pressing the pedal for a few seconds. Some machines detect the remote automatically.If the pedal does nothing, check the machine's manual for its remote or pedal setting before suspecting a fault. Also confirm that the plug and socket match and that your machine supports a remote at all, because not every machine does. Always follow the instructions for your own machine and remote.
With a foot pedal you hold the pedal down to weld and release it to stop, which matches the 2T (press to start, release to stop) trigger logic. 4T is a latching mode where you press and release the trigger to start and press and release again to stop, so the arc keeps running with no hand or foot held down. That does not suit a pedal that has to stay pressed.Most machine makers therefore tell you to set 2T when using a pedal. Some machines handle this automatically or have their own behaviour, so check the manual for your machine and remote.
That is normal. The current you set on the machine acts as the ceiling, and the pedal or hand control chooses a point between the machine's minimum current and that ceiling. Full travel gives the set value and partial travel gives less. The set current is therefore only reached when the control is at its maximum.If you cannot get enough heat, raise the maximum current on the machine rather than hoping the pedal will exceed it, and check any limit knob or setting on the remote itself. If you reach full pedal travel too early or too late, the maximum may be set too low or too high for the job.
A basic torch switch only tells the machine to start and stop the arc. A remote current control, such as a pedal, hand remote or a control in the torch handle, also sends a variable signal that sets the current between the minimum and your maximum. They usually use different wiring and connectors, so a plain switch cannot give current control.Designs with the on/off switch and current control in the handle are often preferred to foot controls. Whether a given control works with your machine depends on the machine's socket and wiring, so check the manual and data plate.
