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IMPORTANT! Throughout the welding process, the gas pre-flow and post-flow time is con-
trolled by the power source. Therefore, the "Gas test" signal does not need to be set during
the welding process.
Touch sensing TIG-KD connection box:
IMPORTANT! If a remote control is directly connected to the power source, the "Touch
sensing" function will be disabled.
The "Touch sensing" signal can be used to indicate that the tungsten electrode has made
contact with the workpiece (short-circuit between workpiece and electrode).
If the "Touch sensing" signal is set, the power source switches to "TouchSensing" mode.
There will be a low voltage on the tungsten electrode (current limited to a low value).
The fact that a short-circuit has occurred is transmitted to the robot control via the current
flow signal (see the "Digital output signals" chapter).
No welding can take place while the “Touch sensing” signal is set. If the robot control sets
the "Touch sensing" signal during a welding operation, welding is stopped. Position detec-
tion can be carried out.
Wire retract on/off
(WR on/off)
TIG-KD connection box:
Connection option direct to the KD 7000:
"Wire retract on" is LOW active
- 24 V not present: the wire is automatically retracted at the end of welding.
"Wire retract off" is HIGH active
- 24V is required for wire retraction to be automatically disabled.
"Wire retract on/off" is different to the "Wire retract" signal, which instantly enables wire re-
traction irrespective of the end of welding.
Job recall (Job
mode)
TIG-KD connection box:
If the "Job recall" signal is set, the power source switches to "Job mode" providing the "Job
memory" option has been installed.
Plug X3/pin 21 24 V
Plug X3/pin 27 GND
Plug X3/pin 22 24 V (connection box)
Plug X3/pin 27 GND
Plug X2/pin 21 24 V
Plug X2/pin 27 GND
Plug X3/pin 23 24 V
Plug X3/pin 27 GND
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