MAWA-300B
6. Timing Chart
6-4
(4)
Touch Start (when the fine weld mode is set)
Touch start head unit MH-109TA
Footswitch
Input: 1ST (9pin)
Footswitch
Input: 2ND (10pin)
Servo head
Start point
Moving
Weld point (main welding)
operation
Middle point
Weld point (initial current)
Initial current start signal
Output: ST1 (= H-ST1)
Main welding start signal
Output: ST2 (= H-ST2)
Operation ready signal
Output: READY (= H-READY)
Gas output start signal
Output: GAS
PULSETIG welding power supply MAWA-300B
(Option I/O for head)
Initial current start signal
Input: H-ST1 (= ST1)
Main welding start signal
Input: H-ST2 (= ST2)
Head ready signal
Input: H-READY (= READY) *1
Gas start signal
Input: GAS
1～200ms settable
Head up start signal
Output: H-HEAD UP
Operation ready signal
Output: M-READY (= READY) *2
End signal
Output: H-END (= END)
PULSETIG welding power supply MAWA-300B
(Welding power supply I/O)
Operation ready signal
User output: READY *2
Processing time of welding result
Gas output
After-flow
* Arc discharge
Welding current output
FST WEL
Initial current Main welding
1～200ms settable
End signal
Output: END (= H-END)
Mode supplying the main welding when the head moves to
the main welding position from the initial current position
and the electrode touch sensor is switched to OFF from
ON
*1 H-READY is the READY signal for the head controller.
*2 M-READY is the READY signal for
MAWA-300B
. (Refer to “05. READY” in “2.(3)-3-2. User output terminals.”