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9 Interface Signals
9.1 Connector CON2 for Manipulator (17 Pins)
No.
Pin No.
Corresponding to
Connector
Meaning Function Direction* Signal Form
1
P-R
(CON2)
Welding current
detection signal
output
Detects that the welder current flows. W→R Photocoupler output
(Current detection at ON)
2 S-T
(CON2)
Pulse
synchronization
signal output
Detects the pulse current period at pulse
welding.
W→R Photocoupler output
(Pulse period at ON)
3 K-L
(CON2)
Welding start/stop
command
Commands welding start/stop. R→W Contact input (Start at
closed)
4 A-B
(CON2)
Pulse current
reference
Pulse current setting bias
R→W Analog voltage of 0 to 10
V
5 C-B
(CON2)
Base current
reference
Base current setting bias
R→W Analog voltage of 0 to 10
V
∗ R indicates the manipulator side while W indicates the welder side.
Note: Connector model is as follows:
・Welder side : MS3102A20-29S (made by Japan Aviation Electronics Industry, Ltd.)
・Manipulator side : MS3106B20-29P (made by Japan Aviation Electronics Industry, Ltd.)
9.2 Connector CON3 for Manipulator (11 Pins)
No.
Pin No.
Corresponding to
Connector
Meaning Function Direction* Signal Form
1 J-K
(CON3)
Wire feeding speed
reference
Wire feeding speed setting bias R→W Analog voltage of 0 to 14
V
2 E-F
(CON3)
Wire forward
feeding signal
Commands weld wire forward
feeding/stop.
R→W Contact input (Forward
feeding at closed)
3 G-H
(CON3)
Wire reverse
feeding signal
Commands weld wire reverse
feeding/stop.
R→W Contact input (Reverse
feeding at closed)
4 A-B (negative side)
(CON3)
Welding voltage
output signal
Outputs welding voltage.
Rectifies and outputs at AC.
W→R Analog voltage of 0 to
10 V (Insulate from other
circuits.)
∗ R indicates the manipulator side while W indicates the welder side.
Note: Connector model is as follows:
Welder side: MS3102A24-20S (made by Japan Aviation Electronics Industry, Ltd.)
Manipulator side: MS3106B24-20P (made by Japan Aviation Electronics Industry, Ltd.)
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