
MAWA-300B
2. Installation and Connections
2-15
(2) -8. Connection with the torch head for touch start
In the following, connections to be made for a touch start will be described.
Make connections according to the following procedure. For the explanation and usage of the
touch start function, refer to “5. (6)-2. Touch start.”
Connection when the Torch drive type is set to “CYLINDER” (air type welding head)
The H-CY VLV output signals (25-pin D-Sub connector, 20: H-CY VLV, 21: H-CY VLV_COM, 23: EXT.
COM, 24: 0V, 25: 24V) of the option input/output connectors provided on the rear side of the
MAWA-300B
unit can be used. Wire the H-CY VLV output signals to the signal inputs to move up
and down the air type welding head.
Remarks
z
The maximum rating for H-CY VLV output signals is +24 V DC/70 mA or less.
Connection when the Torch drive type is set to “MOTOR” (touch start head unit (
MH-109TA
))
25
13
3
8
17
16
12
7
9
6
4
2
1
10
23
14
6
25
18
29
21
22
9
10
11
14
16
23
24
26
30
3
1
2
3
1
2
OFL-2YV-S3
P-1634A-CA(50)
S1634A(09)
CNCS-P-16-3-4.0
HDBB-25S(05)
NCS-163-AD-CH
GAS
H-ST1
H-COM
H-READY
H-END
H-RESET
M-READY
H-HEAD UP
H-STOP
H-STOP_COM
H-COM
H-OUT_COM
24V
H-ST2
H-ERROR
EXT.COM2
1ST
2ND
STOP_COM
STOP
H.UP
M-READY
RESET
END
ST1
O-COM
READY
GAS
ST2
ERROR
EXT.COM
Screw-type connector
NCS connector harness
MVVS 8-core 0.3
Cable
Connector
Case
OJIDEN
MISUMI
MISUMI
HIROSE
HIROSE
HDB-CTH(10)
Connector
Case
HIROSE
HIROSE
FUJI ELECTRIC WIRE
WHT
BLK
BLK1
BLK2
BLK
RED
GRN
YEL/GRN
Shield processing part
Footswich
MAWA-300B
MH-109TA
Connect between
MAWA-300B
and
MH-109TA
with the optional foot switch cable (SK-1187138).