Amada S-2200CA, Operation Manual

Page: 181 / 210

APPENDIX C: SYSTEM TIMING
IS-2200CA/4500CA INVERTER POWER SUPPLY
990-412 C-13
Retraction Function
This function can output the retraction valve signal while the retraction signal is input. Since
the electrode opening can be temporarily extended during welding, the direction of workpiece
can be easily changed. However, the retraction valve signal cannot be turned ON/OFF during
welding sequence.
T2
RC SQZ CP SQD
HO
U
U
CO1
CO2
D WE2
U
D WE1
WE2 D
T1
RETRCT SOL1/2 (out )
Va lve output
END (out )
We ld ing sequence
T1 : T ime set by [DELAY START SET ]
RETRACT ION 1/2 ( in )
1ST/2ND STAGE ( in )
T2 : Du rat ion o f END output s igna l
CO1 WE2 CO2 WE3 HOLD
b
c
d
e
DELAY T IME
i
g
h
OFF
SQD SQZ
a
RC CP WD WE1
f
k
j
We ld ing sequence
D isp lacement
WD : Work detect t ime
RC : Res istance precheck t ime
CP : Res istance judgment t ime
a: Work detection When the work detection is set on the DISPLACEMENT screen, the
workpiece detection is done after the end of SQZ. When ± 00.00mm
is set, the work detection is not done.