YASKAWA YRC1000 Operator's Manual page 20

1 Spot Welding Application Using an Air Gun
1.3 Teaching
Specifies the operation mode of the second gun at two-gun con-
trol. Specifies the open status before and after welding in the case
of double stroke.
Do not set when only one gun is used.
Setting data is the same as shown in the table in (2).
(6) WTM=X
Specifies the number of the welding conditions set to the second
welder at two-gun control.
Do not set when only one gun is used.
(7) ATT=X
Starts execution of SPOT X second(s) before reaching the move
instruction immediately before it. However, it is necessary to
specify "NWAIT" to the move instruction immediately before the
SPOT instruction. By omitting this item, the SPOT instruction is
executed as usual after reaching the move instruction.
 Operation Procedure
1. Move the cursor to the line before the place where the SPOT
instruction is to be registered.
2. Press [./SPOT] or [INSTRUCTION LIST].
– When [./SPOT] is pressed, the "SPOT" instruction appears in the
input buffer line.
– When [INSTRUCTION LIST] is pressed, the instruction list dialog
appears. Select {SPOT} from the list.
3. Add items and modify the number data.
4. Press [ADD], then press [ENTER].
– The SPOT instruction is registered.
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