YASKAWA DX100 Operator's Manual page 414

DX100
9.8.2 Gun Change
9.8.2.1 Gun Change Instruction
9.8.2.2 Signal Status to Execute a GUNCHG Instruction
9 Spot Welding Application Using a Motor Gun
9.8 Other Functions Using a Motor Gun
This section explains the gun change function.
Remove or mount a gun with the GUNCHG (gun change) instruction.
<Example>
GUNCHG GUN#(1) PICK
A B
A. Gun No.
B. Designation of mounting or removing a gun
When "PICK (gun mounted)" is selected, the power supply of the gun
motor is turned ON.
When "PLACE (gun removed)" is selected, the power supply of the gun
motor is turned OFF.
The signals must be in the status shown in the following table when
executing a GUNCHG instruction.
Signal Name Input/
Output
Gun Input
Identification (3 bits)
Signal
Gun Input
Connection
(PICK)
Confirmation
Signal
Gun Input
Disconnection
(PLACE)
Confirmation
Signal
Gun Output
Connection
(PICK) Signal
1 The signal must agree with the gun number as shown in the following example.
<When the gun identification signal (Start) is IN10, and the gun identifi-
cation signal (End) is IN12:>
Gun No. IN10
GUN# (1) ON
GUN# (2) OFF
GUN# (3) ON
GUN# (4) OFF
GUN# (5) ON
GUN# (6) OFF
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9-35
Explanation
A binary signal to identify the gun
number.
The signal to confirm that the gun is
connected.
Normally, a chucking confirmation signal
of ATC is allocated.
The signal to confirm that the gun is
disconnected.
Normally, an unchucking confirmation
signal of ATC is allocated.
The signal to connect the gun.
Normally, a chucking signal of ATC is
allocated. (CHUCK = OFF, UNCHUCK =
ON)
IN11
OFF
ON
ON
OFF
OFF
ON
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Signal
Status
Agree
with Gun
1)
No.
ON
OFF
OFF
IN12
OFF
OFF
OFF
ON
ON
ON