YASKAWA DX100 Instructions Manual page 34

Standard I/O Signal
Assignment Table (PNP)
Table 4-1: Specific Input (Spot Welding) (Sheet 2 of 2)
Logical Input Name / Function
Number
20052 TRANSTHERMO ERROR
3)
Error signal is sent from the transformer in the gun to the robot. This signal is ON
normally (NC) and an alarm occurs when the signal is OFF. The servo power supply
remains ON.
20053 LOW AIR PRESSURE
3)
When air pressure is reduced and this input is turned ON, an alarm occurs. The servo
power supply remains ON.
20054 WELD COMPLETION
4)
This signal indicates that the Power Source completed welding without error. This
signal is used as a confirmation signal for welding instruction execution and manual
spot welding.
After this signal is input, the welding sequence is completed and the next step is
executed when confirmation limit switch is not provided.
4)
WELDING ERROR
This signal indicates an abnormal welding result or Power Source's error. Alarm
occurs and the manipulator stops if this signal is input during welding.
4)
STICK DETECTION
This signal indicates an abnormal welding result or Power Source's error. Alarm
occurs and the manipulator stops if this signal is input during welding.
4)
GUN FULL OPEN DETECTION
This signal indicates that the stroke of the double stroke gun is full open.
4)
GUN SHORT OPEN DETECTION
This signal is connected with a single gun open verification limit switch or a double
stroke gun short open verification limit switch to verify the gun open.
4)
GUN PRESSURE DETECTION
This signal indicates that a gun is in pressing status.
4)
TIP REPLACE COMPLETION
When this signal is input after tip replacement, the TIP REPLACE REQUEST signal
turns OFF, and the stored number of welding is cleared.
1 A master job is a job (program) which can be called by CALL MASTER JOB.
Other functions are the same as for normal jobs. Normally, the parent job, which manages the child jobs called
up immediately after the power is turned ON, is set as the master job.
2 See section 8.6 "Interference Area" in the " DX100 INSTRUCTIONS".
3 This signal can be set as "USE" or "NOT USE" by pseudo input signal "8202x". If "NOT USE" is selected, this
signal can be used as the universal I/O signal described in parentheses.
Pseudo Input
Signal 8202x
4 This signal can be allocated to any universal I/O signal at the I/O allocation display in operation condition.
4 Spot Welding
7 6 5 4 3 2 1 0
0 0 0 1 1 1 1 1
Timer Cooling Water Error Validating (or IN09)
Gun Cooling Water Error Validating (or IN10)
Transthermo Error Validating (or IN11)
Low Air Pressure Validating (or IN12)
Weld ON/OFF Validating (or OUT09)
4-6
158604-1CD
HW1480185
34 of 37