7.6 User I/O Signal Assignment
7-38
*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 man-
ages the child jobs called up immediately after the power is turned ON, is set as the
master job.
*2 See "9.7 Interference Area" of NX100 INSTRUCTIONS (Manual No: RE-CTO-A211).
System Input List NIO01 (Arc Welding)
Logical
Number
Input Name / Function
Logical
Number
Input Name / Function
20010 EXTERNAL START
Functions the same as the [START] button in
the programming pendant. Only the rising edge
of the signal is valid. It starts robot operation
(playback). This signal is invalid if external start
is prohibited from the playback condition dis-
play.
20022 WORK PROHIBITED (Arc Generation Prohib-
ited)
Arc generation is prohibited while this signal is
ON. Arc generation starts when this signal
turns OFF inside the arc-generation area. Use
this signal to confirm teaching.
20012 CALL MASTER JOB
Only the rising edge of the signal is valid. It
calls up the top of the robot program, that is the
top of the master job
*1
. This signal is invalid
during playback, during teach lock and when
play master or call is prohibited (set from the
playback operation condition display).
20023 WORK RESPONSE (Pseudo Arc ON
Response)
This signal is used as a pseudo signal in cases
that “Arc Generation Confirmation” signal is not
equipped on a welding power supply. Wire this
signal ON normally (short to OV).
20013 ALARM/ERROR RESET
After an alarm or error has occurred and the
cause been corrected, this signal resets the
alarm or error.
20026 WEAVING PROHIBITED
Weaving is prohibited while this signal is ON.
Use this signal to check taught steps and
movements without performing the weaving
operation.
20020 INTERFERENCE 1 ENTRANCE PROHIBITED
If the manipulator attempts to enter the cube
1
*2
area while this signal is ON, the manipula-
tor goes to wait status (with servo power ON).
During wait status, the manipulator operation
restarts if this signal turns OFF.
20027 SENSlNG PROHIBITED
Arc sensing is prohibited while this signal is
ON. Use this signal to check taught steps and
movements if an arc sensor is mounted.
20021 INTERFERENCE 2 ENTRANCE PROHIBITED
If the manipulator attempts to enter the cube
2
*2
area while this signal is ON, the manipula-
tor goes to wait status (with servo power ON).
During wait status, the manipulator operation
restarts if this signal turns OFF.
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