Description of Units and Circuit Boards
8 - 94
8.29.1 ARC welding
Logical number I/O Name / Function
20010 EXTERNAL START
Functions the same as the [START] button in the programming pen-
dant. Only the rising edge of the signal is valid. It starts robot opera-
tion (playback). This signal is invalid if external start is prohibited from
the playback condition display.
20022 WORK PROHIBITED (Arc Generation Prohibited)
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.
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).
20026 WEAVING PROHIBITED
Weaving is prohibited while this signal is ON. Use this signal to check
taught steps and movements without performing the weaving opera-
tion.
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.
30010 RUNNING
This signal signifies that the job is running. (Signifies that the job is
running, system status is waiting reserved start, or test run is run-
ning.) This signal status is the same status as [START] in the pro-
gramming pendant.
30011 SERVO IS ON
This signal signifies that the SERVO power is turned ON, internal
processing such as current position creation is complete, and the
system is able to receive the START command. This signal turns
OFF when the SERVO power supply turns OFF. It can be used for
DX200 status diagnosis for an external start.
30012 TOP OF MASTER JOB
This signal signifies that the execution position is the top of the mas-
ter job. This signal can be used to confirm that the master job has
been called
1
.
1. This signal is not output during operation.
30013 ALARM/ERROR OCCURRED
This signal signifies that an alarm or an error occurred. If a major er-
ror occurs, this signal remains ON until the main power is turned OFF.
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