4.2.11Robot Failure (Output)

(1)Function

The signal outputs to the external device that a problem, such as a servo error and a program error, occurs with the robot.

(2)Terminal number

No. 3 of connector CN10.

(3)Usage

The signal is used to light the robot failure indicator lamp of an external operating panel.

The signal is used to help the PLC clear an error in response to a ROBOT FAILURE signal.

(4)ON conditions

As shown below, the signal will be turned ON under the following conditions.

When an error, such as a servo error, a program error and undefined program, occurs at the start of the program and during execution of the program.

When an error occurs during execution of the program in internal

operation by the operating panel or the teach pendant or in external operation by the PLC.

ƒWhen an error, such as undefined program, occurs at the start of the program only in external operation.

Caution: The signal will not be output when an error, such as a program input error occurs in manual operation, except when a servo error occurs in manual operation. For further information, see "ERROR CODE TABLES."

(5)OFF conditions

As shown below, the signal will be turned OFF under the following conditions.

• When a CLEAR ROBOT FAILURE command is input from the external

device and the existing error is cleared.

‚ When the existing error is cleared by operating the Cancel key of the operating panel or the teach pendant.

Program number, parity error, or an undefined program number at

external start.

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The robot errors during automatic operation (both internal operation and

external operation).

Robot failure

When CLEAR ROBOT FAILURE and OPERATION PREPARATION START signals are input.

When the Cancel key of the operating panel or the teach pendant is

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Robot Failure Output

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