F39-LSGA datasheet(102/109 Pages) OMRON

102 / 109 page

Common to F3SG-SR and F3SG-PG

102

Muting Sequence Error Indication

The following table is applied only when the muting function is being enabled.

* Factory default setting

Interlock Sequence Error Indication

The following table is applied only when the pre-reset function is being enabled.

SEQ indicator

Cause and measures

Blinking: Once

Power supply may have been turned ON with muting input A or B being ON.

Check the condition of the muting sensors and the F3SG-SR/PG.

Muting input B may have been turned ON before muting input A was turned ON.

Check the condition of the muting sensors.

Muting input A and B may have been turned ON at the same time.

• Check the arrangement of the muting sensors.

• Check if the wiring of muting input A and B is short-circuited.

Either muting input A or B may have been turned ON with the F3SG-SR/PG being blocked or INTERLOCK

State.

Check the condition of the F3SG-SR/PG.

Blinking: Twice

Muting input B may have been turned ON within T1min (= 0.1 s *) after muting input A was turned ON.

• Check that if the muting sensors are installed too close each other.

• Check that if the speed of the workpiece is too fast.

It may have taken T1max (= 4 s *) or longer for muting input B to be turned ON after muting input A was turned

ON.

• Check that if the muting sensors are installed too far each other.

• Check that if the speed of the workpiece is too slow.

The F3SG-SR/PG may have been blocked after muting input A was turned ON but before muting input B was

turned ON.

Check the condition of the F3SG-SR/PG.

Blinking: Four times

The F3SG-SR/PG may have been blocked within 0.08 s after muting input A and B were normally turned ON.

• Check that if the muting sensor and the F3SG-SR/PG are installed too close each other.

• Check that if the speed of the workpiece is too fast.

Muting may have been released after the F3SG-SR/PG entered the MUTING state but before a workpiece

blocked the F3SG-SR/PG.

• Check that the workpiece still remains.

• Check that the speed of the workpiece is too slow.

Blinking: Five times

The F3SG-SR/PG entered the MUTING state, but muting may have then been released while a workpiece

passes through the F3SG-SR/PG.

• Check that the workpiece still remains.

• Check that if the speed of the workpiece is too slow.

• Check that the muting sensors have been installed upstream and downstream of the F3SG-SR/PG with the

size of workpieces taken into account. (Using four muting sensors)

Blinking: Six times

Muting may have been released with muting input A and B remained ON after a workpiece passed through the

F3SG-SR/PG.

• Check that the workpiece still remains.

• Check that the speed of the workpiece is too slow.

Blinking: Seven times

The next muting sequence may have started after muting was released but before the initial muting condition

was established.

• Check that if a next workpiece has not entered before the current workpiece passes through the F3SG-SR/

PG.

• Check that if the interval between workpieces are too narrow.

SEQ indicator

Cause and measures

Blinking: Once

The reset or pre-reset switch may have been pressed before the F3SG-SR/PG receives light.

Check the wiring of the reset and pre-reset signals.

The F3SG-SR/PG may have been blocked or the pre-reset switch may have been pressed before the pre-reset

switch is pressed.

Check the status of the F3SG-SR/PG and the wiring of the pre-reset signal.

Blinking: Twice

After the pre-reset switch was pressed, the pre-reset or reset switch may have been pressed before the F3SG-

SR/PG is blocked.

Check the installation environment of the F3SG-SR/PG.

Blinking: Three times

After the pre-reset switch was pressed and the F3SG-SR/PG was blocked, the pre-reset switch may have been

pressed before the reset switch is pressed.

Check the wiring of the pre-reset signal.

After the pre-reset switch was pressed, a time period from the block of the F3SG-SR/PG to the press of the

reset switch may have exceeded the allowable time.

Check the installation environment of the F3SG-SR/PG as well as pre-reset and reset switches.

The number of blocks of the F3SG-SR/PG may have exceeded the allowable value after the pre-reset switch

was pressed and before the reset switch is pressed.

Check the installation environment of the F3SG-SR/PG.

F39-LSGA Datasheet(PDF) 102 Page - Omron Electronics LLC

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