Muting Sequence Error Indication; Interlock Sequence Error Indication - Omron F3SG-SR Series Manual

F3SG-SR/PG

Muting Sequence Error Indication

The following table is applied only when the muting function is being enabled.
SEQ indicator
Blinking: Once
Blinking: Twice
Blinking: Four times
Blinking: Five times
Blinking: Six times
Blinking: Seven times
* Factory default setting

Interlock Sequence Error Indication

The following table is applied only when the pre-reset function is being enabled.
SEQ indicator
Blinking: Once
Blinking: Twice
Blinking: Three times
100
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.
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 being blocked or INTERLOCK State.
Check the condition of the F3SG-SR.
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 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.
The F3SG-SR 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 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 entered the MUTING state but before a workpiece blocked
the F3SG-SR.
• Check that the workpiece still remains.
• Check that the speed of the workpiece is too slow.
The F3SG-SR entered the MUTING state, but muting may have then been released while a workpiece passes
through the F3SG-SR.
• 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 with the size
of workpieces taken into account. (Using four muting sensors)
Muting may have been released with muting input A and B remained ON after a workpiece passed through the
F3SG-SR.
• Check that the workpiece still remains.
• Check that the speed of the workpiece is too slow.
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.
• Check that if the interval between workpieces are too narrow.
The reset or pre-reset switch may have been pressed before the F3SG-SR receives light.
Check the wiring of the reset and pre-reset signals.
The F3SG-SR 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 and the wiring of the pre-reset signal.
After the pre-reset switch was pressed, the pre-reset or reset switch may have been pressed before the F3SG-
SR is blocked.
Check the installation environment of the F3SG-SR.
After the pre-reset switch was pressed and the F3SG-SR 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 to the press of the reset
switch may have exceeded the allowable time.
Check the installation environment of the F3SG-SR as well as pre-reset and reset switches.
The number of blocks of the F3SG-SR 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.
Cause and measures
Cause and measures