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Chapter2 Muting
F3SG-SR
User’s Manual
System Operation and Functions
2-13-4-2. Installation Example of Position Detection Muting Mode
Shown below is an installation example of the Position Detection Muting mode.
This is an application that places a workpiece on a machine’s turntable surrounded by guard fence.
When hazardous part of the machine is on the opposite side of a human body, the safety function of
the F3SG-SR can be disabled so that an operator should be able to place a workpiece on the turntable.
1. Hazardous part of the machine is on the same side of a human body
The safety functions of the F3SG-SR is activated with the limit switch 1 being in OFF and the limit
switch 2 being ON.
2. Hazardous part of the machine is on the opposite side of a human body
Rotation of a robot arm sets the muting input A from OFF to ON. The safety function of the F3SG-SR is
enabled.
Under normal operation
Guard fence
F3SG-SR
24 V or 0 V
Worktable
Robot arm
table
OFF: To muting input A
ON: To muting input B
Limit switch1
(NO Contact)
Limit switch 2
(NC Contact)
F3SG-SR
Under normal operation
OFF -> ON: To muting input A
ON: To muting input B
Limit switch1
(NO Contact)
Limit switch 2
(NC Contact)
Guard fence
24 V
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