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Chapter6 Glossary
F3SJ-E/B
User’s Manual
Appendix
Glossary
Term Description
A
Allowable delay time The allowable amount of time from when a state of the safety output changes until a state of the external
device monitoring input changes. The F3SJ-E/B enters lockout if this time is exceeded.
Auto reset When the power is turned ON and the F3SJ-B is blocked and then unblocked, the safety output
automatically turns ON.
Auxiliary output Basic type (basic system) gives inverted signal of safety output, and Basic type (muting system) gives
ON output at muting/override.
B
Basic system Basic system indicates the F3SJ-B with its default factory settings. The basic system provides basic
safety light curtain functions. Most functions can be used without performing additional configuration.
D Detection capability Minimum size of an object that can be detected in the protective height of the F3SJ-E/B.
E
Effective aperture angle
(EAA)
Range of angles for which the F3SJ-E/B can operate.
External device
monitoring
Function that detects malfunctions, such as welding, in external relays (or contactors) that control the
hazardous zone of a machine, by monitoring the operation of N.C. contacts.
External test Function that stops emission at any time to check that the safety output is being properly turned OFF.
I
Interlock Function that holds the safety outputs to OFF until safety is ensured and a reset input is applied.
Interlock reset Cancels the interlock state.
K Key cap for muting Connector that is attached to the end cap of an emitter or receiver to use muting function.
L
Lockout Function that holds safety output OFF when an error is detected by the F3SJ-E/B.
Lower beams Indicate beams on F3SJ-E/B's power supply end.
M
Manual reset When the F3SJ-B in the interlock mode is unblocked, the safety output is turned ON by applying a reset
input.
Maximum muting input
pulse duration
This is the maximum value for the waveform cracks allowed for muting input 1 and 2 when muting is in
effect.
Muting Function that temporarily disables the safety function of the F3SJ-B, keeping the safety output ON even
if beams are being blocked.
Muting error Occurs when muting input is not applied in the correct order. As long as the F3SJ-B is not interrupted,
safety output does not turn OFF and normal operation continues.
Muting input time limit
value (maximum)
This is the maximum value of the time difference between inputs of muting input 1 and 2.
Muting input time limit
value (minimum)
This is the minimum value of the time difference between inputs of muting input 1 and 2.
Muting sensor Input device, such as photoelectric sensor or proximity sensor, which sends a timing signal to start or
end the muting function.
Muting system This refers to the F3SJ-B when a key cap for muting is attached. The muting function and override
function can be used under this system.
Muting time limit This is the muting function continuation time. The muting function is cancelled if the muting state
continues for longer than this time limit under this system.
O
Output operation mode A state of signal sent from the safety output or auxiliary output.
Override Function that turns the safety output ON when the muting function is not working.
Override time limit The continuation time of the override function. The override state is cancelled if it continues for longer
than this time limit.
P
PELV Stands for Protected Extra Low Voltage.
A grounded circuit separated by double insulation or equivalent from hazardous voltage, and does not
generate voltage that exceeds ELV under normal conditions and under single-fault conditions. Normally,
protection for direct contact is required.
Primary sensor Name of the F3SJ-E/B connected nearest the power supply when series-connected.
R
Reset Releases the interlock state/lockout state.
Response time from ON
to OFF
Time period from when the F3SJ-E/B is blocked until the safety output turns from ON to OFF.
Restart interlock F3SJ-B enters interlock state when it is blocked.
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