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F3S-B
The F3S-B is a TYPE 2 Electro-sensitive protective equipment, intended to be used as or with the safety
related part of control system to category 2,1, or B as defined in the European standard EN954-1.
Do not use the F3S-B in category 3 or 4 systems.
Do not use the F3S-B on machines that cannot be stopped by electrical control in case of an emergency.
Install protective structures around the machine so that you must pass through the detection zone to
reach a hazardous part of the machine (see "2-1 Installation Conditions").
Install the F3S-B so that some part of the operator's body remains in the detection zone at all times
when the operator works in a hazardous area (see "2-1 Installation Conditions").
Failure to do so may result in serious injury.
A qualified person, as determined by local regulations, must confirm that installation, inspection and
maintenance are implemented correctly.
Always maintain the safety distance between the F3S-B and a hazardous part of a machines (see "2-1
Installation Conditions").
Do not install the F3S-B in a location affected by wall reflections (see "2-1 Installation Conditions").
Do not short the output lines to the +24 V line. Doing so will cause the output to be always ON, creating
a hazardous situation.
Do not connect the F3S-B to a power supply with voltage higher than 24 VDC + 20 %.
Do not connect the F3S-B to an AC power supply.
Be sure to conduct inspections regularly (see "6 Maintenance").
The F3S-B cannot be used in applications where hazardous projectiles may exit the protected zone.
Do not disassemble, repair or modify the F3S-B.
Do not use the F3S-B in flammable or explosive environments.
DC power supply units must satisfy all of the conditions below so that the F3S-B can comply with the
applicable standards IEC 61496-1 and UL 508.
•
The power supply voltage must be within rating (24 VDC ± 20 %).
•
The power supply is connected only to the F3S-B and to the devices related to the electro-sensitive
protective function of the F3S-B, such as a safety controller and muting sensors, and it has enough
rated current for all the devices. The power supply is not connected to other devices or machines.
•
The power supply uses double or reinforced insulation between the primary and secondary circuits
•
The power supply has automatic reset characteristics (voltage drop) to protect overcurrent.
•
The power supply maintains an output holding time of at least 20 ms.
•
FG (frame ground terminal) must be connected to PE (protective earth) when using a commercially
available switching regulator.
•
The power supply must have output characteristics required for the power source for Class 2 Circuit
or Limited Voltage/Current Circuit as defined in UL508 (see "2-3-1 Remark").
•
The power supply must conform to regulatory requirements and standards, regarding EMC and elec-
trical equipment safety, of the country where the F3S-B is installed and where machinery will be op-
erated, for example: The EMC Directive (industrial environment) and the Low Voltage Directive in
EU.
Do not use the F3S-B in a retroreflective configuration. Otherwise detection may fail.
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