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2 Theory of Operation
2 Theory of Operation
2-1 F3SS System Specifications
The F3SS is a long-range, single-beam infrared safety control designed for perimeter and access guarding. In-
terruption of the beam sends a stop signal to the guarded machine. A "redundant" microprocessor design com-
bined with extensive fault mode and effects analysis provides safe, control reliable operation.
A F3SS system consists of one emitter and one receiver. No interconnecting cables or separate control enclo-
sure are required. Maximum distance between emitter and receiver is 60 m(200 ft.).
2-1-1 Technical Specifications*
Operating range
Number of beams
Beam diameter
Minimum object resolution
Orientation angle
Light source (emission waveform) Infrared LED (880 nm)
Power supply voltage
Rise time after power ON
Current consumption
Operating mode
Control output
Protective circuit
Response time (ON-->OFF)
Ambient temperature
Ambient humidity
Resistance to vibration
Shock resistance
Protective structure
Connecting method
Weight (packaged)
Material
Accessories
Applicable standard
*1. ESPE(Electro-Sensitive Protective Equipment)
*2. AOPD(Active Opto-electronic Protective Devices)
*Specifications subject to change without notice.
2
0.3-60 m
1 (single beam)
31 mm
Opaque object, ø31 mm or more
Emitter and receiver: ±2.5
m (IEC61496-2).
24 VDC ±10%, ripple (p-p) 5% or less
Within 4 seconds
Emitter: 170 mA max.
Receiver: 800 mA max.
Either of the following modes is selectable by the select switch of the
receiver:
Auto start
Start interlock
Start/restart interlock
PNP transistor output x 2 outputs, load current 250 mA or less (resid-
ual voltage 1V or less) (excluding voltage drop due to cable exten-
sion), ON at light ON.
Output load is short-circuit protected, inverted power supply connec-
tion is protected.
35 ms or shorter
°
0-55
C at operation and storage (non-icing, non-condensing)
35-95% RH at operation and storage (non-condensing)
Malfunction and durability: 10-55 Hz, double amplitude 0.7 mm, X, Y
and Z-direction, 20 sweeps
Malfunction and durability: 100 m/s
IEC60529 IP65
Connect by terminal block on internal board.
2.5kg
Case
Aluminum
Cap
Aluminum
Mounting hardware, operating instructions, caps for unused conduits
IEC(EN)61496-1 TYPE4 ESPE *1
IEC61496-2 TYPE4 AOPD *2
2-1 F3SS System Specifications
°
maximum, at operating range longer than 3
2
, X, Y and Z-direction, 1000 times
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