Business > Industrial Devices > Automation Controls Top > FA Sensors & Components > Sensors > Light Curtains / Safety Components > Compact Safety Light Curtain[Type4 PLe SIL3] SF4B-C
Compact, light weight design, and advanced functionality in one package
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UL
, CE
, CSA
, TUV
, Korean S Mark
, UKCA
Approved
UL, CSA : Certified by TÜV SÜD America Inc. (NRTL)
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※1 | The control category differs depending on the configuration and wiring of the external circuit. |
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The SF4B-C series is designed to fit onto an aluminum frame, maximizing the machinery opening area. It can even allow zero dead zone.
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The SF4B-C series features a proprietary double structure of a "plastic body" with a "metal inner frame" which lightens the weight while maintaining the durability. |
Despite its compact, plastic body, the SF4B-C series features a metal inner frame that increases toughness and also keeps its enclosure not to curve. |
Thanks to its plastic body, the SF4B-C series is 45 % lighter* than previous models with aluminum enclosures. * Comparing SF4B-H80<V2> with SF4B-H80CA-J05 |
The SF4B-C series is equipped with the large multi-purpose indicator at the center of the unit. The indicator shows the presence of the safety light curtain, helping to prevent unintentional beam interruption. The indicator can be used in a variety of applications such as a muting indicator and work indicator.
■Exceptional visibility with wide angle |
The SFB-HC handy-controller (optional) allows to perform muting control for certain beams. Since beam channels can be specified, so there is no need to install a guard to prevent intrusions. For example, according to the height of a sensing object, when muting control from the lowermost beam channel to the 10th beam channel is activated, the safety light curtain will detect any beam interruption at the 11th or higher beam channel as a human entry and stop the machinery. |
The SFB-HC handy-controller (optional) provides a fixed blanking function that prevents control output (OSSD) from turning off even if certain beam channels are
interrupted. This function is convenient for applications where an obstacle always interrupts certain beam channels. |
*The min. sensing object will change when the floating blanking function is used. |
The floating blanking function allows to disable up to three unspecified beam channels. Control output (OSSD) will not turn off as long as the number of interrupted beam channels is less than the set number of beam channels. |
By setting the auxiliary output switching function to off or on when light reception becomes unstable, the safety light curtain provides notification in the event of a reduction in the incident light intensity due to beam misalignment or dirt via auxiliary output (non-safety output) in addition to the incident light intensity indicator.
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Since a single model number can be switched between PNP and NPN input, fewer model numbers need to be registered.
The ELCA function reduces interference without an interference prevention line.
External devices (such as safety relays, etc.) can be directly connected to the handy-controller without any dedicated unit, simplifying installation, reducing costs, and helping to avoid various problems.
Beam-axis alignment indicators are indicated in 4 blocks, allowing to see at a glance where light is being received.
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