Siemen Fail-safe Sensors SIMATIC FS

Everything at a Glance

Fail-safe Sensors SIMATIC FS

Maximum process safety must be guaranteed when protecting both man and machine in an industrial environment. This is done not only to prevent damages, but also to achieve maximum system availability and cost-effectiveness. A clear case for our optical fail-safe sensors, which provide safe and reliable all-around protection for personnel, machines and systems. And naturally, this is all part of Safety Integrated, our end-to-end safety concept.

Highlights

Light barriers, light curtains and light grids to safeguard hazardous areas without contact
Safe all-around protection for personnel and systems in stationary and mobile applications
Wear-free and maintenance-free technology for maximum availability
Enables open machine designs without mechanical safety barriers
Part of the complete Safety Integrated program by Siemens

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Siemen Photoelectric Sensors

Photoelectric Proximity Switches SIMATIC PXO
Fast and Accurate Sensing with Light and Laser


Pure optical acumen – this characterizes our extremely precise, fast and pin-point accurate optical proximity switches. Superior configuration convenience via teach-in or potentiometer and the easiest operational handling are added benefits. With the most varied shapes – from cubical, cylindrical to miniature designs – and models, e.g. reflective light scanners with or without background suppression, reflective light or thru-beam sensors, you can confidently master any task with a transmission range up to 50 m.

Highlights
Extremely accurate and fast
High performance even across large distances
Small, compact housing
Reliable measurement even in the smallest spaces with Mini-Sensor (K20/K21)
Color recognition on the basis of light LED technology (PXO560)
Degree of protection up to IP68
Settable sensing ranges
Simple commissioning (TeachIn)
UL/CSA approvals
ATEX approval for the application in the explosion-hazard area zone 2/22 (PXO240)

Diffuse sensor (energetic sensor)
The light from the emitter falls on an object and is reflected in a diffuse pattern. Part of this reflected light reaches the receiver located in the same device. If the intensity of the received light is sufficient, the output is switched. The sensing range depends on the size and color of the object involved as well as its surface texture. The sensing range can be varied within a wide range by means of the built-in potentiometer. The energetic sensor can therefore also be used to detect different colors.

Diffuse sensor with background suppression
Diffuse sensors with background suppression can detect objects up to a specific sensing range. All objects beyond this range are suppressed. The focus level can be adjusted. The background is suppressed due to the geometric constellation between the emitter and the receiver.

Retro-reflective sensors
The light from the emitter diode is focused through a lens and directed via a polarization filter to a reflector (principle of a 3-way mirror). Part of the reflected light passes through another polarization filter and reaches the receiver. The filters are selected and aligned in such a way that only the light reflected from the reflector reaches the receiver and not the light reflected from other objects within the beam range.

Thru-beam sensors
Thru-beam sensors comprise an emitter and a receiver. The emitter is aligned in such a way that the greatest possible amount of pulsed light from the emitter diode reaches the receiver. The receiver evaluates the incoming light to clearly separate it from the ambient light and other light sources.

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Siemen Photoelectric, Inductive & Capacitive Sensors

Sharpening All Senses

Proximity Switches SIMATIC PX

Automation solutions are becoming progressively more comprehensive and processes increasingly complex. Complete control of all processes is becoming all the more important. If you want to keep a close watch on things, all available senses must be used optimally. Our proximity switches offer you the best prerequisites for recording, counting, measuring or positioning. Because no matter what application or industry, our complete program always has the right sense for each situation.

Highlights

Contactless recording of objects, even under harsh conditions
Large, complete product range: sonar, photoelectric, inductive and capacitive
International models (e.g. UL/CSA) for worldwide application
High degree of protection up to IP69K
Sensors with IO-Link, fully integrated into SIMATIC

Sonar Proximity Switches SIMATIC PX

SSonar proximity switches can be used as non-contact proximity switches in many fields of automation. These devices can be used whenever distances through air have to be evaluated, because they not only detect objects, but can also output and evaluate the absolute distance between the Sonar proximity switch and the object. Changing environmental conditions (e.g. temperature variations) are compensated during evaluation of the measurement.

Photoelectric Proximity Switches SIMATIC PXO

The photoelectric proximity switches react to changes in the quantity of light received. The light beam emitted from the emitter diode is interrupted or reflected by the object to be detected. Depending on the type of BERO, the interruption or reflection of the light beam is evaluated.

Inductive Proximity Switches SIMATIC PXI

Inductive proximity switches are the low-cost solution for non-contact detection of metal objects. Inductive proximity switches are extremely reliable, heavy duty and virtually indestructible. And thanks to wear-free operation as well as resistance to temperature, noise, light or water, they have a markedly long service life.

Capacitive Proximity Switches SIMATIC PXC

Capacitive proximity switches are also non-contact sensors for measuring conductive and non-conductive materials in solid, powder or liquid state.

Incorporated in TIA

IO-Link is a concept for the intelligent integration of sensors in automation systems. Just like all products and systems incorporated in Totally Integrated Automation, IO-Link devices also feature the same characteristics with respect to communications capability, data management and configuration/programming. This provides advantages in every aspect, beyond significant savings of engineering time and effort. For the first time, plant-wide communication down to the sensor level can be implemented not just extremely easily, but highly profitably as well.

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