UC***-18GS series
Product Description
2020-11
9
2 Product Description
2.1 Use and Application
The UC***-18GS series ultrasonic sensors use ultrasonic pulses to detect objects. The sensor
emits ultrasound, which is reflected by the object and received again by the sensor. The mea-
sured sound propagation time is used to determine the distance to the object (pulse-echo prin-
ciple). Objects in the following forms can be detected: solid, granular, powder, or liquid. The
color and surface structure of the objects are irrelevant. Gases cannot be detected.
Typically, ultrasonic sensors are used in a wide range of applications including:
• Sag control on packaging and metal processing machines
• To measure diameter of roll material (e.g., film, paper, metal sheet)
• To detect fill levels in tanks and silos
• To avoid collisions with self-propelled or controlled machines
• Height control of booms for sprayers
• To detect containers on refuse collection vehicles
• To detect objects or to measure fill levels on conveyor belts
• To detect pallets on forklifts
• To monitor range on barrier systems
• To detect PCBs when feeding them to SMD placement machines
The standard cylindrical 18GS housing design can be programmed and adapted to various
applications. You can program boundaries, output modes, output types, and sound beam width
via the programming buttons on the sensor or via the convenient IO-Link or IrDa interfaces.
Convenient programming via the IO-Link or IrDa interfaces makes setting many other parame-
ters such as filter options, echo suppression, synchronization settings, etc. possible. You there-
fore have various channels and adjustment options available for programming that can be used
individually depending on your application.
Programming of the ultrasonic sensors via IO-Link is possible offline using IODD or DTM and
an FTD frame program. You can program it online via a PLC via IO-Link master and IODD. Pro-
gramming via the IrDA interface is possible using a DTM and an FTD frame program.
The IO-Link versions with switching output enable IO-Link communication in accordance with
the IO-Link standard. The 18GS versions with analog output can be parameterized via their IO-
Link interface.
The advantages of the UC***-18GS ultrasonic sensors are:
• Proven cylindrical housing design
• Advanced setting options via programming button on the device
• IO-Link 1.1 interface for service and process data, and for parameterization
• Excellent immunity to background noise such as compressed air
• Can be self-synchronized to avoid mutual interference of several adjacently mounted
ultrasonic sensors
• Programmable echo suppression
What Is IO-Link?
IO-Link enables seamless communication and digital data transfer from the control panel level
down to the sensor level. The intelligent sensors can be used to their full potential with IO-Link,
paving the way for Industry 4.0 in automation technology. The internationally standardized
interface provides value at all stages, from plant design and installation through to operation
and servicing. This value is achieved by sustained cost reductions and efficiency improve-
ments.
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