From SICK, the single product itself is SIL2, PLd certified new generation of safe motion monitoring system - DFS60S incremental encoder, enriching SICK's product line in industrial safety systems.
With reliable electrical wiring and perfect mechanical features, the simple, flexible and flexible application features make the DFS60S Pro a versatile safety motion control sensor for fixed and mobile safety applications.
Combined with SICK's Flexi Soft and motion monitoring module FX3-MOC, it does not require any third-party interface to achieve PL d (EN ISO 13849-1), Safety Integrity Level 2 (SIL2) (IEC 61508) Or SILCL2 (EN 62061).
As a reliable source of safety, the speed and direction data provided by the DFS60S Pro is used to meet the drive safety requirements of IEC 61508-5-2.
The complexity of mobile and fixed application requirements and safety technology assessments requires that safety functions require integrated drivers to use certified functional safety encoders for monitoring, such as the DFS60S.
The DFS60S is undoubtedly the perfect answer to the market development direction of AGV trolleys for more complex navigation needs. The "free-navigation" vehicle features two separate drive systems that allow them to rotate, for example, in situ and provide reliable drive monitoring with an encoder.
If the encoder used is not securely certified, the two independent encoders will not be able to detect each other like the usual AGV function of in-situ rotation.
However, if the DFS60S Pro encoder is used, it means that there is no need for mutual detection between the two drives.
Encoders with safety function certification have typical advantages for motion mechanisms driven by asynchronous motors because they do not require redundant encoders to achieve the SIL2 or PLd rating of the entire system.
In the case where a redundant encoder is required, the safety requirement is SIL3 or PLe, but this is relatively rare in practical situations.
The safety certification passed by the DFS60S is due to its compatibility with standards and safety control functions. On the other hand, the simple and reliable safety of the car manufacturer and the machine manufacturer ensures low-cost requirements.
Encoder code for evaluating functional safety is widely accepted and can be used directly for additional calculations. The incremental encoder DFS60S for functional safety technology can be called the mainstream of the future. It is suitable for drive monitoring systems with safety certification requirements and machines in long life cycles, especially the sensors. Technical characteristics.
Safety certification, durability and high availabilitySICK's DFS60S is a certified safety drive monitoring incremental encoder. Thanks to its high precision, superior compatibility and rugged housing, it is a very popular distance and speed safety sensor for system integrators and machine builders in mobile and stationary applications.
The IP67's degree of protection and its wide operating temperature range - 30 °C to + 100 °C, the other two superb features make it exceptionally durable: nickel alloy dial and ball bearing spacing.
Nickel-plated code discs are more reliable at the same resolution than glass encoder disks. The nickel-plated code discs are comparable in life to the plastic discs, and then the nickel discs provide higher resolution and higher thermal stability.
To minimize the effects of vibration on the encoder, the two ball bearings of the DFS60S add 30mm spacing, but still retain the 60mm market standard form factor.
This not only increases the service life of the ball bearings, but even at the highest operating speed of 9000 rpm, and the encoder provides unprecedented free vibration and optimum coaxiality, the accuracy of the speed values ​​is not affected by mechanical eccentricity and tolerances.
Highly integrated compatibilityThe outer casing and internal mechanical structure provide unparalleled strength and durability. The compatibility of the DFS60S integration is another significant feature.
The encoder is suitable for a wide voltage range from 4.5VDC to 32VDC, making it easy to integrate into almost all standard control systems on the market, the size of the petite 45mm, and its versatile cable outlet in a compact space. It can be taken out axially or in the radial direction.
Maximum safety of the mechanical interfaceThe DFS60S is designed to meet the two-channel certification standard and has established a number of safety standards for establishing mechanical connections.
An additional measure in the IEC 61800-5-2 "Adjustable Electric Drive System", the large mechanical interface can effectively prevent the occurrence of faults.
For the surface mounting or servo flange mounting of the solid shaft safety encoder, there are two types of mounting methods: optical axis (non-active) or keyway (active). Blind or through-hole type, through the buckle or keyway (active) to ensure maximum bite force.
Design consistently safe drive technologyWhether electrical or mechanical, the DFS60S is the best choice for a universal safety concept from sensor to controller to actuator.
As one of the technology and market leaders in industrial safety technology, SICK is a one-stop shop offering a range of Solutions in this area. Thanks to the rich security features of the FX3-MOC0 drive controller, these functions can be easily implemented.
The FX3-MOC0 has a variety of security features, including drive monitoring for mobile devices such as the AGV Unmanned Navigation Cart. With the safety functions of SSM (Safe Speed ​​Monitoring) and SLS (Safe Speed ​​Limit), the speed of the AGV can be reliably monitored by the DFS60S. SBC (Safe Brake) and SS1 (Safe Stop 1) or SS2 (Safe Stop 2) can control AGV. Safe parking.
The drive monitor can also be used in stationary robots. For example, in the setting or maintenance mode, the safety limit speed (SLS), with the help of the DFS60S, can control the mechanical deceleration operation to be in a safe state. SSM (Safety Speed ​​Monitoring) and SOS (Safety Control Stop) can be used exclusively for machines with mobile fences for safe monitoring of personnel entering and leaving the danger zone for maintenance. Fast and secure, the FX3-MOC0 works with the safety encoder to perform a safe stop function and prevent any accidental start-up.
When the machine is stopped, the mechanical fence can be opened and personnel can enter the danger zone. When a non-mechanical protection device is touched or a photo-protector is triggered, the drive monitor FX3-MOC0 will ensure that the machine enters a safe state such as Safe Speed ​​SS1/SS2, or SBC (Safe Brake) A.
SICK's DFS60S meets the high demand for drive function safety technologyAs a certified safety product, the safety monitors of the drive monitors FX3-MOC0 and SICK open a complete plug-and-play solution for mobile or stationary safety applications.
Machine builders and integrators benefit from safety design and safety audits while avoiding the risks of self-assessment of non-certified standard products and solutions.
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