NETWORKING & COMMUNICATION FEATURE
MAKING THE switch to PROFINET
PROFINET technology enables
effective and efficient installation concepts to be incorporated into complex machine networks. Alexander Hornauer from
I
n modern production networks, machines and plants need to be
connected to one another. To allow for high automation levels and short lead times, processes can be aligned down to the smallest detail. To meet application requirements, the established, proven and readily available PROFINET technology enables effective and efficient installation concepts to be incorporated into complex machine networks.
PROFINET BENEFITS The benefits of PROFINET are obvious: • The number of subscribers for the entire network is unlimited. With a PROFINET configuration, one control unit alone can accommodate 256 subscribers.
• PROFINET allows IT extensions to be easily integrated into the topology (which was not possible with PROFIBUS). Incorporating IT with PROFINET allows uncomplicated networking up to the office level.
• For PROFIBUS, all data has the same priority. With PROFINET, important information such as alarms or diagnostic data can be prioritised.
• In PROFINET installations, addressing is done by simply allocating a name to the project (not via a DIP switch or a telegram).
• The topology becomes more flexible – in PROFINET installations, the use of switches makes star, tree and ring configurations possible, increasing flexibility and reducing the wiring time and effort.
• PROFIBUS DP programs can be simply applied in PROFINET installations. The proven programs do not have to be rewritten and tested, saving time and effort. Of further benefit, PROFINET/PROFIsafe
makes it possible to integrate safety components into installation concepts to protect both man and machine, and yet still enable efficient operation despite the highest safety levels. Furthermore, PROFINET/PROFIenergy supports energy management in production facilities. It controls energy consumption when
Being a compact and lightweight
multiple-protocol fieldbus module, SOLID67 can switch over to PROFINET instantly. It is equipped with the newest PROFINET version 2.3. The modules make eight IO-Link ports available directly on the machine, while making it easy to integrate traditional IOs into the system. Also offering flexibility, the ports of the
Impact67 fieldbus module are designed with adjustable parameters. Depending on what the demand is, these can be used as inputs or outputs. The same port can even be used as an IO-Link master. The modules offer the maximum PROFINET performance and functions of version 2.3. Robust and compact, the MVK Metal fieldbus module is suitable for the
/ DESIGNSOLUTIONS DESIGN SOLUTIONS | SEPTEMBER 2018 19
Powerful switches from Murrelektronik play an important central role in PROFINET installations. In addition to linear configurations, they also enable star, tree and ring configurations
certain systems are not being used for production, whether for scheduled or unscheduled downtimes.
POWERFUL SOLUTIONS Powerful devices for first-class PROFINET networks that accommodate plug & play concepts are available from Murrelektronik. The IODD On-Board technology also makes it particularly easy and convenient to integrate IO-Link devices. Offering compact and modular
installation, the Cube system makes it easy to switch over to PROFINET. A flexible solution, this has a large variety of modules on the sensor/actuator level which makes it easy to switch out the bus nodes – and that’s all it takes to integrate the topology into the PROFINET system. The entire installation below the bus nodes remains unchanged.
SOLID67 can switch over to PROFINET instantly
Murrelektronik looks into its benefits and explains how the company’s powerful devices make the switch to PROFINET easy
roughest industrial environments. Many customers, in fact, use them in applications where they are exposed to welding sparks. The modules feature all PROFINET functions and offer maximum network load reliability (Netload Test Class III). The MVK Metal Safety module supports safe and reliable inputs and outputs up to a safety level of SIL 3 or PL e. In addition, the inputs and outputs support real-time applications because they correspond to Conformance Class C. In time-critical applications, such
as tool changers, the fast startup functionality on the Impact67 and MVK Metal modules has proven to be very useful because it can restart production within a very short period of time. To connect PROFINET subscribers,
Murrelektronik offers powerful PROFINET switches, both for the control cabinet as well as the field. Pre-wired cordsets tested and engineered to the highest standards complete our product portfolio. When it comes to single wire cross-sections and shielding, the cables and connectors meet the PROFINET wiring guidelines and make reliable data transmission possible – they are the life line of each and every PROFINET installation.
Murrelektronik UK T: 0161 728 3133
www.murrelektronik.co.uk
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