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www.us-
tech.com The material matters in material handling
December, 2017 HARTING’s Miss M8ty — Big Data vs. Bottlenecks By Matthias Domberg, Global Product Manager, HARTING E
thernet communication is no longer taking place only be- tween the top levels of a com-
pany and field distributors. In- creased performance and continuous miniaturization are driving new con- nector systems that can expand networks both upwards and downwards. There is no more unchart-
ed territory on the digital world map. In the near future, every- thing will be communicating. Servers, internal company net- works, individual workstation PCs, network nodes, switches, machine modules, tools, and even products, will be in com- munication using RFID. Minia- turized ports, such as Miss M8ty, are making this possible. At the same time, field
clients are continuing to shrink in size, while being required to provide ever-higher data trans- fer rates. In order to keep pace with the rapid changes in tech- nology, HARTING has launched a new M8 D-coded connector. Named “Miss M8ty,” the connector is de- signed for a range of applications from the cloud to sensors.
Ever Smaller It’s easy to see the impact that
miniaturization has had on the field of electronics. Computers that used to fill entire rooms now fit in the palms of our hands. Mobile phones no longer weigh pounds, but ounces. This trend of “ever smaller” can be found in every area of electronics. This is apparent in industrial
automation, where camera systems, sensors, switches, I/O boxes, and de- centralized industrial PCs are all shrinking. While the size of the de- vices is continually reduced, they still have to satisfy the increased specifications of digitalization and also generate a significantly larger amount of data than in the past. Traditionally, bus systems have
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been used to enable device communi- cations at the top field level. This re- quired translating the field-level sig- nals into control-level Ethernet pro- tocols and vice versa. It is now possi- ble to cut out this step and connect new, miniaturized field clients di- rectly by Ethernet. This results in higher data transfer rates, which re- quires modified connector systems. Until now, there have only been
two suitable IP67-protected connec- tor options for data transfer avail- able. These include an RJ45 in an en- closure or an M12 pin connector. De- spite being relatively small, these connectors are now too large for many applications. For example, some industrial cameras used for identification and positioning have gotten so tiny that the power and data connectors take up most of the space in the application’s enclosure.
A New Solution M8 connectors are used in many
applications at the field level, at least
HARTING’s D-coded M8 connector is 30 percent smaller than M12 connectors.
with 100 Mb Ethernet. To further save space, the new M8 connector supports Power over Ethernet (PoE) and can feed field clients with power and data simultaneously. On the circuit board, the new
M8 connector is about 30 percent smaller than previous M12 solutions. If a few of these M8 ports are com- bined on an I/O box, the space reduc- tion is significant. On the device side, users can
choose between two flange sockets with heights of 0.4 or 0.5 in. (9 or 13 mm). This allows other connectors of different heights to be used.
for signal forwarding. HARTING’s new D-coded M8 connector has a durable metal enclosure with contin- uous shielding and 0.03 in. (0.8 mm) diameter contacts. These contacts enable end devices to be supplied
Shielded D-coded M8 connector. At first, the M8 connector will
have the familiar threading used by pin connectors. HARTING plans to add a push-pull locking mechanism, like that used on its M12 products, in the not-too-distant future. This solu- tion offers easy access when connec- tors are arranged next to each other within a confined space. The cable components of con-
nector systems must also be modi- fied. HARTING plans to release its own ad hoc field assembly connector — a displacement termination brand- ed HARAX.
Continued on page 34
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