Posted to News on 29th Apr 2014, 12:24
Safety-rated rotary encoder from TR-Electronic with openSAFETY
The CD75M safety rotary encoder from TR-Electronic is an example of how safe drives can respond to external movements at very high speed more easily and cost efficiently than ever before. This encoder delivers safe position and speed values in openSAFETY format and can be directly connected to POWERLINK networks. It is available with SIL 3 / PLe certification and does not require external safety modules or any of their associated programming. The result? Safe monitoring of movement axes without time-consuming hardware setup.
TR-Electronic's CD75M is able to determine safe values for position and speed by cross-checking redundant pairs of scanning sensors and processors. These values are then output via the openSAFETY protocol. During configuration, parameters such as the differential and standstill windows, direction of rotation or integration time are set up directly over the safe configuration channels of openSAFETY.
Since POWERLINK uses the "black channel' principle, safe data can be bundled into openSAFETY packets and transferred over the same medium as the process data. The openSAFETY rotary encoder from TR-Electronic reduces overall complexity as well as hardware and wiring costs. In addition, innovative features such as automatic configuration of the direction of rotation or differential and standstill windows can be loaded over the network. The rotary encoder from TR-Electronic also provides preset electronic adjustment, which allows the current position value to be applied as the new actual value.
The use of a single communication medium means that it is easy for the user to access and implement every bit of safe and non-safe data in the application. This not only simplifies and maximises diagnostics with the CD75M, it also allows the use of innovative functions without requiring extra work. The rotary encoder from TR-Electronic featuring openSAFETY integration opens up entirely new safety concepts.
To learn more about the CD75M safety rotary encoder from TR-Electronic please go to www.tr-electronic.co.uk.
