Mclennan -Latest absolute encoders employ highly-robust inductive scanning principle

23-01-2015 | Mclennan | Subs & Systems

The recently announced EtherCAT versions of Leine & Linde's 600 and 900
Series absolute encoders are available from its UK representative Mclennan.

Both ranges feature the highly-robust inductive scanning principle developed
by the Swedish encoder innovator, and are supplied with a very wide choice
of mechanical and electrical interfacing options as exceptionally durable
industrial encoders that suit demanding position feedback in extreme
environments with incredibly high resistance to vibration and shock.

The addition of EtherCAT interfacing for these 58 mm and 100 mm diameter
encoders brings an extremely stable, reliable and fast communication
protocol that is increasingly popular for controlled automation technology
applications as broad as packaging machinery to chemical processing and from
oil & gas production to wind power. With an adaptable network topology and a
flexible number of nodes in the system, EtherCAT is an easy to configure
Ethernet system that can be set up for a cycle time of a few tenths of a
microsecond which is perfect for precision synchronisation.

Furthermore, the encoders include powerful electronics that in addition to
the position information can deliver speed and acceleration values with
great precision within each data cycle. This allows the PLC or motion
controller direct feedback, requiring less processing burden - for faster
control systems. The encoder interface also supports CANopen over EtherCAT
according to CiA 301 and the device profile range CiA 406.

With solid and hollow shaft variants available across both ranges the 600
series encoder offers a multi-turn position resolution to 31 bits whilst the
heavy duty 900 series offers up to 35 bits. Both ranges offer a wide choice
of alternative interfaces such as Profibus, DeviceNet, SSI and EnDat 2,2.

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