I/O expansion modules with selectable Can protocols

Paul Boughton
Trio Motion Technology is launching a new range of modular DIN-rail mounted Can I/O expansion modules that feature switchable Triocan I/O and Canopen DS401 protocols to allow use across the company's Motion Coordinator motion and machine control families as well as providing as a competitively priced decentralised I/O extension system for third-party Canopen devices.
The range includes separate and combined 16-point digital input and output modules, an eight-input, four-output analogue module, and an eight-channel relay output module – all with standard industrial signal levels and fully certified EMC emission and immunity ratings. The new modules may be freely mixed to a maximum of 32 Can addresses for the P317, P318, P319 and P327 all at 500kHz in Trio Mode or up to 1MHz in Canopen Mode. This allows generous and flexible I/O expansion capability with considerably reduced machine wiring for OEMs and systems integrators using Trio motion controllers or Canopen device users requiring standalone digital or analogue system expansion for signal processing, actuators, feedback signal and sensor monitoring.
Supplied in compact ABS enclosures, each measuring only 26mm wide x 85mm deep x 130mm high, the new range is designed for efficient panel installation and convenient monitoring, with all modules featuring individual channel status LEDs and removable front- and top-mounted screw terminal blocks for power supply and I/O interfacing. For straightforward set-up, module address and Can protocol selection is via front panel Dip switches conveniently located behind a small window with a card slot that is aligned with the status LEDs and may be marked as a visual channel reference. The range of Can modules have been EMC tested against and passed the EN 61000-6-2 : 2005 for industrial noise immunity and EN 61000-6-4 : 2007 for industrial noise emissions.
When used with Trio's flagship MC464 Motion Coordinator and across the full Trio Motion Coordinator range where a Triocan I/O communication card is fitted, the Motion Perfect 2 programming environment automatically configures all I/O channels over the complete Can bus with plug and play simplicity. The integrated controller I/O and external Can I/O is seamlessly programmed with a choice of Trio's Triobasic programming language, or G-code, or with IEC 61131-3 on the advanced MC464 Motion Coordinator motion and machine control system. For those wishing to use the Canopen DS401 protocol, Trio provides comprehensive documentation and technical support to ensure trouble-free system integration.
For more information, visit www.triomotion.com

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