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Trio has launched a range of modular DIN-rail mounted CAN I/O expansion modules that allow for flexible I/O expansion capability with reduced machine wiring for OEMs using Trio motion controllers.

The modules feature switchable TrioCAN I/O and CANopen DS401 protocols to allow use across its Motion Co-ordinator motion and machine control families as well as providing a 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 plus 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 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 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 26mm wide x 85mm deep x 130mm high, the 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, which 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 EN61000-6-4: 2007 for industrial noise emissions.

When used with Trio’s MC464 Motion Co-ordinator and across the full Trio Motion Co-ordinator 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 programmed with a choice of Trio’s Triobasic programming language, or G-code, or with IEC61131-3 on the advanced MC464 Motion Co-ordinator motion and machine control system.

For those wishing to use the CANopen DS401 protocol, Trio provides documentation and technical support to ensure trouble-free system integration.

The P319 is a combined 16-channel digital I/O module that replaces Trio’s previous P316 CAN expansion module with a functionally identical I/O rating that allows drop-in product replacement but in a smaller footprint design and at less cost.

The 16 bidirectional I/O points are rated at 16-24V with 2,500V isolation and output capacity at 250mA per channel with full over-current and temperature protection.

Power requirements are 24V at 1.5W.

The P318 CAN 16-input module and P317 CAN 16-output module share identical specifications to the bidirectional module but offer 16 full input or output points.

Up to 256 digital I/O points may be configured on the bus for digital modules.

Trio’s P326 CAN analogue I/O module combines eight +/-10V inputs and four +/-10V outputs, both having 1kV isolation from the CAN bus.

The 12-bit resolution will allow use in the majority of analogue I/O control applications and up to four modules in Trio mode (32 input channels and 16 output channels) and 32 in CANopen mode (256 input channels and 128 output channels) may be configured over a distance of up to 100m in each CAN network.

The P327 CAN relay module provides eight outputs configured as four switchover contacts and four normally-open contacts rated for 0.5A at 125VAC and 1A at 24VDC.

Up to 16 modules in Trio mode and 32 in CANopen mode provide a maximum relay output count of up to 256 channels.

Trio Motion Technology

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