Electricity + Control June 2015

CONTROL SYSTEMS + AUTOMATION

ROUND UP

Expandable compact safety controller

RET Automation Controls has introduced an expandable program- mable safety controller featuring small footprint and Boolean logic for high efficiency and flexibility developed by RET’s Safety Partner Banner Engineering. The new XS26-2 Controller monitors numerous input devices including e-stop buttons, rope pulls, enabling devices, protective safety stops, interlocked guards or gates, optical sensors, two-hand controls, and safety mats. A wide variety of options and configurations allows users to purchase only the capabilities they need, with ability to add on in the future.The base controller already offers 26 inputs and two dual safety outputs, allowing users to connect safety devices to a single controller instead of multiple relay modules. Eight of its 26 inputs can be configured as outputs for efficient terminal utilisation. The base controller can handle up to eight optional expansion modules to monitor up to 128 I/O devices. It is appropriate for medium and large assembly machines and lines, both manual and automated. Free software included with the controller provides an intuitive, The new SafetyBridge I/O modules from Phoenix Contact expand the network-independent SafetyBridge system in terms of flexibility, functionality, and application areas.The newmodules include a safe input module with added inputs, as well as a new logic module with extensive functional upgrades. The logic module can now communicate with up to 16 remote safe I/O modules. Together with the input modules featuring 16 safe inputs each, a SafetyBridge island can encompass up to 256 safe inputs. Up to 31 such islands can be operated from a standard control unit.These systems are able to exchange safety signals with each other. SafetyBridge technology is therefore fully suitable to being installed in large-scale and modularly structured machines and systems. The modules and the safety logic are very easy to set up using the Safeconf software. There are 14 different safe function modules in total, ranging from a simple Emergency Stop through to various muting blocks.

graphical programming environment for easy implementation. Ease of use features include real-time live display feedback and intuitive functional diagram configuration. Its compact DIN rail housing, only 45 mm wide x 110 mm tall, conserves control panel space.The controller is certified to Safety Category 4, Performance Level e. Enquiries: RET Automation Controls. Email brandon.topham@retautomation.com

New I/O modules include safe input

The safety solution is independent from the network and the control units, which makes it highly flexible when it comes to integrating functional safety into machines and systems. The safe modules, mixed with non-safety Inline I/Os, can be distributed across the network below a range of different standard control units. Enquiries: Kevin Preston kevinp@phoenixcontact.co.za

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