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New monitors for safety equipment on AS-i from ifm |
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Flexible simple safety As of the original companies developing AS-interface ifm electronic has always offered a wide range of products for this system which has been further extended recently with the launch of the latest versions of ifm’s Safety Monitor. With the implementation of the new Machinery Directive, safety is at the forefont of designers' minds. So while it has been advantageous to add safety devices to AS-interface for some time simply by including the safe slaves on the AS-i network and monitoring the safe function with a safety monitor, the new products take this further. Including safety on the network adds tremendous flexibility as the user can add, for example, an emergency stop button wherever it may be needed without complex wiring. The flexibility of such systems is enhanced with the new single-channel AC031S and dual-channel AC032S Safety Monitors, because decentralised safe outputs are now included on the network. Safety systems now become more cost-efficient than ever. Size limitations are a thing of the past: a feature of the new Safety Monitors is an internal safety slave making it possible now to simply and safely pass a safe signal across two AS-i networks. The new Safety Monitors are fully compatible with the most recent ASIMON 3.0 software for increased functionality such as simple integration of key systems. The AS-i Safety Monitor is an emergency stop control device as defined by BS EN 60204-1, STOP 0 / STOP 1, BS IEC 61508, SIL 3, BS EN ISO 13849 PL e and BS EN 954-1, category 4, for the monitoring of AS-i bus connected emergency stop command devices, safety light guards and door locks. It monitors the safety-related AS-i sensors assigned to it by the asimon configuration software. If an emergency stop button is activated or if a fault occurs, the AS-i safety monitor in its protective mode can switch off the system within a response time of 40 miliseconds at most. According to the model chosen, either one or two dependent or independent release circuits with parameterizable external device monitoring are available. For further information on AS-i Safety Monitors
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