The safety requirements for mining machines are high; a long and complex process ensues before the machine is ready for use. To meet all the necessary safety specifications, the technology “behind it” must be programmed, tested and then installed on the machine. As Pilz was a long-standing and experienced development partner, Sandvik also had them on board for the Sandvik MB670-1 Bolter Miner, which is used in longwall coal mining. The ambitious goal of the Austrian mining machine manufacturer is to guarantee reliable explosion protection, among other things. The solution: today, the automation system PSS 4000 provides safe nozzle monitoring SMS III on the Bolter Miner – and the safe small controller PNOZmulti 2 performs safety functions such as emergency stop. http://www.pilz.com
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