Plc safety

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Program-control systems > Plc systems > Plc safety

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• G05B 2219/14001 Detect direction, sign of change of signal
• G05B 2219/14002 Independent processor, coprocessor monitors plc
• G05B 2219/14003 Pc, personal computer monitors contact data of several plc's
• G05B 2219/14004 On error I-O control state is substituted by actual state to continue
• G05B 2219/14005 Alarm
• G05B 2219/14006 Safety, monitoring in general
• G05B 2219/14007 Plc as standalone for safety control of machine
• G05B 2219/14008 Pc monitors plc
• G05B 2219/14009 Manual overide control, digital or analog, between plc and machine
• G05B 2219/14011 Explosion free control, intrinsically safe
• G05B 2219/14012 Safety integrity level, safety integrated systems, SIL, SIS
• G05B 2219/14013 IN, dual plc worker coworker, switch, OUT persistency
• G05B 2219/14014 Redundant processors and I-O
• G05B 2219/14015 Dual plc's, processors and dual I-O
• G05B 2219/14016 Triple plc's, processors and dual I-O, triple modular redundant
• G05B 2219/14017 Triple plc's, processors and triple I-O
• G05B 2219/14018 IN, plc and comparator, error detector, backup, standby plc, switch, update OUT
• G05B 2219/14019 Dual IN, crosscoupled relay, dual AND, dual OUT
• G05B 2219/14021 IN, direct link parallel to plc, AND, OUT
• G05B 2219/14022 Dual IN, dual plc with dual OUT comparator, dual AND, dual OUT
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