Safety Considerations Guide, Tricon v9.0 - Tuv-fs.com

Index 117Modbus master functions 25modelsafety life cycle 12modesoperating 41module alarmsAnalog Input 44Analog Output 44Digital Input 43Digital Output 43I/O 45Relay Output 45module diagnosticsAnalog Input 44Analog Output 44Digital Input 43Digital Output 43Relay Output 45modulesaccumulating status 75, 96safety-critical 24system-critical shutdown program for all55system-critical shutdown program forsome 60NNFPA 72 17NFPA 8501 17NFPA 8502 17Ooperating modesdual 41single 41TMR 41zero 41operating requirements 34operationalarm output 59, 64Output Module alarmsAnalog 44Digital 43Relay 45Output Module diagnosticsAnalog 44Digital 43Relay 45output operation alarms 64output parameters 58, 63output voter diagnosticsdisable 25OVDSee output voter diagnosticsoverridesmaintenance 32overrunscan 54overviewsafety 5Pparametersinput 62output 58partitioning processes 66Peer-to-Peer communication 25description of function blocks for 70, 96Peer-to-Peer function blocksdata transfer time 70, 96errors 71examples 72rules for correct usage 70, 96using with critical data 26permitted alarmsprogramming 68PFD avg for block valveequation for calculating 9PFD avg for sensorsequation for calculating 9PFD avg for systemequation for calculating 9points alarmsdisabled 68processespartitioning 66Tricon Safety Considerations Guide