SAFETY MANUAL - Tuv-fs.com

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SAFETY MANUAL similar to the simple textual PLC’s language. Industrial Processor Input Module I/O High performance processor for use in non safety-related applications which can be used in a simplex or dual-redundant configuration. Interface that converts input signals from external devices into signals that the control system can utilise. Input/Output conditioning circuits (as distinct from the central processing). I/O Driver Essential software to allow the IEC1131 TOOLSET to configure and program unique types of TMR system I/O interfaces. LD Ladder Diagram. An IEC1131 language composed of contact symbols representing logical equations and simple actions. The main function of the ladder diagram is to control outputs based on input conditions. MMI Man Machine Interface. The operator’s window to monitoring and keys, knobs, switches, Graphical User Interface of the Operator Workstation, etc. for making adjustments in the process. Modbus An industry standard communications protocol developed by Modicon. Used to communicate with external devices such as distributed control systems (DCSs) or operator interfaces. M-oo-N m-out-of-n. See Voting System Module An electronic (generally pluggable) subsystem. MORSE Output Module Peer-to-Peer Communications PCM Protocol PSU Method for Object Reuse in Safety-critical Environments. Programming and configuration software tool for the Fastflex range of Remote I/O. Interface that converts output signals from the control system into signals that can actuate external devices. Allows two or more TMR Controllers to communicate with each other. PCI Mezzanine Card A set of rules governing data flow in a communication system. The protocol governs such matters as the way a message is addressed and routed, how often it is sent, how to recover from transmission errors and how much information is to be sent. Power Supply Unit. Doc No P8094 Issue 14 September 2003 Page xii
SAFETY MANUAL RAM Real Time Redundancy RISC Random Access Memory. A volatile (unless battery backed) form of read/write memory. The time to access different locations is the same. It may be static (SRAM - data held in a flip- flop) or dynamic (DRAM – data held as a capacitive charge). A method of data processing in which the data is acted upon immediately instead of being accumulated and processed in batches. The employment of two or more devices, each performing the same function, in order to improve reliability. Reduced Instruction Set Computer Doc No P8094 Issue 14 September 2003 Page xiii
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SAFETY MANUAL Where the interaction
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SAFETY MANUAL In addition to Normal
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SAFETY MANUAL 1ºF/min Table 8 - Cl
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SAFETY MANUAL 2. Alternatively, the
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SAFETY MANUAL 4. CHECKLISTS This se
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SAFETY MANUAL Description Reference
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SAFETY MANUAL Description Reference
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SAFETY MANUAL 5. PREVIOUSLY ASSESSE
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