Safety Manual - Tuv-fs.com
Safety Manual - Tuv-fs.com Safety Manual - Tuv-fs.com
2.1 Overview of ProSafe-RSThis section explains the overview of ProSafe-RS.• Overview of ProSafe-RS 2-2ProSafe-RS is a safety system consisting of a safety controller, SCS, and an engineering andmaintenance PC, SENG. The minimum configuration includes one SCS and one SENG.ProSafe-RSCENTUMSENGSCSEngineering •MaintenanceHISENGControl busAlarmInter-SCS safetycommunicationSCS link transmissionsafety communicationAlarmAlarmFCSSCSSCSGUID-0138923A-F02C-4ED9-9058-DD6B65CB348C-default-pdf.pdfFigure 2.1-1 Example of system configurationAn SCS in which both CPU and I/O modules are in single configuration can be used for applicationsthat meet the requirements of SIL 3 of the IEC 61508. To increase the system availability,CPU modules and/or I/O modules can be duplexed (dual-redundant).Inter-SCS safety communication and SCS link transmission safety communication allow asafety loop that meets the requirements of SIL 3 to be built between different SCSs connectedvia the control bus.The ProSafe-RS can be integrated seamlessly into a CENTUM VP or CS 3000 (hereafter, referredto as "CENTUM") system connected on the same control bus. This allows operators tomonitor the SCSs through the HIS.• Safety applicationsProSafe-RS is primarily intended to be used for the following safety applications. The use ofProSafe-RS conforming to the standards for each application is also certified by TÜV.For the details of the requirements, refer to each standard.• ESD (Emergency Shutdown System) / PSD (Process Shutdown System)• F&G (Fire and Gas detection System: EN 54, NFPA 72)• BMS (Burner Management System: EN 298, NFPA 85, EN 50156)IM 32Q01S10-31E2nd Edition : Dec.28,2012-00
2.2 Hardware configurationThis section explains the hardware structure.• Safety requirements and system availabilityAn SCS in which both CPU and I/O modules are in single configuration can be used for applicationsthat meet the SIL 3 requirements. For the models and revisions of each module, referto our Website (http://www.yokogawa.com/)To increase the availability, CPU modules and/or I/O modules can be duplexed (dual-redundant).When a fault is detected in one module in a dual-redundant configuration, the othermodule takes over control to continue operation.• SCS hardware• SCS basic componentsThe basic components of the SCS hardware include the following.• Safety control unit• CPU module• Power supply module (dual-redundant)• ESB BUS coupler module (dual-redundant)• Control bus interface (dual-redundant)• Node unit• Power supply module (dual-redundant)• ESB bus interface module (dual-redundant)• I/O modulesThe following table lists the I/O modules used for the ProSafe-RS system.Use safety I/O modules for safety loops.Table 2.2-1 Safety I/O module listDigital Input Module (24 V DC)Digital Output Module (24 V DC)Digital Output Module (48 V DC)Safety I/O moduleDigital Output Module (100-120 V AC)Analog Input Module (4-20 mA)Analog Input Module (1-5 V/1-10 V)Analog Input Module (TC/mV)Analog Input Module (RTD)Analog Output Module (4-20 mA) 2-3Table 2.2-2 Interference free I/O module listInterference free I/O moduleSerial Communication Module (RS-232C)Serial Communication Module (RS-422/RS-485)IM 32Q01S10-31E2nd Edition : Dec.28,2012-00
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2.2 Hardware configurationThis section explains the hardware structure.• <strong>Safety</strong> requirements and system availabilityAn SCS in which both CPU and I/O modules are in single configuration can be used for applicationsthat meet the SIL 3 requirements. For the models and revisions of each module, referto our Website (http://www.yokogawa.<strong>com</strong>/)To increase the availability, CPU modules and/or I/O modules can be duplexed (dual-redundant).When a fault is detected in one module in a dual-redundant configuration, the othermodule takes over control to continue operation.• SCS hardware• SCS basic <strong>com</strong>ponentsThe basic <strong>com</strong>ponents of the SCS hardware include the following.• <strong>Safety</strong> control unit• CPU module• Power supply module (dual-redundant)• ESB BUS coupler module (dual-redundant)• Control bus interface (dual-redundant)• Node unit• Power supply module (dual-redundant)• ESB bus interface module (dual-redundant)• I/O modulesThe following table lists the I/O modules used for the ProSafe-RS system.Use safety I/O modules for safety loops.Table 2.2-1 <strong>Safety</strong> I/O module listDigital Input Module (24 V DC)Digital Output Module (24 V DC)Digital Output Module (48 V DC)<strong>Safety</strong> I/O moduleDigital Output Module (100-120 V AC)Analog Input Module (4-20 mA)Analog Input Module (1-5 V/1-10 V)Analog Input Module (TC/mV)Analog Input Module (RTD)Analog Output Module (4-20 mA) 2-3Table 2.2-2 Interference free I/O module listInterference free I/O moduleSerial Communication Module (RS-232C)Serial Communication Module (RS-422/RS-485)IM 32Q01S10-31E2nd Edition : Dec.28,2012-00
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