{"product_id":"rs-el56-yokogawa-safety-module-new-original-stock","title":"RS-EL56 Yokogawa Safety Module | New \u0026 Original Stock","description":"\u003cp\u003eThe \u003cstrong\u003eYokogawa RS-EL56\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eRS-EL56\u003c\/strong\u003e Safety Instrumented Module, operates as a dedicated hardware component for SIL3-certified safety control and high-performance signal processing within ProSafe-RS and CENTUM system platforms. This module provides direct physical\/electrical execution for critical safety interlocks, relay switching, and multi-protocol I\/O interfacing in demanding industrial control environments.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRS-EL56:\u003c\/strong\u003e Base model designation for the modular safety and I\/O platform.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelay Output Configuration:\u003c\/strong\u003e Supports 8 or 16-channel dry-contact switching at 24 V DC.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eI\/O \u0026amp; Communication Configuration:\u003c\/strong\u003e Supports diverse analog, digital, and pulse inputs with high-precision sampling.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eRS-EL56\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eYokogawa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eJapan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard industrial module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003eIndustrial standard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafety Certification\u003c\/td\u003e\n\u003ctd\u003eSIL3 (IEC 61508, ANSI\/ISA 84)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSampling Rate\u003c\/td\u003e\n\u003ctd\u003e1 Hz to 100 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e+\/- 0.01 % FS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eSafety Integrity \u0026amp; Galvanic Isolation\u003c\/h3\u003e\n\u003cp\u003eThe RS-EL56 is engineered to meet strict SIL3 certification requirements, ensuring fail-safe state execution during process upsets. To maintain the integrity of safety loops, the module features robust galvanic isolation between input channels and the backplane bus, preventing ground loops and common-mode noise from triggering spurious trips. The TMR (Triple Modular Redundancy) 2oo3 architecture is leveraged within the ProSafe-RS environment to ensure that hardware failures do not compromise the safety function. Furthermore, the relay output variant is designed for low-to-medium power switching, with integrated contact monitoring to detect welded or open-circuit states, fulfilling the diagnostic coverage mandated by IEC 61508.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can the RS-EL56 be used in safety-critical applications requiring SIL3 compliance?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the RS-EL56 is certified for SIL3 applications under IEC 61508 and ANSI\/ISA 84, provided it is configured and installed according to the specific safety manual for the ProSafe-RS platform.\u003c\/p\u003e\n\u003cp\u003eQ: What is the primary difference between the relay output and communication I\/O configurations?\u003c\/p\u003e\n\u003cp\u003eA: The relay version is dedicated to high-reliability physical switching of field devices (24 V DC), whereas the I\/O version is optimized for high-speed signal acquisition (analog\/digital\/pulse) and data transmission within the DCS network.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Ensure the module is firmly seated on the safety bus backplate. Verify that all locking levers are fully engaged to maintain electrical contact and structural stability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring:\u003c\/strong\u003e Utilize shielded twisted-pair cabling for all signal inputs. Keep wiring paths away from high-power EMI sources to maintain the stated 0.01 % FS accuracy.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrounding:\u003c\/strong\u003e Connect the module’s chassis ground to the cabinet common ground bus using a low-impedance connection. This is necessary to maintain galvanic isolation and surge protection efficacy.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommissioning:\u003c\/strong\u003e Perform a loop check for every channel before finalizing safety logic activation. Validate that relay contact feedback matches the programmed logic state in the safety controller.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":49177138168060,"sku":"RS-EL56","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/PS13B.jpg?v=1780971137","url":"https:\/\/www.electronicplc.com\/ar\/products\/rs-el56-yokogawa-safety-module-new-original-stock","provider":"Electronic PLC","version":"1.0","type":"link"}