{"product_id":"scp-111-s-sigmatek-s-dias-safety-cpu-module-scp-111-s-controller","title":"SCP 111-S Sigmatek S-DIAS Safety CPU Module SCP 111-S Controller","description":"\u003ch3\u003e\u003cb\u003eEngineering Overview: \u003cspan style=\"color: #0056b3;\"\u003eSCP 111-S\u003c\/span\u003e S-DIAS Safety CPU Module\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003eSCP 111-S\u003c\/span\u003e\u003c\/b\u003e (Art: \u003cb\u003e20-890-111-S-E\u003c\/b\u003e) is a high-integrity safety processing unit engineered by \u003cb\u003eSigmatek\u003c\/b\u003e within the modular \u003cb\u003eS-DIAS\u003c\/b\u003e automation framework. Designed for functional safety applications, this controller executes deterministic safety logic, manages safety-related peripheral communication, and coordinates emergency stop chains across automated production lines. It delivers elite SIL3 and PL e safety classifications to protect high-hazard industrial machinery.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eTechnical Specifications \u0026amp; Safety Integrity Metrics\u003c\/b\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cb\u003eParameter Category\u003c\/b\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cb\u003eEngineering Specification\u003c\/b\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eBrand \u0026amp; System Platform\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cb\u003eSigmatek\u003c\/b\u003e — \u003cb\u003eS-DIAS\u003c\/b\u003e Modular Safety Platform\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eModel \u0026amp; Article Number\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003eSCP 111-S\u003c\/span\u003e\u003c\/b\u003e | Article No.: \u003cb\u003e20-890-111-S-E\u003c\/b\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eFunctional Safety Ratings\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cb\u003eSIL3\u003c\/b\u003e (EN IEC 62061) | \u003cb\u003ePL e \/ Cat. 4\u003c\/b\u003e (EN ISO 13849-1)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eProcessing Core \u0026amp; Memory\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eARM Cortex-M microcontroller with 24 KB SRAM and 224 KB Flash memory\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eSystem Bus Expansion\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eSupports up to \u003cb\u003e16 safety I\/O modules\u003c\/b\u003e and dedicated safety hand terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eNominal Supply Voltage\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e+18 V to +30 V DC (optimized for standard +24 V DC industrial rails)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eReliability Metrics (MTTFd \/ PFH)\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cb\u003ePFH = 2.00E-9\/h\u003c\/b\u003e | \u003cb\u003eSFF = 99%\u003c\/b\u003e | \u003cb\u003eMTTFd = 1099 Years\u003c\/b\u003e | \u003cb\u003eDC = 99%\u003c\/b\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003ePhysical Dimensions \u0026amp; IP Rating\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cb\u003e25 × 104 × 72 mm\u003c\/b\u003e compact rail-mount housing, \u003cb\u003eIP20\u003c\/b\u003e ingress protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cb\u003ePower Distribution \u0026amp; Looping Guidelines\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eInternal Terminal Bridging:\u003c\/b\u003e The +24 V supply terminals (X3: Pin 1 and Pin 2) and GND terminals (X3: Pin 3 and Pin 4) are internally bridged.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSingle Supply Requirement:\u003c\/b\u003e Powering the module requires only one connection to a +24 V pin and one GND pin.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eForward Power Looping:\u003c\/b\u003e Bridge connections may distribute power to adjacent modules, provided the total forward loop current does not exceed \u003cb\u003e6 A per connection\u003c\/b\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003eEnvironmental Operating Envelope \u0026amp; Thermal Derating\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eStorage Temperature Range:\u003c\/b\u003e -20 °C to +85 °C dry environment storage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eEnvironmental Operating Range:\u003c\/b\u003e 0 °C to +60 °C active cabinet ambient temperature.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRelative Humidity Tolerance:\u003c\/b\u003e 0% to 95% non-condensing relative humidity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAltitude Derating Thresholds:\u003c\/b\u003e Full performance up to 2,000 meters above sea level; above 2,000 m up to 5,000 m, derate maximum temperature by \u003cb\u003e0.5 °C per 100 meters\u003c\/b\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePollution Degree \u0026amp; Acoustics:\u003c\/b\u003e Pollution degree 2 operating conditions with acoustic noise emission restricted to \u003cb\u003e≤ 70 dB\u003c\/b\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003eElectromagnetic Compatibility \u0026amp; Immunity Standards\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eIndustrial Immunity:\u003c\/b\u003e Complies with \u003cb\u003eEN 61000-6-2\u003c\/b\u003e for harsh industrial electromagnetic environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFunctional Safety Immunity:\u003c\/b\u003e Certified to \u003cb\u003eEN 61000-6-7\u003c\/b\u003e, fulfilling heightened noise immunity prerequisites mandated by EN IEC 62061.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eEmission Compliance:\u003c\/b\u003e Conforms to \u003cb\u003eEN 61000-6-4\u003c\/b\u003e industrial electromagnetic emission standards.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003eSystem Commissioning \u0026amp; Diagnostic Practices\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eBus Topology Verification:\u003c\/b\u003e Ensure all S-DIAS backplane connectors lock securely before applying main 24V power.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDiagnostic LED Monitoring:\u003c\/b\u003e Observe status LEDs to verify safe-state handshaking and bus communication synchronization.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFirmware Validation:\u003c\/b\u003e Match safety project checksums in the engineering software prior to machine sign-off.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003eFrequently Asked Questions (FAQ)\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003eQ1: Can I exceed the 6 A forward looping limit if I split the load across multiple external terminal blocks?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eA1: No, the 6 A threshold is an internal bus bar limitation of the X3 connector pins; splitting external wires does not increase the internal copper current capacity.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eQ2: How does the S-DIAS backplane handle communication failure between the \u003cspan style=\"color: #0056b3;\"\u003eSCP 111-S\u003c\/span\u003e and attached safety slices?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eA2: The CPU instantly forces all connected safety outputs into a safe, de-energized state within milliseconds upon detecting packet loss.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eQ3: What specific precautions are necessary when operating this CPU above 3,000 meters elevation?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eA3: You must apply thermal derating by reducing the maximum allowable ambient operating temperature by 5 °C (0.5 °C per 100 m above 2,000 m).\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eQ4: Is it permissible to hot-swap safety I\/O modules while the \u003cspan style=\"color: #0056b3;\"\u003eSCP 111-S\u003c\/span\u003e is powered on?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eA4: Hot-swapping safety modules is strictly prohibited; power must be completely isolated to prevent corruption of safety CRC checksums.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eQ5: What diagnostic steps should technicians take if an internal fault LED latches during startup?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eA5: Check the error log via the engineering software to verify safe configuration matching, supply voltage stability, and ground loop integrity.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/SCP111-S.png?v=1794467259\" alt=\"\"\u003e\u003c\/p\u003e","brand":"Sigmatek","offers":[{"title":"Default Title","offer_id":68048760340662,"sku":"SCP111-S","price":185.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/SCP111-S-1.jpg?v=1794467259","url":"https:\/\/www.plcsparehub.com\/products\/scp-111-s-sigmatek-s-dias-safety-cpu-module-scp-111-s-controller","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}