{"product_id":"emerson-epro-mms-6350-dp-digital-overspeed-protection-system","title":"Emerson EPRO MMS 6350\/DP Digital Overspeed Protection System","description":"\u003cp\u003eConfigured for precision turbine speed monitoring and safety-critical protection, the \u003cstrong\u003eEmerson EPRO MMS 6350\/DP\u003c\/strong\u003e (\u003cstrong\u003eMMS 6350\/DP\u003c\/strong\u003e) Digital Overspeed Protection System provides direct physical execution of rotational speed acquisition and safety logic triggers.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMMS 6350\u003c\/strong\u003e: Base platform for digital overspeed protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDP\u003c\/strong\u003e: Integrated PROFIBUS-DP communication interface for system-wide data integration.\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\u003eMMS 6350\/DP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eEmerson EPRO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.2 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e3.1 cm x 19 cm x 12.9 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-40 deg C to +70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e+\/- 0.1 %\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e0.1 rpm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eHigh-Reliability Safety Control and SIS Characteristics\u003c\/h3\u003e\n\u003cp\u003eThe MMS 6350\/DP is certified to SIL3 standards per DIN EN 61508, ensuring high-integrity operation in safety-critical applications. The system employs fail-safe state execution to detect rotational velocity anomalies and initiate protection sequences. While it integrates PROFIBUS-DP for data transmission, the internal monitoring circuitry maintains galvanic isolation between the sensor input stage and the fieldbus communication path, protecting the system from electromagnetic transients. The architecture is designed to maintain functional safety in demanding environments, providing precise inputs for logic solvers that require validated speed data for turbine trip operations.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can the MMS 6350\/DP pulse outputs be used for direct actuator control?\u003c\/p\u003e\n\u003cp\u003eA: The pulse outputs are limited to 48 VDC and 25 mA. They are designed for signal transmission to secondary logic devices; high-current loads must be driven through an intermediary interposing relay to prevent damage to the output stage.\u003c\/p\u003e\n\u003cp\u003eQ: How does the system handle communication loss on the PROFIBUS-DP interface?\u003c\/p\u003e\n\u003cp\u003eA: The system is designed for fail-safe state execution. Loss of communication with the master controller does not affect the local overspeed monitoring and protection logic, which remains operational based on the locally processed pulse frequency inputs.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eEnsure the module is securely mounted in the designated rack, maintaining clearance for cooling and access to the PROFIBUS-DP port.\u003c\/li\u003e\n\u003cli\u003eRoute the sensor input cabling away from high-voltage AC lines to prevent induced interference on the high-impedance (100 kOhm) input terminals.\u003c\/li\u003e\n\u003cli\u003eVerify that the cable shield for the PROFIBUS-DP segment is properly terminated at the system ground to maintain electrical isolation and signal integrity.\u003c\/li\u003e\n\u003cli\u003eSet the PROFIBUS station address correctly before power-up to ensure seamless integration with the host control network.\u003c\/li\u003e\n\u003cli\u003ePerform a functional check by simulating frequency pulses at the input terminals and verifying that the TTL and pulse outputs respond according to the defined trip setpoints.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"EMERSON","offers":[{"title":"Default Title","offer_id":53035808129333,"sku":"MMS 6350\/DP","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/MMS6350_357274b8-6fe5-4225-a9ae-aa38b1354029.png?v=1782370380","url":"https:\/\/www.5gplc.com\/products\/emerson-epro-mms-6350-dp-digital-overspeed-protection-system","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}