{"product_id":"bently-nevada-125710-01-3500-series-4-channel-relay-i-o-module","title":"Bently Nevada 125710-01 3500 Series 4-Channel Relay I\/O Module","description":"\u003ch2\u003eBently Nevada 125710-01 3500 Series 4-Channel Relay I\/O Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eBently Nevada 125710-01\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e125710-01\u003c\/strong\u003e 4-Channel Relay I\/O Module, operates as a dedicated hardware component for relay signal execution within the Bently Nevada 3500 Series Machinery Protection System. The module receives alarm logic signals from monitoring modules and controls external relay contact circuits.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\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\u003e125710-01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eBently Nevada\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003e4-Channel Relay Input\/Output Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Compatibility\u003c\/td\u003e\n\u003ctd\u003eBently Nevada 3500 Series Machinery Protection System\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFunction\u003c\/td\u003e\n\u003ctd\u003eRelay output interface for alarm and shutdown signal execution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Count\u003c\/td\u003e\n\u003ctd\u003e4 independent relay channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelay Type\u003c\/td\u003e\n\u003ctd\u003eElectromechanical SPDT (Form C) relay contacts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContact Rating\u003c\/td\u003e\n\u003ctd\u003e2 A at 30 VDC or 250 VAC resistive load\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e+24 VDC via 3500 rack backplane\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eApprox. 0.45 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e241 mm x 24.4 mm x 99.1 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-30 deg C to +65 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temp\u003c\/td\u003e\n\u003ctd\u003e-40 deg C to +85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity\u003c\/td\u003e\n\u003ctd\u003eUp to 95% RH, non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eApprox. 2.8 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRack Position\u003c\/td\u003e\n\u003ctd\u003eAny slot to the right of the Main Interface Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eRotor Protection Relay Logic Interface\u003c\/h3\u003e\n\u003cp\u003eThe Bently Nevada 125710-01 module processes relay commands generated by 3500 monitoring modules and transfers these commands to external control circuits. In addition, the module supports programmable AND\/OR voting logic to define relay activation conditions.\u003c\/p\u003e\n\u003cp\u003eThe module operates with the 3500 system architecture where vibration, position, speed, and other machinery parameters are evaluated before relay outputs change state. Therefore, the relay contacts normally connect to PLC inputs, shutdown logic circuits, annunciators, or interlock systems rather than directly switching high-power loads.\u003c\/p\u003e\n\u003cp\u003eFor machinery monitoring applications, the 3500 platform validates sensor signals through functions such as eddy-current probe scaling and gap voltage measurement. The relay interface then executes the configured protection response after the monitoring logic confirms an alarm condition.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can the 125710-01 relay contacts directly control high-power motors or actuators?\u003cbr\u003eA: No. The onboard relay contacts are pilot contacts designed for signaling circuits, PLC inputs, interlocks, or external relay interfaces. External switching devices should control higher current loads.\u003c\/p\u003e\n\u003cp\u003eQ: Does the 125710-01 support hot replacement in a powered 3500 rack?\u003cbr\u003eA: The module supports replacement in a powered rack when the correct system maintenance procedures and bypass conditions are applied. The connected protection logic must be evaluated before removal.\u003c\/p\u003e\n\u003cp\u003eQ: How does the module receive relay activation commands?\u003cbr\u003eA: The module receives relay control commands from the 3500 system backplane after monitoring modules process configured alarm conditions and logic states.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eInstall the Bently Nevada 125710-01 module only in compatible 3500 rack positions located to the right of the Main Interface Module.\u003c\/p\u003e\n\u003cp\u003eUse proper cabinet grounding practices and maintain separation between relay wiring and high-voltage power conductors. Connect shielded signal cables according to the system grounding design to reduce electrical interference.\u003c\/p\u003e\n\u003cp\u003eVerify relay contact ratings before connecting external circuits. Use external interposing relays or contactors when the controlled device exceeds the module contact capability.\u003c\/p\u003e\n\u003cp\u003eConfirm the 3500 rack configuration, module addressing, and relay logic settings before placing the machinery protection system into operation.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":44387537813592,"sku":"125710-01","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/125710-01.jpg?v=1784186781","url":"https:\/\/www.industriaxplc.com\/products\/bently-nevada-125710-01-3500-series-4-channel-relay-i-o-module","provider":"IndustriaX Limited","version":"1.0","type":"link"}