{"product_id":"emerson-1c31234g01-ovation-16-channel-digital-input-card","title":"Emerson 1C31234G01 Ovation 16-Channel Digital Input Card","description":"\u003ch2\u003eEmerson 1C31234G01 Ovation Contact Input Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for high-speed discrete monitoring in Ovation DCS networks, the \u003cstrong\u003eEmerson 1C31234G01\u003c\/strong\u003e (\u003cstrong\u003e1C31234G01\u003c\/strong\u003e Digital\/Contact Input Electronics Module) provides direct physical\/electrical execution across 16 optically isolated input channels. The unit senses voltage-free dry contact transitions from field limit switches, pushbuttons, and auxiliary relays while utilizing onboard contact wetting logic.\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\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\u003e1C31234G01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eEmerson\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\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.8 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard Ovation EMOD dimensions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 deg C to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eStandard backplane power load\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Component Type\u003c\/td\u003e\n\u003ctd\u003eDigital\/Contact Input Electronics Module (EMOD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e16 optically isolated channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Processing\u003c\/td\u003e\n\u003ctd\u003eCompact contact input with onboard wetting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContact Wetting Voltage\u003c\/td\u003e\n\u003ctd\u003e42-55 VDC auxiliary loop power\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Isolation\u003c\/td\u003e\n\u003ctd\u003e1000 VAC\/VDC channel-to-logic barrier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePropagation Delay\u003c\/td\u003e\n\u003ctd\u003e7 ms maximum state propagation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContact Bounce Suppression\u003c\/td\u003e\n\u003ctd\u003e7 ms hardware stabilization window\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eChannel-to-Channel Isolation \u0026amp; Channel Processing\u003c\/h3\u003e\n\u003cp\u003eOptical isolation circuitry provides up to 1000 VAC\/VDC dielectric protection between field wiring terminals and backplane system logic. The module delivers onboard contact wetting power rated at 42-55 VDC (nominal 48 VDC) to sense dry contact field switches without requiring separate loop power supplies. Built-in contact bounce suppression filtering enforces a mandatory 7 ms stabilization threshold prior to latching state transitions, suppressing noise spikes and contact chatter before updating process control memory.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What power source energizes field contact circuits connected to the 1C31234G01?\u003c\/p\u003e\n\u003cp\u003eA: An integrated auxiliary power distribution rail supplies 42-55 VDC (nominal 48 VDC) wetting voltage directly across field contacts, eliminating external loop power wiring.\u003c\/p\u003e\n\u003cp\u003eQ: How does the module handle high-frequency mechanical switch chatter?\u003c\/p\u003e\n\u003cp\u003eA: Internal contact debouncing filtering imposes a 7 ms stabilization delay, verifying state transitions before sending valid digital logic states across the system backplane bus.\u003c\/p\u003e\n\u003cp\u003eQ: What isolation rating separates field input lines from logic processing circuits?\u003c\/p\u003e\n\u003cp\u003eA: Optical isolation networks provide 1000 VAC\/VDC isolation to protect central controller components against common-mode field voltage transients and ground potential shifts.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eFollow these sequential physical installation steps when setting up the module:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eDisconnect main enclosure power rails and isolate field auxiliary power distribution blocks.\u003c\/li\u003e\n\u003cli\u003eAlign the 1C31234G01 electronics card with the dedicated Ovation I\/O base guide tracks.\u003c\/li\u003e\n\u003cli\u003eSlide the card into the slot until mechanical connectors engage the backplane interface cleanly.\u003c\/li\u003e\n\u003cli\u003eFasten field wiring conductors to the terminal block, terminating cable shields to the cabinet ground bus bar at a single ground point.\u003c\/li\u003e\n\u003cli\u003eApply field auxiliary wetting voltage (42-55 VDC) and verify system logic backplane power rails.\u003c\/li\u003e\n\u003cli\u003eObserve status LED indicators on the front panel to confirm normal channel scanning and real-time switch state updates.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"OVATION","offers":[{"title":"Default Title","offer_id":51216162521400,"sku":"1C31234G01","price":190.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0893\/1616\/3896\/files\/1C31234G012.jpg?v=1759977359","url":"https:\/\/www.automodulexpert.com\/products\/emerson-1c31234g01-ovation-16-channel-digital-input-card","provider":"AutoModuleXpert Ltd.","version":"1.0","type":"link"}