{"product_id":"yokogawa-st3-d-multi-status-input-card","title":"Yokogawa ST3*D Multi-Status Input Card","description":"\u003cp\u003eThe \u003cstrong\u003eYokogawa ST3*D\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eST3*D\u003c\/strong\u003e Multi-Status Input Card, operates as a dedicated hardware component for discrete signal processing and protocol conversion within Yokogawa industrial control networks. The card receives 24 VDC On-Off digital inputs from field sensors and switches, executing signal translation to 0-24 VDC at 1 A outputs while transmitting status data across PROFIBUS-DP, DeviceNet, and Modbus networks.\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\u003eST3*D\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\u003e0.5 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e100 mm x 100 mm x 50 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 to 70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eSystem backplane powered\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eMulti-Status Input Card\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage\u003c\/td\u003e\n\u003ctd\u003e0-24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current\u003c\/td\u003e\n\u003ctd\u003e1 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Protocols\u003c\/td\u003e\n\u003ctd\u003ePROFIBUS-DP, DeviceNet, Modbus\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 and Bus Protocols\u003c\/h3\u003e\n\u003cp\u003eThe ST3*A\/D architecture relies on channel-to-channel isolation barriers to separate high-density field contact wiring from main controller processing logic. By isolating individual input circuits, the hardware prevents ground loop noise and common-mode transients from disrupting field bus communication links. Built-in protocol execution controllers convert local discrete state changes into deterministic industrial network frames, supporting multi-drop integration across PROFIBUS-DP, DeviceNet, and Modbus trunk lines without requiring external gateway interfaces.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the ST3*D preserve communication stability when field contacts experience high electrical noise?\u003c\/p\u003e\n\u003cp\u003eA: Channel-to-channel isolation prevents transient voltage spikes and ground potential differences from bridging onto the digital communication backplane, suppressing signal cross-talk during bus transmissions.\u003c\/p\u003e\n\u003cp\u003eQ: Can the ST3*D drive external discrete loads directly from its output stage?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the module provides an output rating of 0-24 VDC at up to 1 A per configured channel to drive field relays, indicators, or low-power actuators directly.\u003c\/p\u003e\n\u003cp\u003eQ: What communication interfaces are natively supported by the card firmware?\u003c\/p\u003e\n\u003cp\u003eA: The ST3*D hardware supports PROFIBUS-DP, DeviceNet, and Modbus serial communication protocols for integration into main control network architectures.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eESD Protection:\u003c\/strong\u003e Handle the module using a grounded wrist strap to prevent static discharge from damaging onboard communication interface circuits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental Operating Limits:\u003c\/strong\u003e Mount the card in a protective panel enclosure maintaining an ambient temperature between -20 and 70 deg C with non-condensing atmospheric conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable Routing and Shielding:\u003c\/strong\u003e Run 24 VDC discrete wiring and industrial bus communication cables in separate wireways away from high-voltage motor supply lines to reduce inductive coupling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrounding Connection:\u003c\/strong\u003e Ensure cabinet chassis ground straps are firmly bonded to a single-point low-impedance earth ground bar to maintain shield continuity.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":53305336430901,"sku":"ST3*D","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/ST3D.png?v=1786937187","url":"https:\/\/www.5gplc.com\/products\/yokogawa-st3-d-multi-status-input-card","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}