{"product_id":"yokogawa-pwb51549b-dcs-panel-tft-lcd-display-board-module","title":"Yokogawa PWB51549B DCS Panel TFT LCD Display Board Module","description":"\u003ch2\u003eYokogawa PWB51549B TFT LCD Display Board\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYokogawa PWB51549B\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003ePWB51549B\u003c\/strong\u003e TFT LCD Display Board, operates as a dedicated hardware component for converting CPU digital graphic outputs into LVDS signal driving data within Yokogawa CENTUM DCS operator interface platforms. Mounted directly within human-machine interface (HMI) chassis or station panels, the assembly routes power and video bus signals to render real-time process diagrams, alarm vectors, and diagnostic telemetry. It accepts a nominal 24 VDC feed, generating driver logic and LED backlight voltages required for industrial visualization.\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\u003ePWB51549B\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 \/ China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.3 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e150 x 120 x 20 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-10 deg C to +60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temp\u003c\/td\u003e\n\u003ctd\u003e-20 deg C to +80 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e10-90 % RH (non-condensing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e~7 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC nominal (19-30 VDC operating range)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplay Technology\u003c\/td\u003e\n\u003ctd\u003eTFT LCD with LED Backlight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e800 x 480 pixels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor Depth\u003c\/td\u003e\n\u003ctd\u003e24-bit true color\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eViewing Angle\u003c\/td\u003e\n\u003ctd\u003e160 deg horizontal \/ 140 deg vertical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLuminance\u003c\/td\u003e\n\u003ctd\u003e400 cd\/m2 typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRefresh Rate\u003c\/td\u003e\n\u003ctd\u003e60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Interface\u003c\/td\u003e\n\u003ctd\u003eLVDS \/ Digital signal interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompliance\u003c\/td\u003e\n\u003ctd\u003eCE, RoHS, IEC standards\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eDCS Graphic Bus Interface and Signal Integrity\u003c\/h3\u003e\n\u003cp\u003eThe Yokogawa PWB51549B uses dedicated LVDS pathways to minimize high-frequency electromagnetic interference across panel enclosures. Yokogawa DCS display controllers distribute process telemetry through differential signaling lines, maintaining stable video refresh rates at 60 Hz without data loss. Internal noise filters guard pixel timing clocks against industrial power surges and switching transients typical of control room backplanes. Furthermore, integrated channel-to-channel power isolation prevents ground potential shifts between the internal 24 VDC bus and external display logic.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What input power characteristics does the PWB51549B require for stable backlight illumination?\u003c\/p\u003e\n\u003cp\u003eA: The board requires a 24 VDC nominal power source with an allowable operational tolerance between 19 VDC and 30 VDC. Voltage drops below 19 VDC cause backlight flickering or display shutdown, whereas sustained overvoltage exceeding 30 VDC trips internal protective fuses.\u003c\/p\u003e\n\u003cp\u003eQ: Can the PWB51549B display board be hot-swapped while the DCS operator panel is energized?\u003c\/p\u003e\n\u003cp\u003eA: No, hot-swapping the board under power is strictly prohibited. You must remove the main 24 VDC supply feed to the display housing prior to disconnecting or reconnecting the LVDS ribbon cable to prevent latch-up or silicon damage on the driver ICs.\u003c\/p\u003e\n\u003cp\u003eQ: How does the module handle signal noise in high-vibration control panel installations?\u003c\/p\u003e\n\u003cp\u003eA: The PWB51549B relies on differential LVDS logic signals and low-impedance ground planes. Differential signaling cancels common-mode noise generated by adjacent industrial wiring, maintaining display clarity and preventing frame buffer corruption.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eFirst, turn off all main power sources supplying the target operator console before starting physical installation. Discharge any static buildup by attaching a grounded ESD wrist strap to a verified metal chassis ground point.\u003c\/p\u003e\n\u003cp\u003eNext, mount the PWB51549B into the display bracket using standard M3 retaining screws. Torque all mounting fasteners evenly to 0.5 Nm to avoid mechanical stress on the printed circuit board substrate.\u003c\/p\u003e\n\u003cp\u003eThen, route the LVDS ribbon cable away from high-voltage AC power lines and relay switching wires. Keep cable bend radii above 25 mm to prevent conductor fatigue. Ensure the locking tabs on the connector fully engage to prevent accidental disconnection caused by continuous machine vibration.\u003c\/p\u003e\n\u003cp\u003eFinally, connect the 24 VDC power supply harness, verifying correct polarity at the terminal block. Reapply power to the panel and observe the onboard status LEDs to verify proper boot sequence and logic synchronization before locking the enclosure door.\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43782818299994,"sku":"PWB51549B","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/709..jpg?v=1785815969","url":"https:\/\/www.spareoil.com\/ar\/products\/yokogawa-pwb51549b-dcs-panel-tft-lcd-display-board-module","provider":"SpareOil Automation","version":"1.0","type":"link"}