{"product_id":"signal-distributor-yokogawa-vja1-027-aaa0","title":"Signal Distributor YOKOGAWA VJA1-027-AAA0","description":"\u003cp\u003eConfigured for precision signal conditioning in control systems, the \u003cstrong\u003eYOKOGAWA VJA1-027-AAA0\u003c\/strong\u003e (\u003cstrong\u003eVJA1-027-AAA0\u003c\/strong\u003e Signal Distributor) provides direct galvanic isolation and distribution of 4-20 mA DC input signals from two-wire transmitters into dual independent outputs.\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\u003eVJA1-027-AAA0\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\u003e0.4kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eCompact plug-in form factor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-5 to 55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e15-30 VDC or 100-240 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Signal\u003c\/td\u003e\n\u003ctd\u003e4-20 mA DC (two-wire)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Signal\u003c\/td\u003e\n\u003ctd\u003eDual isolated 4-20 mA DC or voltage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003eInput, output, and power supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control Signal Conditioning\u003c\/h3\u003e\n\u003cp\u003eThe VJA1-027-AAA0 employs sophisticated signal distribution architecture to maintain accuracy across multi-drop instrumentation loops. The device features multi-point galvanic isolation, which is critical for preventing ground loops in process control environments. By providing two isolated outputs, it enables a single field transmitter to supply data simultaneously to a primary DCS controller and a secondary monitoring or recording device without degradation of the 4-20 mA HART loop protocol signal integrity.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can this distributor be used with self-powered (four-wire) transmitters?\u003c\/p\u003e\n\u003cp\u003eA: The VJA1-027-AAA0 is specifically designed for two-wire transmitters where the module provides the necessary loop excitation power. Using it with four-wire transmitters may require modification of the loop wiring to avoid voltage contention.\u003c\/p\u003e\n\u003cp\u003eQ: Is the output range field-configurable?\u003c\/p\u003e\n\u003cp\u003eA: The module is factory-calibrated based on the model suffix. While it supports both current and voltage outputs, internal adjustments or jumpers may be required depending on the specific output scaling specified at time of manufacture.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEnsure the plug-in base is mounted on a standard DIN-rail or dedicated backplane to provide mechanical stability and thermal dissipation.\u003c\/li\u003e\n\u003cli\u003eUse shielded, twisted-pair cabling for all input and output signal runs to minimize electromagnetic interference (EMI) and cross-talk.\u003c\/li\u003e\n\u003cli\u003eVerify the power supply voltage (15-30 VDC or 100-240 VAC) matches the module rating before applying power to prevent internal circuit damage.\u003c\/li\u003e\n\u003cli\u003eCheck that total load resistance on the output loops remains within the specified limits to maintain linear signal output.\u003c\/li\u003e\n\u003cli\u003eConfirm that the input loop is correctly wired for a two-wire transmitter, ensuring the VJA1 provides the required DC loop bias.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":49262189871356,"sku":"VJA1-027-AAA0","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/VJA1-027-AAA0.jpg?v=1783562205","url":"https:\/\/www.electronicplc.com\/ar\/products\/signal-distributor-yokogawa-vja1-027-aaa0","provider":"Electronic PLC","version":"1.0","type":"link"}