{"product_id":"schneider-electric-twdxcaiso-twido-rs485-tap-isolation-box","title":"Schneider Electric TWDXCAISO Twido RS485 Tap Isolation Box","description":"\u003cp\u003eConfigured for RS485 serial link isolation and line termination in Twido controller networks, the Schneider Electric TWDXCAISO (TWDXCAISO tap isolation box) provides electrical connection through two RJ45 connectors and one screw terminal block. It operates from an external 24 VDC supply and supports pre-polarized RS485 lines, line isolation, and line-end adaptation.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure\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\u003eTWDXCAISO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eSchneider Electric\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Range\u003c\/td\u003e\n\u003ctd\u003eTwido\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eRS485 Tap Isolation Box\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eIndonesia (ID)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.1 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e66 x 65 x 120 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Supply Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Type\u003c\/td\u003e\n\u003ctd\u003eExternal DC supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectrical Connections\u003c\/td\u003e\n\u003ctd\u003e1 screw terminal block, 2 RJ45 connectors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSerial Link\u003c\/td\u003e\n\u003ctd\u003eRS485\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported Applications\u003c\/td\u003e\n\u003ctd\u003ePre-polarized lines (2 x 620 Ohm), RS485 line isolation, line-end adapter (RC 120 Ohm, 1 nF)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003e35 mm symmetrical DIN rail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Controllers\u003c\/td\u003e\n\u003ctd\u003eTwido programmable controllers, Modicon M238 logic controllers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccessory Category\u003c\/td\u003e\n\u003ctd\u003eConnection accessories\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGTIN\u003c\/td\u003e\n\u003ctd\u003e3595863895360\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eRS485 Line Isolation and Termination\u003c\/h3\u003e\n\u003cp\u003eThe TWDXCAISO provides a connection point for RS485 serial link wiring and supports electrical isolation of the serial line. Its specified applications include pre-polarized lines using two 620 Ohm resistors and line-end adaptation using an RC network rated at 120 Ohm and 1 nF.\u003c\/p\u003e\n\u003cp\u003eThe external 24 VDC supply powers the isolation box. Two RJ45 connectors and one screw terminal block provide the specified electrical connection interfaces. The component is intended for Twido serial communication accessories and is also listed as compatible with Modicon M238 logic controllers.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cp\u003eQ: Which communication interface does the TWDXCAISO support?\u003c\/p\u003e\n\u003cp\u003eA: It is designed for RS485 serial links and provides two RJ45 connectors and one screw terminal block.\u003c\/p\u003e\n\u003cp\u003eQ: What external supply voltage does the isolation box require?\u003c\/p\u003e\n\u003cp\u003eA: The specified rated supply voltage is 24 VDC. The product uses an external DC supply.\u003c\/p\u003e\n\u003cp\u003eQ: Which RS485 termination arrangements are supported?\u003c\/p\u003e\n\u003cp\u003eA: The listed applications include pre-polarization using two 620 Ohm resistors and line-end adaptation using an RC network of 120 Ohm and 1 nF.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMount the unit on a compatible 35 mm symmetrical DIN rail and secure it according to the installation instructions.\u003c\/li\u003e\n\u003cli\u003eVerify the external supply polarity and confirm that the supply provides 24 VDC before energizing the unit.\u003c\/li\u003e\n\u003cli\u003eConnect the RS485 conductors according to the controller and accessory wiring diagrams. Maintain consistent signal polarity throughout the communication line.\u003c\/li\u003e\n\u003cli\u003eApply line polarization and termination only where required by the network topology. Avoid unintended additional termination points.\u003c\/li\u003e\n\u003cli\u003eRoute RS485 communication wiring separately from high-voltage and high-current conductors where practicable to reduce electromagnetic interference.\u003c\/li\u003e\n\u003cli\u003eFollow the manufacturer's instructions for cable shielding and shield grounding. Avoid creating unintended ground loops.\u003c\/li\u003e\n\u003cli\u003eConfirm the controller compatibility, wiring continuity, and communication operation before returning the system to service.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Schneider","offers":[{"title":"Default Title","offer_id":67738084311282,"sku":"TWDXCAISO","price":15.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0730\/5589\/5794\/files\/TWDXCAISO2.jpg?v=1792043847","url":"https:\/\/www.petrospare.com\/products\/schneider-electric-twdxcaiso-twido-rs485-tap-isolation-box","provider":"Petro Spare Industrial Limited","version":"1.0","type":"link"}